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clang-p2996/llvm/test/Transforms/LoopVectorize/optsize.ll
Florian Hahn 5fbd0658a0 [VPlan] Add initial CFG simplification, removing BranchOnCond true. (#106748) 
Add an initial CFG simplification transform, which removes the dead
edges for blocks terminated with BranchOnCond true.

At the moment, this removes the edge between middle block and scalar
preheader when folding the tail.

PR: https://github.com/llvm/llvm-project/pull/106748
2025-04-04 15:44:26 +01:00

1148 lines
59 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; This test verifies that the loop vectorizer will NOT produce a tail
; loop with the optimize for size or the minimize size attributes.
; REQUIRES: asserts
; RUN: opt < %s -passes='require<profile-summary>,loop-vectorize' -S | FileCheck %s
; RUN: opt < %s -passes='require<profile-summary>,loop-vectorize' -pgso -S | FileCheck %s -check-prefix=PGSO
; RUN: opt < %s -passes='require<profile-summary>,loop-vectorize' -pgso=false -S | FileCheck %s -check-prefix=NPGSO
target datalayout = "E-m:e-p:32:32-i64:32-f64:32:64-a:0:32-n32-S128"
@tab = common global [32 x i8] zeroinitializer, align 1
define i32 @foo_optsize() #0 {
; CHECK-LABEL: define i32 @foo_optsize(
; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; CHECK-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; CHECK-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; CHECK-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret i32 0
;
; PGSO-LABEL: define i32 @foo_optsize(
; PGSO-SAME: ) #[[ATTR0:[0-9]+]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; PGSO-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; PGSO-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; PGSO-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; PGSO-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; PGSO-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; PGSO-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; PGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; PGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; PGSO: [[FOR_END]]:
; PGSO-NEXT: ret i32 0
;
; NPGSO-LABEL: define i32 @foo_optsize(
; NPGSO-SAME: ) #[[ATTR0:[0-9]+]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; NPGSO-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; NPGSO-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; NPGSO-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; NPGSO-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; NPGSO-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; NPGSO-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; NPGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; NPGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; NPGSO: [[FOR_END]]:
; NPGSO-NEXT: ret i32 0
;
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 %i.08
%0 = load i8, ptr %arrayidx, align 1
%cmp1 = icmp eq i8 %0, 0
%. = select i1 %cmp1, i8 2, i8 1
store i8 %., ptr %arrayidx, align 1
%inc = add nsw i32 %i.08, 1
%exitcond = icmp eq i32 %i.08, 202
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret i32 0
}
attributes #0 = { optsize }
define i32 @foo_minsize() #1 {
; CHECK-LABEL: define i32 @foo_minsize(
; CHECK-SAME: ) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; CHECK-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; CHECK-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; CHECK-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret i32 0
;
; PGSO-LABEL: define i32 @foo_minsize(
; PGSO-SAME: ) #[[ATTR1:[0-9]+]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; PGSO-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; PGSO-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; PGSO-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; PGSO-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; PGSO-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; PGSO-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; PGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; PGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; PGSO: [[FOR_END]]:
; PGSO-NEXT: ret i32 0
;
; NPGSO-LABEL: define i32 @foo_minsize(
; NPGSO-SAME: ) #[[ATTR1:[0-9]+]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; NPGSO-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; NPGSO-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; NPGSO-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; NPGSO-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; NPGSO-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; NPGSO-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; NPGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; NPGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; NPGSO: [[FOR_END]]:
; NPGSO-NEXT: ret i32 0
;
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 %i.08
%0 = load i8, ptr %arrayidx, align 1
%cmp1 = icmp eq i8 %0, 0
%. = select i1 %cmp1, i8 2, i8 1
store i8 %., ptr %arrayidx, align 1
%inc = add nsw i32 %i.08, 1
%exitcond = icmp eq i32 %i.08, 202
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret i32 0
}
attributes #1 = { minsize }
define i32 @foo_pgso() !prof !14 {
; CHECK-LABEL: define i32 @foo_pgso(
; CHECK-SAME: ) !prof [[PROF14:![0-9]+]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; CHECK-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; CHECK-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; CHECK-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret i32 0
;
; PGSO-LABEL: define i32 @foo_pgso(
; PGSO-SAME: ) !prof [[PROF14:![0-9]+]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[I_08:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; PGSO-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; PGSO-NEXT: [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; PGSO-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP0]], 0
; PGSO-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; PGSO-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; PGSO-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; PGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; PGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; PGSO: [[FOR_END]]:
; PGSO-NEXT: ret i32 0
;
; NPGSO-LABEL: define i32 @foo_pgso(
; NPGSO-SAME: ) !prof [[PROF14:![0-9]+]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; NPGSO: [[VECTOR_PH]]:
; NPGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; NPGSO: [[VECTOR_BODY]]:
; NPGSO-NEXT: [[TMP0:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[TMP1:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[TMP0]]
; NPGSO-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[TMP1]], i32 0
; NPGSO-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, ptr [[TMP2]], align 1
; NPGSO-NEXT: [[TMP3:%.*]] = icmp eq <4 x i8> [[WIDE_LOAD]], zeroinitializer
; NPGSO-NEXT: [[TMP4:%.*]] = select <4 x i1> [[TMP3]], <4 x i8> splat (i8 2), <4 x i8> splat (i8 1)
; NPGSO-NEXT: store <4 x i8> [[TMP4]], ptr [[TMP2]], align 1
; NPGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[TMP0]], 4
; NPGSO-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 200
; NPGSO-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; NPGSO: [[MIDDLE_BLOCK]]:
; NPGSO-NEXT: br i1 false, label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; NPGSO: [[SCALAR_PH]]:
; NPGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 200, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[I_08:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
; NPGSO-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_08]]
; NPGSO-NEXT: [[TMP6:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; NPGSO-NEXT: [[CMP1:%.*]] = icmp eq i8 [[TMP6]], 0
; NPGSO-NEXT: [[DOT:%.*]] = select i1 [[CMP1]], i8 2, i8 1
; NPGSO-NEXT: store i8 [[DOT]], ptr [[ARRAYIDX]], align 1
; NPGSO-NEXT: [[INC]] = add nsw i32 [[I_08]], 1
; NPGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 202
; NPGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
; NPGSO: [[FOR_END]]:
; NPGSO-NEXT: ret i32 0
;
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%arrayidx = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 %i.08
%0 = load i8, ptr %arrayidx, align 1
%cmp1 = icmp eq i8 %0, 0
%. = select i1 %cmp1, i8 2, i8 1
store i8 %., ptr %arrayidx, align 1
%inc = add nsw i32 %i.08, 1
%exitcond = icmp eq i32 %i.08, 202
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret i32 0
}
; PR43371: don't run into an assert due to emitting SCEV runtime checks
; with OptForSize.
