505 lines
24 KiB
LLVM
505 lines
24 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --replace-value-regex "!llvm.loop ![0-9]+" --version 5
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; RUN: opt -S -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=2 < %s | FileCheck --check-prefixes=CHECK,VEC %s
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; RUN: opt -S -passes=loop-vectorize -force-vector-interleave=2 -force-vector-width=1 < %s | FileCheck --check-prefixes=CHECK %s
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define i32 @postinc(i32 %k) {
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; CHECK-LABEL: define i32 @postinc(
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; CHECK-SAME: i32 [[K:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K]], 2
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[K]], 2
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[K]], [[N_MOD_VF]]
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP0]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[K]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC]] = add nsw i32 [[INC_PHI]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC]], [[K]]
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_END]], label %[[FOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], %[[FOR_BODY]] ], [ [[N_VEC]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: ret i32 [[INC_LCSSA]]
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;
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entry:
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br label %for.body
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for.body:
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%inc.phi = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%inc = add nsw i32 %inc.phi, 1
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%cmp = icmp eq i32 %inc, %k
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br i1 %cmp, label %for.end, label %for.body
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for.end:
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ret i32 %inc
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}
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define i32 @preinc(i32 %k) {
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; CHECK-LABEL: define i32 @preinc(
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; CHECK-SAME: i32 [[K:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K]], 2
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[K]], 2
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[K]], [[N_MOD_VF]]
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP0]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[K]], [[N_VEC]]
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; CHECK-NEXT: [[IND_ESCAPE:%.*]] = sub i32 [[N_VEC]], 1
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; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC]] = add nsw i32 [[INC_PHI]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC]], [[K]]
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_END]], label %[[FOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[INC_PHI_LCSSA:%.*]] = phi i32 [ [[INC_PHI]], %[[FOR_BODY]] ], [ [[IND_ESCAPE]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: ret i32 [[INC_PHI_LCSSA]]
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;
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entry:
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br label %for.body
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for.body:
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%inc.phi = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%inc = add nsw i32 %inc.phi, 1
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%cmp = icmp eq i32 %inc, %k
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br i1 %cmp, label %for.end, label %for.body
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for.end:
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ret i32 %inc.phi
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}
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define i32 @constpre() {
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; CHECK-LABEL: define i32 @constpre() {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
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; CHECK-NEXT: br i1 [[TMP0]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: br i1 true, label %[[FOR_END:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, %[[MIDDLE_BLOCK]] ], [ 32, %[[ENTRY]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC]] = sub nsw i32 [[INC_PHI]], 2
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC]], 0
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_END]], label %[[FOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[INC_PHI_LCSSA:%.*]] = phi i32 [ [[INC_PHI]], %[[FOR_BODY]] ], [ 2, %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: ret i32 [[INC_PHI_LCSSA]]
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;
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entry:
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br label %for.body
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for.body:
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%inc.phi = phi i32 [ 32, %entry ], [ %inc, %for.body ]
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%inc = sub nsw i32 %inc.phi, 2
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%cmp = icmp eq i32 %inc, 0
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br i1 %cmp, label %for.end, label %for.body
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for.end:
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ret i32 %inc.phi
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}
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define ptr @geppre(ptr %ptr) {
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; CHECK-LABEL: define ptr @geppre(
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; CHECK-SAME: ptr [[PTR:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[PTR]], i64 512
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32
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; CHECK-NEXT: br i1 [[TMP0]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[IND_ESCAPE:%.*]] = getelementptr i8, ptr [[IND_END]], i64 -16
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; CHECK-NEXT: br i1 true, label %[[FOR_END:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 32, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
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; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[IND_END]], %[[MIDDLE_BLOCK]] ], [ [[PTR]], %[[ENTRY]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[PTR_PHI:%.*]] = phi ptr [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ], [ [[INC_PTR:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC]] = add nsw i32 [[INC_PHI]], 1
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; CHECK-NEXT: [[INC_PTR]] = getelementptr i32, ptr [[PTR_PHI]], i32 4
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC]], 32
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_END]], label %[[FOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[PTR_PHI_LCSSA:%.*]] = phi ptr [ [[PTR_PHI]], %[[FOR_BODY]] ], [ [[IND_ESCAPE]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: ret ptr [[PTR_PHI_LCSSA]]
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;
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entry:
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br label %for.body