;
@cm_array = external global [2592 x i16], align 1
define void @pr43371() optsize {
;
; CHECK-LABEL: define void @pr43371(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i16> [ <i16 0, i16 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = add <2 x i16> undef, [[VEC_IND]]
; CHECK-NEXT: [[TMP1:%.*]] = zext <2 x i16> [[TMP0]] to <2 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP4]]
; CHECK-NEXT: store i16 0, ptr [[TMP3]], align 1
; CHECK-NEXT: store i16 0, ptr [[TMP5]], align 1
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i16> [[VEC_IND]], splat (i16 2)
; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 756
; CHECK-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br i1 true, label %[[FOR_COND_CLEANUP28:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 756, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY29:.*]]
; CHECK: [[FOR_COND_CLEANUP28]]:
; CHECK-NEXT: unreachable
; CHECK: [[FOR_BODY29]]:
; CHECK-NEXT: [[I24_0170:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC37:%.*]], %[[FOR_BODY29]] ]
; CHECK-NEXT: [[ADD33:%.*]] = add i16 undef, [[I24_0170]]
; CHECK-NEXT: [[IDXPROM34:%.*]] = zext i16 [[ADD33]] to i32
; CHECK-NEXT: [[ARRAYIDX35:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[IDXPROM34]]
; CHECK-NEXT: store i16 0, ptr [[ARRAYIDX35]], align 1
; CHECK-NEXT: [[INC37]] = add i16 [[I24_0170]], 1
; CHECK-NEXT: [[CMP26:%.*]] = icmp ult i16 [[INC37]], 756
; CHECK-NEXT: br i1 [[CMP26]], label %[[FOR_BODY29]], label %[[FOR_COND_CLEANUP28]], !llvm.loop [[LOOP18:![0-9]+]]
;
; PGSO-LABEL: define void @pr43371(
; PGSO-SAME: ) #[[ATTR0]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; PGSO: [[VECTOR_PH]]:
; PGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; PGSO: [[VECTOR_BODY]]:
; PGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; PGSO-NEXT: [[VEC_IND:%.*]] = phi <2 x i16> [ <i16 0, i16 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; PGSO-NEXT: [[TMP0:%.*]] = add <2 x i16> undef, [[VEC_IND]]
; PGSO-NEXT: [[TMP1:%.*]] = zext <2 x i16> [[TMP0]] to <2 x i32>
; PGSO-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; PGSO-NEXT: [[TMP3:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP2]]
; PGSO-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; PGSO-NEXT: [[TMP5:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP4]]
; PGSO-NEXT: store i16 0, ptr [[TMP3]], align 1
; PGSO-NEXT: store i16 0, ptr [[TMP5]], align 1
; PGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; PGSO-NEXT: [[VEC_IND_NEXT]] = add <2 x i16> [[VEC_IND]], splat (i16 2)
; PGSO-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 756
; PGSO-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
; PGSO: [[MIDDLE_BLOCK]]:
; PGSO-NEXT: br i1 true, label %[[FOR_COND_CLEANUP28:.*]], label %[[SCALAR_PH]]
; PGSO: [[SCALAR_PH]]:
; PGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 756, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; PGSO-NEXT: br label %[[FOR_BODY29:.*]]
; PGSO: [[FOR_COND_CLEANUP28]]:
; PGSO-NEXT: unreachable
; PGSO: [[FOR_BODY29]]:
; PGSO-NEXT: [[I24_0170:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC37:%.*]], %[[FOR_BODY29]] ]
; PGSO-NEXT: [[ADD33:%.*]] = add i16 undef, [[I24_0170]]
; PGSO-NEXT: [[IDXPROM34:%.*]] = zext i16 [[ADD33]] to i32
; PGSO-NEXT: [[ARRAYIDX35:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[IDXPROM34]]
; PGSO-NEXT: store i16 0, ptr [[ARRAYIDX35]], align 1
; PGSO-NEXT: [[INC37]] = add i16 [[I24_0170]], 1
; PGSO-NEXT: [[CMP26:%.*]] = icmp ult i16 [[INC37]], 756
; PGSO-NEXT: br i1 [[CMP26]], label %[[FOR_BODY29]], label %[[FOR_COND_CLEANUP28]], !llvm.loop [[LOOP18:![0-9]+]]
;
; NPGSO-LABEL: define void @pr43371(
; NPGSO-SAME: ) #[[ATTR0]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; NPGSO: [[VECTOR_PH]]:
; NPGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; NPGSO: [[VECTOR_BODY]]:
; NPGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[VEC_IND:%.*]] = phi <2 x i16> [ <i16 0, i16 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[TMP0:%.*]] = add <2 x i16> undef, [[VEC_IND]]
; NPGSO-NEXT: [[TMP1:%.*]] = zext <2 x i16> [[TMP0]] to <2 x i32>
; NPGSO-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; NPGSO-NEXT: [[TMP3:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP2]]
; NPGSO-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; NPGSO-NEXT: [[TMP5:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP4]]
; NPGSO-NEXT: store i16 0, ptr [[TMP3]], align 1
; NPGSO-NEXT: store i16 0, ptr [[TMP5]], align 1
; NPGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; NPGSO-NEXT: [[VEC_IND_NEXT]] = add <2 x i16> [[VEC_IND]], splat (i16 2)
; NPGSO-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 756
; NPGSO-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; NPGSO: [[MIDDLE_BLOCK]]:
; NPGSO-NEXT: br i1 true, label %[[FOR_COND_CLEANUP28:.*]], label %[[SCALAR_PH]]
; NPGSO: [[SCALAR_PH]]:
; NPGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 756, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; NPGSO-NEXT: br label %[[FOR_BODY29:.*]]
; NPGSO: [[FOR_COND_CLEANUP28]]:
; NPGSO-NEXT: unreachable
; NPGSO: [[FOR_BODY29]]:
; NPGSO-NEXT: [[I24_0170:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC37:%.*]], %[[FOR_BODY29]] ]
; NPGSO-NEXT: [[ADD33:%.*]] = add i16 undef, [[I24_0170]]
; NPGSO-NEXT: [[IDXPROM34:%.*]] = zext i16 [[ADD33]] to i32
; NPGSO-NEXT: [[ARRAYIDX35:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[IDXPROM34]]
; NPGSO-NEXT: store i16 0, ptr [[ARRAYIDX35]], align 1
; NPGSO-NEXT: [[INC37]] = add i16 [[I24_0170]], 1
; NPGSO-NEXT: [[CMP26:%.*]] = icmp ult i16 [[INC37]], 756
; NPGSO-NEXT: br i1 [[CMP26]], label %[[FOR_BODY29]], label %[[FOR_COND_CLEANUP28]], !llvm.loop [[LOOP20:![0-9]+]]
;
; We do not want to generate SCEV predicates when optimising for size, because
; that will lead to extra code generation such as the SCEV overflow runtime
; checks. Not generating SCEV predicates can still result in vectorisation as
; the non-consecutive loads/stores can be scalarized:
entry:
br label %for.body29
for.cond.cleanup28:
unreachable
for.body29:
%i24.0170 = phi i16 [ 0, %entry], [ %inc37, %for.body29]
%add33 = add i16 undef, %i24.0170
%idxprom34 = zext i16 %add33 to i32
%arrayidx35 = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 %idxprom34
store i16 0, ptr %arrayidx35, align 1
%inc37 = add i16 %i24.0170, 1
%cmp26 = icmp ult i16 %inc37, 756
br i1 %cmp26, label %for.body29, label %for.cond.cleanup28
}
define void @pr43371_pgso() !prof !14 {
;
; CHECK-LABEL: define void @pr43371_pgso(
; CHECK-SAME: ) !prof [[PROF14]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i16> [ <i16 0, i16 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = add <2 x i16> undef, [[VEC_IND]]
; CHECK-NEXT: [[TMP1:%.*]] = zext <2 x i16> [[TMP0]] to <2 x i32>
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP4]]
; CHECK-NEXT: store i16 0, ptr [[TMP3]], align 1
; CHECK-NEXT: store i16 0, ptr [[TMP5]], align 1
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i16> [[VEC_IND]], splat (i16 2)
; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 756
; CHECK-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br i1 true, label %[[FOR_COND_CLEANUP28:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 756, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY29:.*]]
; CHECK: [[FOR_COND_CLEANUP28]]:
; CHECK-NEXT: unreachable
; CHECK: [[FOR_BODY29]]:
; CHECK-NEXT: [[I24_0170:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC37:%.*]], %[[FOR_BODY29]] ]
; CHECK-NEXT: [[ADD33:%.*]] = add i16 undef, [[I24_0170]]
; CHECK-NEXT: [[IDXPROM34:%.*]] = zext i16 [[ADD33]] to i32
; CHECK-NEXT: [[ARRAYIDX35:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[IDXPROM34]]
; CHECK-NEXT: store i16 0, ptr [[ARRAYIDX35]], align 1
; CHECK-NEXT: [[INC37]] = add i16 [[I24_0170]], 1
; CHECK-NEXT: [[CMP26:%.*]] = icmp ult i16 [[INC37]], 756
; CHECK-NEXT: br i1 [[CMP26]], label %[[FOR_BODY29]], label %[[FOR_COND_CLEANUP28]], !llvm.loop [[LOOP20:![0-9]+]]
;
; PGSO-LABEL: define void @pr43371_pgso(
; PGSO-SAME: ) !prof [[PROF14]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; PGSO: [[VECTOR_PH]]:
; PGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; PGSO: [[VECTOR_BODY]]:
; PGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; PGSO-NEXT: [[VEC_IND:%.*]] = phi <2 x i16> [ <i16 0, i16 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; PGSO-NEXT: [[TMP0:%.*]] = add <2 x i16> undef, [[VEC_IND]]
; PGSO-NEXT: [[TMP1:%.*]] = zext <2 x i16> [[TMP0]] to <2 x i32>
; PGSO-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; PGSO-NEXT: [[TMP3:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP2]]
; PGSO-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; PGSO-NEXT: [[TMP5:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP4]]
; PGSO-NEXT: store i16 0, ptr [[TMP3]], align 1
; PGSO-NEXT: store i16 0, ptr [[TMP5]], align 1
; PGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; PGSO-NEXT: [[VEC_IND_NEXT]] = add <2 x i16> [[VEC_IND]], splat (i16 2)
; PGSO-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 756
; PGSO-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
; PGSO: [[MIDDLE_BLOCK]]:
; PGSO-NEXT: br i1 true, label %[[FOR_COND_CLEANUP28:.*]], label %[[SCALAR_PH]]
; PGSO: [[SCALAR_PH]]:
; PGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 756, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; PGSO-NEXT: br label %[[FOR_BODY29:.*]]
; PGSO: [[FOR_COND_CLEANUP28]]:
; PGSO-NEXT: unreachable
; PGSO: [[FOR_BODY29]]:
; PGSO-NEXT: [[I24_0170:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC37:%.*]], %[[FOR_BODY29]] ]
; PGSO-NEXT: [[ADD33:%.*]] = add i16 undef, [[I24_0170]]
; PGSO-NEXT: [[IDXPROM34:%.*]] = zext i16 [[ADD33]] to i32
; PGSO-NEXT: [[ARRAYIDX35:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[IDXPROM34]]
; PGSO-NEXT: store i16 0, ptr [[ARRAYIDX35]], align 1
; PGSO-NEXT: [[INC37]] = add i16 [[I24_0170]], 1
; PGSO-NEXT: [[CMP26:%.*]] = icmp ult i16 [[INC37]], 756
; PGSO-NEXT: br i1 [[CMP26]], label %[[FOR_BODY29]], label %[[FOR_COND_CLEANUP28]], !llvm.loop [[LOOP20:![0-9]+]]
;
; NPGSO-LABEL: define void @pr43371_pgso(
; NPGSO-SAME: ) !prof [[PROF14]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
; NPGSO: [[VECTOR_SCEVCHECK]]:
; NPGSO-NEXT: br i1 undef, label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; NPGSO: [[VECTOR_PH]]:
; NPGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; NPGSO: [[VECTOR_BODY]]:
; NPGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16
; NPGSO-NEXT: [[TMP1:%.*]] = add i16 undef, [[OFFSET_IDX]]
; NPGSO-NEXT: [[TMP2:%.*]] = zext i16 [[TMP1]] to i32
; NPGSO-NEXT: [[TMP3:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[TMP2]]
; NPGSO-NEXT: [[TMP4:%.*]] = getelementptr i16, ptr [[TMP3]], i32 0
; NPGSO-NEXT: store <2 x i16> zeroinitializer, ptr [[TMP4]], align 1
; NPGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; NPGSO-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 756
; NPGSO-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; NPGSO: [[MIDDLE_BLOCK]]:
; NPGSO-NEXT: br i1 true, label %[[FOR_COND_CLEANUP28:.*]], label %[[SCALAR_PH]]
; NPGSO: [[SCALAR_PH]]:
; NPGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 756, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; NPGSO-NEXT: br label %[[FOR_BODY29:.*]]
; NPGSO: [[FOR_COND_CLEANUP28]]:
; NPGSO-NEXT: unreachable
; NPGSO: [[FOR_BODY29]]:
; NPGSO-NEXT: [[I24_0170:%.*]] = phi i16 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC37:%.*]], %[[FOR_BODY29]] ]
; NPGSO-NEXT: [[ADD33:%.*]] = add i16 undef, [[I24_0170]]
; NPGSO-NEXT: [[IDXPROM34:%.*]] = zext i16 [[ADD33]] to i32
; NPGSO-NEXT: [[ARRAYIDX35:%.*]] = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 [[IDXPROM34]]
; NPGSO-NEXT: store i16 0, ptr [[ARRAYIDX35]], align 1
; NPGSO-NEXT: [[INC37]] = add i16 [[I24_0170]], 1
; NPGSO-NEXT: [[CMP26:%.*]] = icmp ult i16 [[INC37]], 756
; NPGSO-NEXT: br i1 [[CMP26]], label %[[FOR_BODY29]], label %[[FOR_COND_CLEANUP28]], !llvm.loop [[LOOP22:![0-9]+]]
;
; We do not want to generate SCEV predicates when optimising for size, because
; that will lead to extra code generation such as the SCEV overflow runtime
; checks. Not generating SCEV predicates can still result in vectorisation as
; the non-consecutive loads/stores can be scalarized:
entry:
br label %for.body29
for.cond.cleanup28:
unreachable
for.body29:
%i24.0170 = phi i16 [ 0, %entry], [ %inc37, %for.body29]
%add33 = add i16 undef, %i24.0170
%idxprom34 = zext i16 %add33 to i32
%arrayidx35 = getelementptr [2592 x i16], ptr @cm_array, i32 0, i32 %idxprom34
store i16 0, ptr %arrayidx35, align 1
%inc37 = add i16 %i24.0170, 1
%cmp26 = icmp ult i16 %inc37, 756
br i1 %cmp26, label %for.body29, label %for.cond.cleanup28
}
; PR45526: don't vectorize with fold-tail if first-order-recurrence is live-out.
;
define i32 @pr45526() optsize {
;
; CHECK-LABEL: define i32 @pr45526(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[PIV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[PIVPLUS1:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[FOR:%.*]] = phi i32 [ 5, %[[ENTRY]] ], [ [[PIVPLUS1]], %[[LOOP]] ]
; CHECK-NEXT: [[PIVPLUS1]] = add nuw nsw i32 [[PIV]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp ult i32 [[PIV]], 510
; CHECK-NEXT: br i1 [[COND]], label %[[LOOP]], label %[[EXIT:.*]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[FOR_LCSSA:%.*]] = phi i32 [ [[FOR]], %[[LOOP]] ]
; CHECK-NEXT: ret i32 [[FOR_LCSSA]]
;
; PGSO-LABEL: define i32 @pr45526(
; PGSO-SAME: ) #[[ATTR0]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[LOOP:.*]]
; PGSO: [[LOOP]]:
; PGSO-NEXT: [[PIV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[PIVPLUS1:%.*]], %[[LOOP]] ]
; PGSO-NEXT: [[FOR:%.*]] = phi i32 [ 5, %[[ENTRY]] ], [ [[PIVPLUS1]], %[[LOOP]] ]
; PGSO-NEXT: [[PIVPLUS1]] = add nuw nsw i32 [[PIV]], 1
; PGSO-NEXT: [[COND:%.*]] = icmp ult i32 [[PIV]], 510
; PGSO-NEXT: br i1 [[COND]], label %[[LOOP]], label %[[EXIT:.*]]
; PGSO: [[EXIT]]:
; PGSO-NEXT: [[FOR_LCSSA:%.*]] = phi i32 [ [[FOR]], %[[LOOP]] ]
; PGSO-NEXT: ret i32 [[FOR_LCSSA]]
;
; NPGSO-LABEL: define i32 @pr45526(
; NPGSO-SAME: ) #[[ATTR0]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br label %[[LOOP:.*]]
; NPGSO: [[LOOP]]:
; NPGSO-NEXT: [[PIV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[PIVPLUS1:%.*]], %[[LOOP]] ]
; NPGSO-NEXT: [[FOR:%.*]] = phi i32 [ 5, %[[ENTRY]] ], [ [[PIVPLUS1]], %[[LOOP]] ]
; NPGSO-NEXT: [[PIVPLUS1]] = add nuw nsw i32 [[PIV]], 1
; NPGSO-NEXT: [[COND:%.*]] = icmp ult i32 [[PIV]], 510
; NPGSO-NEXT: br i1 [[COND]], label %[[LOOP]], label %[[EXIT:.*]]
; NPGSO: [[EXIT]]:
; NPGSO-NEXT: [[FOR_LCSSA:%.*]] = phi i32 [ [[FOR]], %[[LOOP]] ]
; NPGSO-NEXT: ret i32 [[FOR_LCSSA]]
;
entry:
br label %loop
loop:
%piv = phi i32 [ 0, %entry ], [ %pivPlus1, %loop ]
%for = phi i32 [ 5, %entry ], [ %pivPlus1, %loop ]
%pivPlus1 = add nuw nsw i32 %piv, 1
%cond = icmp ult i32 %piv, 510
br i1 %cond, label %loop, label %exit
exit:
ret i32 %for
}
define i32 @pr45526_pgso() !prof !14 {
;
; CHECK-LABEL: define i32 @pr45526_pgso(
; CHECK-SAME: ) !prof [[PROF14]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[PIV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[PIVPLUS1:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[FOR:%.*]] = phi i32 [ 5, %[[ENTRY]] ], [ [[PIVPLUS1]], %[[LOOP]] ]
; CHECK-NEXT: [[PIVPLUS1]] = add nuw nsw i32 [[PIV]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp ult i32 [[PIV]], 510
; CHECK-NEXT: br i1 [[COND]], label %[[LOOP]], label %[[EXIT:.*]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[FOR_LCSSA:%.*]] = phi i32 [ [[FOR]], %[[LOOP]] ]
; CHECK-NEXT: ret i32 [[FOR_LCSSA]]
;
; PGSO-LABEL: define i32 @pr45526_pgso(
; PGSO-SAME: ) !prof [[PROF14]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[LOOP:.*]]
; PGSO: [[LOOP]]:
; PGSO-NEXT: [[PIV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[PIVPLUS1:%.*]], %[[LOOP]] ]
; PGSO-NEXT: [[FOR:%.*]] = phi i32 [ 5, %[[ENTRY]] ], [ [[PIVPLUS1]], %[[LOOP]] ]
; PGSO-NEXT: [[PIVPLUS1]] = add nuw nsw i32 [[PIV]], 1
; PGSO-NEXT: [[COND:%.*]] = icmp ult i32 [[PIV]], 510
; PGSO-NEXT: br i1 [[COND]], label %[[LOOP]], label %[[EXIT:.*]]
; PGSO: [[EXIT]]:
; PGSO-NEXT: [[FOR_LCSSA:%.*]] = phi i32 [ [[FOR]], %[[LOOP]] ]
; PGSO-NEXT: ret i32 [[FOR_LCSSA]]
;
; NPGSO-LABEL: define i32 @pr45526_pgso(
; NPGSO-SAME: ) !prof [[PROF14]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; NPGSO: [[VECTOR_PH]]:
; NPGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; NPGSO: [[VECTOR_BODY]]:
; NPGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 5>, %[[VECTOR_PH]] ], [ [[TMP0:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[TMP0]] = add nuw nsw <4 x i32> [[VEC_IND]], splat (i32 1)
; NPGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
; NPGSO-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 4)
; NPGSO-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 508
; NPGSO-NEXT: br i1 [[TMP1]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
; NPGSO: [[MIDDLE_BLOCK]]:
; NPGSO-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP0]], i32 2
; NPGSO-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP0]], i32 3
; NPGSO-NEXT: br i1 false, label %[[EXIT:.*]], label %[[SCALAR_PH]]
; NPGSO: [[SCALAR_PH]]:
; NPGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 508, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; NPGSO-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[VECTOR_RECUR_EXTRACT]], %[[MIDDLE_BLOCK]] ], [ 5, %[[ENTRY]] ]
; NPGSO-NEXT: br label %[[LOOP:.*]]
; NPGSO: [[LOOP]]:
; NPGSO-NEXT: [[PIV:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[PIVPLUS1:%.*]], %[[LOOP]] ]
; NPGSO-NEXT: [[FOR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], %[[SCALAR_PH]] ], [ [[PIVPLUS1]], %[[LOOP]] ]
; NPGSO-NEXT: [[PIVPLUS1]] = add nuw nsw i32 [[PIV]], 1
; NPGSO-NEXT: [[COND:%.*]] = icmp ult i32 [[PIV]], 510
; NPGSO-NEXT: br i1 [[COND]], label %[[LOOP]], label %[[EXIT]], !llvm.loop [[LOOP24:![0-9]+]]
; NPGSO: [[EXIT]]:
; NPGSO-NEXT: [[FOR_LCSSA:%.*]] = phi i32 [ [[FOR]], %[[LOOP]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], %[[MIDDLE_BLOCK]] ]
; NPGSO-NEXT: ret i32 [[FOR_LCSSA]]
;
entry:
br label %loop
loop:
%piv = phi i32 [ 0, %entry ], [ %pivPlus1, %loop ]
%for = phi i32 [ 5, %entry ], [ %pivPlus1, %loop ]
%pivPlus1 = add nuw nsw i32 %piv, 1
%cond = icmp ult i32 %piv, 510
br i1 %cond, label %loop, label %exit
exit:
ret i32 %for
}
; PR46228: Vectorize w/o versioning for unit stride under optsize and enabled
; vectorization.
; NOTE: Some assertions have been autogenerated by utils/update_test_checks.py
define void @stride1(ptr noalias %B, i32 %BStride) optsize {
; CHECK-LABEL: define void @stride1(
; CHECK-SAME: ptr noalias [[B:%.*]], i32 [[BSTRIDE:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[BSTRIDE]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE2:.*]] ]
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[PRED_STORE_CONTINUE2]] ]
; CHECK-NEXT: [[TMP1:%.*]] = icmp ule <2 x i32> [[VEC_IND]], splat (i32 1024)
; CHECK-NEXT: [[TMP0:%.*]] = mul nsw <2 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]]
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP1]], i32 0
; CHECK-NEXT: br i1 [[TMP2]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; CHECK: [[PRED_STORE_IF]]:
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i32> [[TMP0]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP3]]
; CHECK-NEXT: store i16 42, ptr [[TMP4]], align 4
; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE]]
; CHECK: [[PRED_STORE_CONTINUE]]:
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP1]], i32 1
; CHECK-NEXT: br i1 [[TMP5]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2]]
; CHECK: [[PRED_STORE_IF1]]:
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP0]], i32 1
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP6]]
; CHECK-NEXT: store i16 42, ptr [[TMP7]], align 4
; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE2]]
; CHECK: [[PRED_STORE_CONTINUE2]]:
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2)
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1026
; CHECK-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br label %[[FOR_END:.*]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[MULB:%.*]] = mul nsw i32 [[IV]], [[BSTRIDE]]
; CHECK-NEXT: [[GEPOFB:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[MULB]]
; CHECK-NEXT: store i16 42, ptr [[GEPOFB]], align 4
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[IV_NEXT]], 1025
; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; PGSO-LABEL: define void @stride1(
; PGSO-SAME: ptr noalias [[B:%.*]], i32 [[BSTRIDE:%.*]]) #[[ATTR0]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; PGSO: [[VECTOR_PH]]:
; PGSO-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[BSTRIDE]], i64 0
; PGSO-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
; PGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; PGSO: [[VECTOR_BODY]]:
; PGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE2:.*]] ]
; PGSO-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[PRED_STORE_CONTINUE2]] ]
; PGSO-NEXT: [[TMP0:%.*]] = icmp ule <2 x i32> [[VEC_IND]], splat (i32 1024)
; PGSO-NEXT: [[TMP1:%.*]] = mul nsw <2 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]]
; PGSO-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP0]], i32 0
; PGSO-NEXT: br i1 [[TMP2]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; PGSO: [[PRED_STORE_IF]]:
; PGSO-NEXT: [[TMP3:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; PGSO-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP3]]
; PGSO-NEXT: store i16 42, ptr [[TMP4]], align 4
; PGSO-NEXT: br label %[[PRED_STORE_CONTINUE]]
; PGSO: [[PRED_STORE_CONTINUE]]:
; PGSO-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP0]], i32 1
; PGSO-NEXT: br i1 [[TMP5]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2]]
; PGSO: [[PRED_STORE_IF1]]:
; PGSO-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; PGSO-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP6]]
; PGSO-NEXT: store i16 42, ptr [[TMP7]], align 4
; PGSO-NEXT: br label %[[PRED_STORE_CONTINUE2]]
; PGSO: [[PRED_STORE_CONTINUE2]]:
; PGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; PGSO-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2)
; PGSO-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1026
; PGSO-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
; PGSO: [[MIDDLE_BLOCK]]:
; PGSO-NEXT: br label %[[FOR_END:.*]]
; PGSO: [[SCALAR_PH]]:
; PGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, %[[ENTRY]] ]
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; PGSO-NEXT: [[MULB:%.*]] = mul nsw i32 [[IV]], [[BSTRIDE]]
; PGSO-NEXT: [[GEPOFB:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[MULB]]
; PGSO-NEXT: store i16 42, ptr [[GEPOFB]], align 4
; PGSO-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; PGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[IV_NEXT]], 1025
; PGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
; PGSO: [[FOR_END]]:
; PGSO-NEXT: ret void
;
; NPGSO-LABEL: define void @stride1(
; NPGSO-SAME: ptr noalias [[B:%.*]], i32 [[BSTRIDE:%.*]]) #[[ATTR0]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; NPGSO: [[VECTOR_PH]]:
; NPGSO-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[BSTRIDE]], i64 0
; NPGSO-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
; NPGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; NPGSO: [[VECTOR_BODY]]:
; NPGSO-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE2:.*]] ]
; NPGSO-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[PRED_STORE_CONTINUE2]] ]
; NPGSO-NEXT: [[TMP0:%.*]] = icmp ule <2 x i32> [[VEC_IND]], splat (i32 1024)
; NPGSO-NEXT: [[TMP1:%.*]] = mul nsw <2 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]]
; NPGSO-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP0]], i32 0
; NPGSO-NEXT: br i1 [[TMP2]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; NPGSO: [[PRED_STORE_IF]]:
; NPGSO-NEXT: [[TMP3:%.*]] = extractelement <2 x i32> [[TMP1]], i32 0
; NPGSO-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP3]]
; NPGSO-NEXT: store i16 42, ptr [[TMP4]], align 4
; NPGSO-NEXT: br label %[[PRED_STORE_CONTINUE]]
; NPGSO: [[PRED_STORE_CONTINUE]]:
; NPGSO-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP0]], i32 1
; NPGSO-NEXT: br i1 [[TMP5]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2]]
; NPGSO: [[PRED_STORE_IF1]]:
; NPGSO-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP1]], i32 1
; NPGSO-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP6]]
; NPGSO-NEXT: store i16 42, ptr [[TMP7]], align 4
; NPGSO-NEXT: br label %[[PRED_STORE_CONTINUE2]]
; NPGSO: [[PRED_STORE_CONTINUE2]]:
; NPGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; NPGSO-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2)
; NPGSO-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1026
; NPGSO-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
; NPGSO: [[MIDDLE_BLOCK]]:
; NPGSO-NEXT: br label %[[FOR_END:.*]]
; NPGSO: [[SCALAR_PH]]:
; NPGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, %[[ENTRY]] ]
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; NPGSO-NEXT: [[MULB:%.*]] = mul nsw i32 [[IV]], [[BSTRIDE]]
; NPGSO-NEXT: [[GEPOFB:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[MULB]]
; NPGSO-NEXT: store i16 42, ptr [[GEPOFB]], align 4
; NPGSO-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; NPGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[IV_NEXT]], 1025
; NPGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
; NPGSO: [[FOR_END]]:
; NPGSO-NEXT: ret void
;
entry:
br label %for.body
for.body:
%iv = phi i32 [ %iv.next, %for.body ], [ 0, %entry ]
%mulB = mul nsw i32 %iv, %BStride
%gepOfB = getelementptr inbounds i16, ptr %B, i32 %mulB
store i16 42, ptr %gepOfB, align 4
%iv.next = add nuw nsw i32 %iv, 1
%exitcond = icmp eq i32 %iv.next, 1025
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !15
for.end:
ret void
}
; Vectorize with versioning for unit stride for PGSO and enabled vectorization.
;
define void @stride1_pgso(ptr noalias %B, i32 %BStride) !prof !14 {
; CHECK-LABEL: define void @stride1_pgso(
; CHECK-SAME: ptr noalias [[B:%.*]], i32 [[BSTRIDE:%.*]]) !prof [[PROF14]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
; CHECK: [[VECTOR_SCEVCHECK]]:
; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[BSTRIDE]], 1
; CHECK-NEXT: br i1 [[IDENT_CHECK]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: store <2 x i16> splat (i16 42), ptr [[TMP2]], align 4
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[TMP0]], 2
; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1024
; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br i1 false, label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 1024, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[MULB:%.*]] = mul nsw i32 [[IV]], [[BSTRIDE]]
; CHECK-NEXT: [[GEPOFB:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[MULB]]
; CHECK-NEXT: store i16 42, ptr [[GEPOFB]], align 4
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[IV_NEXT]], 1025
; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; PGSO-LABEL: define void @stride1_pgso(
; PGSO-SAME: ptr noalias [[B:%.*]], i32 [[BSTRIDE:%.*]]) !prof [[PROF14]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
; PGSO: [[VECTOR_SCEVCHECK]]:
; PGSO-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[BSTRIDE]], 1
; PGSO-NEXT: br i1 [[IDENT_CHECK]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; PGSO: [[VECTOR_PH]]:
; PGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; PGSO: [[VECTOR_BODY]]:
; PGSO-NEXT: [[TMP0:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; PGSO-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP0]]
; PGSO-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; PGSO-NEXT: store <2 x i16> splat (i16 42), ptr [[TMP2]], align 4
; PGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[TMP0]], 2
; PGSO-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1024
; PGSO-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
; PGSO: [[MIDDLE_BLOCK]]:
; PGSO-NEXT: br i1 false, label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; PGSO: [[SCALAR_PH]]:
; PGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 1024, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; PGSO-NEXT: [[MULB:%.*]] = mul nsw i32 [[IV]], [[BSTRIDE]]
; PGSO-NEXT: [[GEPOFB:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[MULB]]
; PGSO-NEXT: store i16 42, ptr [[GEPOFB]], align 4
; PGSO-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; PGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[IV_NEXT]], 1025
; PGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
; PGSO: [[FOR_END]]:
; PGSO-NEXT: ret void
;
; NPGSO-LABEL: define void @stride1_pgso(
; NPGSO-SAME: ptr noalias [[B:%.*]], i32 [[BSTRIDE:%.*]]) !prof [[PROF14]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
; NPGSO: [[VECTOR_SCEVCHECK]]:
; NPGSO-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[BSTRIDE]], 1
; NPGSO-NEXT: br i1 [[IDENT_CHECK]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; NPGSO: [[VECTOR_PH]]:
; NPGSO-NEXT: br label %[[VECTOR_BODY:.*]]
; NPGSO: [[VECTOR_BODY]]:
; NPGSO-NEXT: [[TMP0:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; NPGSO-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[TMP0]]
; NPGSO-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; NPGSO-NEXT: store <2 x i16> splat (i16 42), ptr [[TMP2]], align 4
; NPGSO-NEXT: [[INDEX_NEXT]] = add nuw i32 [[TMP0]], 2
; NPGSO-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1024
; NPGSO-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
; NPGSO: [[MIDDLE_BLOCK]]:
; NPGSO-NEXT: br i1 false, label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; NPGSO: [[SCALAR_PH]]:
; NPGSO-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 1024, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_SCEVCHECK]] ]
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; NPGSO-NEXT: [[MULB:%.*]] = mul nsw i32 [[IV]], [[BSTRIDE]]
; NPGSO-NEXT: [[GEPOFB:%.*]] = getelementptr inbounds i16, ptr [[B]], i32 [[MULB]]
; NPGSO-NEXT: store i16 42, ptr [[GEPOFB]], align 4
; NPGSO-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; NPGSO-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[IV_NEXT]], 1025
; NPGSO-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
; NPGSO: [[FOR_END]]:
; NPGSO-NEXT: ret void
;
entry:
br label %for.body
for.body:
%iv = phi i32 [ %iv.next, %for.body ], [ 0, %entry ]
%mulB = mul nsw i32 %iv, %BStride
%gepOfB = getelementptr inbounds i16, ptr %B, i32 %mulB
store i16 42, ptr %gepOfB, align 4
%iv.next = add nuw nsw i32 %iv, 1
%exitcond = icmp eq i32 %iv.next, 1025
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !15
for.end:
ret void
}
; PR46652: Check that the need for stride==1 check prevents vectorizing a loop
; having tiny trip count, when compiling w/o -Os/-Oz.
@g = external global [1 x i16], align 1
define void @pr46652(i16 %stride) {
; CHECK-LABEL: define void @pr46652(
; CHECK-SAME: i16 [[STRIDE:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[L1_02:%.*]] = phi i16 [ 1, %[[ENTRY]] ], [ [[INC9:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[MUL:%.*]] = mul nsw i16 [[L1_02]], [[STRIDE]]
; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [1 x i16], ptr @g, i16 0, i16 [[MUL]]
; CHECK-NEXT: [[TMP0:%.*]] = load i16, ptr [[ARRAYIDX6]], align 1
; CHECK-NEXT: [[INC9]] = add nuw nsw i16 [[L1_02]], 1
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i16 [[INC9]], 16
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; PGSO-LABEL: define void @pr46652(
; PGSO-SAME: i16 [[STRIDE:%.*]]) {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[L1_02:%.*]] = phi i16 [ 1, %[[ENTRY]] ], [ [[INC9:%.*]], %[[FOR_BODY]] ]
; PGSO-NEXT: [[MUL:%.*]] = mul nsw i16 [[L1_02]], [[STRIDE]]
; PGSO-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [1 x i16], ptr @g, i16 0, i16 [[MUL]]
; PGSO-NEXT: [[TMP0:%.*]] = load i16, ptr [[ARRAYIDX6]], align 1
; PGSO-NEXT: [[INC9]] = add nuw nsw i16 [[L1_02]], 1
; PGSO-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i16 [[INC9]], 16
; PGSO-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; PGSO: [[FOR_END]]:
; PGSO-NEXT: ret void
;
; NPGSO-LABEL: define void @pr46652(
; NPGSO-SAME: i16 [[STRIDE:%.*]]) {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[L1_02:%.*]] = phi i16 [ 1, %[[ENTRY]] ], [ [[INC9:%.*]], %[[FOR_BODY]] ]
; NPGSO-NEXT: [[MUL:%.*]] = mul nsw i16 [[L1_02]], [[STRIDE]]
; NPGSO-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [1 x i16], ptr @g, i16 0, i16 [[MUL]]
; NPGSO-NEXT: [[TMP0:%.*]] = load i16, ptr [[ARRAYIDX6]], align 1
; NPGSO-NEXT: [[INC9]] = add nuw nsw i16 [[L1_02]], 1
; NPGSO-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i16 [[INC9]], 16
; NPGSO-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END:.*]], label %[[FOR_BODY]]
; NPGSO: [[FOR_END]]:
; NPGSO-NEXT: ret void
;
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%l1.02 = phi i16 [ 1, %entry ], [ %inc9, %for.body ]
%mul = mul nsw i16 %l1.02, %stride
%arrayidx6 = getelementptr inbounds [1 x i16], ptr @g, i16 0, i16 %mul
%0 = load i16, ptr %arrayidx6, align 1
%inc9 = add nuw nsw i16 %l1.02, 1
%exitcond.not = icmp eq i16 %inc9, 16
br i1 %exitcond.not, label %for.end, label %for.body
for.end: ; preds = %for.body
ret void
}
; Make sure we do not crash while building the VPlan for the loop with the
; select below.
define i32 @PR48142(ptr %ptr.start, ptr %ptr.end) optsize {
; CHECK-LABEL: define i32 @PR48142(
; CHECK-SAME: ptr [[PTR_START:%.*]], ptr [[PTR_END:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I_014:%.*]] = phi i32 [ 20, %[[ENTRY]] ], [ [[COND:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[PTR_START]], %[[ENTRY]] ], [ [[PTR_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[CMP4:%.*]] = icmp slt i32 [[I_014]], 99
; CHECK-NEXT: [[COND]] = select i1 [[CMP4]], i32 99, i32 [[I_014]]
; CHECK-NEXT: store i32 0, ptr [[PTR_IV]], align 4
; CHECK-NEXT: [[PTR_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i64 1
; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq ptr [[PTR_NEXT]], [[PTR_END]]
; CHECK-NEXT: br i1 [[CMP_NOT]], label %[[EXIT:.*]], label %[[FOR_BODY]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[RES:%.*]] = phi i32 [ [[COND]], %[[FOR_BODY]] ]
; CHECK-NEXT: ret i32 [[RES]]
;
; PGSO-LABEL: define i32 @PR48142(
; PGSO-SAME: ptr [[PTR_START:%.*]], ptr [[PTR_END:%.*]]) #[[ATTR0]] {
; PGSO-NEXT: [[ENTRY:.*]]:
; PGSO-NEXT: br label %[[FOR_BODY:.*]]
; PGSO: [[FOR_BODY]]:
; PGSO-NEXT: [[I_014:%.*]] = phi i32 [ 20, %[[ENTRY]] ], [ [[COND:%.*]], %[[FOR_BODY]] ]
; PGSO-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[PTR_START]], %[[ENTRY]] ], [ [[PTR_NEXT:%.*]], %[[FOR_BODY]] ]
; PGSO-NEXT: [[CMP4:%.*]] = icmp slt i32 [[I_014]], 99
; PGSO-NEXT: [[COND]] = select i1 [[CMP4]], i32 99, i32 [[I_014]]
; PGSO-NEXT: store i32 0, ptr [[PTR_IV]], align 4
; PGSO-NEXT: [[PTR_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i64 1
; PGSO-NEXT: [[CMP_NOT:%.*]] = icmp eq ptr [[PTR_NEXT]], [[PTR_END]]
; PGSO-NEXT: br i1 [[CMP_NOT]], label %[[EXIT:.*]], label %[[FOR_BODY]]
; PGSO: [[EXIT]]:
; PGSO-NEXT: [[RES:%.*]] = phi i32 [ [[COND]], %[[FOR_BODY]] ]
; PGSO-NEXT: ret i32 [[RES]]
;
; NPGSO-LABEL: define i32 @PR48142(
; NPGSO-SAME: ptr [[PTR_START:%.*]], ptr [[PTR_END:%.*]]) #[[ATTR0]] {
; NPGSO-NEXT: [[ENTRY:.*]]:
; NPGSO-NEXT: br label %[[FOR_BODY:.*]]
; NPGSO: [[FOR_BODY]]:
; NPGSO-NEXT: [[I_014:%.*]] = phi i32 [ 20, %[[ENTRY]] ], [ [[COND:%.*]], %[[FOR_BODY]] ]
; NPGSO-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[PTR_START]], %[[ENTRY]] ], [ [[PTR_NEXT:%.*]], %[[FOR_BODY]] ]
; NPGSO-NEXT: [[CMP4:%.*]] = icmp slt i32 [[I_014]], 99
; NPGSO-NEXT: [[COND]] = select i1 [[CMP4]], i32 99, i32 [[I_014]]
; NPGSO-NEXT: store i32 0, ptr [[PTR_IV]], align 4
; NPGSO-NEXT: [[PTR_NEXT]] = getelementptr inbounds i32, ptr [[PTR_IV]], i64 1
; NPGSO-NEXT: [[CMP_NOT:%.*]] = icmp eq ptr [[PTR_NEXT]], [[PTR_END]]
; NPGSO-NEXT: br i1 [[CMP_NOT]], label %[[EXIT:.*]], label %[[FOR_BODY]]
; NPGSO: [[EXIT]]:
; NPGSO-NEXT: [[RES:%.*]] = phi i32 [ [[COND]], %[[FOR_BODY]] ]
; NPGSO-NEXT: ret i32 [[RES]]
;
entry:
br label %for.body
for.body:
%i.014 = phi i32 [ 20, %entry ], [ %cond, %for.body ]
%ptr.iv = phi ptr [ %ptr.start, %entry ], [ %ptr.next, %for.body ]
%cmp4 = icmp slt i32 %i.014, 99
%cond = select i1 %cmp4, i32 99, i32 %i.014
store i32 0, ptr %ptr.iv
%ptr.next = getelementptr inbounds i32, ptr %ptr.iv, i64 1
%cmp.not = icmp eq ptr %ptr.next, %ptr.end
br i1 %cmp.not, label %exit, label %for.body
exit:
%res = phi i32 [ %cond, %for.body ]
ret i32 %res
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"ProfileSummary", !1}
!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
!2 = !{!"ProfileFormat", !"InstrProf"}
!3 = !{!"TotalCount", i64 10000}
!4 = !{!"MaxCount", i64 10}
!5 = !{!"MaxInternalCount", i64 1}
!6 = !{!"MaxFunctionCount", i64 1000}
!7 = !{!"NumCounts", i64 3}
!8 = !{!"NumFunctions", i64 3}
!9 = !{!"DetailedSummary", !10}
!10 = !{!11, !12, !13}
!11 = !{i32 10000, i64 100, i32 1}
!12 = !{i32 999000, i64 100, i32 1}
!13 = !{i32 999999, i64 1, i32 2}
!14 = !{!"function_entry_count", i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.vectorize.enable", i1 true}
;.
; CHECK: [[PROF14]] = !{!"function_entry_count", i64 0}
; CHECK: [[LOOP15]] = distinct !{[[LOOP15]], [[META16:![0-9]+]], [[META17:![0-9]+]]}
; CHECK: [[META16]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK: [[META17]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK: [[LOOP18]] = distinct !{[[LOOP18]], [[META17]], [[META16]]}
; CHECK: [[LOOP19]] = distinct !{[[LOOP19]], [[META16]], [[META17]]}
; CHECK: [[LOOP20]] = distinct !{[[LOOP20]], [[META17]], [[META16]]}
; CHECK: [[LOOP21]] = distinct !{[[LOOP21]], [[META16]], [[META17]]}
; CHECK: [[LOOP22]] = distinct !{[[LOOP22]], [[META17]], [[META16]]}
; CHECK: [[LOOP23]] = distinct !{[[LOOP23]], [[META16]], [[META17]]}
; CHECK: [[LOOP24]] = distinct !{[[LOOP24]], [[META16]]}
;.
; PGSO: [[PROF14]] = !{!"function_entry_count", i64 0}
; PGSO: [[LOOP15]] = distinct !{[[LOOP15]], [[META16:![0-9]+]], [[META17:![0-9]+]]}
; PGSO: [[META16]] = !{!"llvm.loop.isvectorized", i32 1}
; PGSO: [[META17]] = !{!"llvm.loop.unroll.runtime.disable"}
; PGSO: [[LOOP18]] = distinct !{[[LOOP18]], [[META17]], [[META16]]}
; PGSO: [[LOOP19]] = distinct !{[[LOOP19]], [[META16]], [[META17]]}
; PGSO: [[LOOP20]] = distinct !{[[LOOP20]], [[META17]], [[META16]]}
; PGSO: [[LOOP21]] = distinct !{[[LOOP21]], [[META16]], [[META17]]}
; PGSO: [[LOOP22]] = distinct !{[[LOOP22]], [[META17]], [[META16]]}
; PGSO: [[LOOP23]] = distinct !{[[LOOP23]], [[META16]], [[META17]]}
; PGSO: [[LOOP24]] = distinct !{[[LOOP24]], [[META16]]}
;.
; NPGSO: [[PROF14]] = !{!"function_entry_count", i64 0}
; NPGSO: [[LOOP15]] = distinct !{[[LOOP15]], [[META16:![0-9]+]], [[META17:![0-9]+]]}
; NPGSO: [[META16]] = !{!"llvm.loop.isvectorized", i32 1}
; NPGSO: [[META17]] = !{!"llvm.loop.unroll.runtime.disable"}
; NPGSO: [[LOOP18]] = distinct !{[[LOOP18]], [[META17]], [[META16]]}
; NPGSO: [[LOOP19]] = distinct !{[[LOOP19]], [[META16]], [[META17]]}
; NPGSO: [[LOOP20]] = distinct !{[[LOOP20]], [[META17]], [[META16]]}
; NPGSO: [[LOOP21]] = distinct !{[[LOOP21]], [[META16]], [[META17]]}
; NPGSO: [[LOOP22]] = distinct !{[[LOOP22]], [[META16]]}
; NPGSO: [[LOOP23]] = distinct !{[[LOOP23]], [[META16]], [[META17]]}
; NPGSO: [[LOOP24]] = distinct !{[[LOOP24]], [[META17]], [[META16]]}
; NPGSO: [[LOOP25]] = distinct !{[[LOOP25]], [[META16]], [[META17]]}
; NPGSO: [[LOOP26]] = distinct !{[[LOOP26]], [[META17]], [[META16]]}
; NPGSO: [[LOOP27]] = distinct !{[[LOOP27]], [[META16]], [[META17]]}
; NPGSO: [[LOOP28]] = distinct !{[[LOOP28]], [[META16]]}
;.
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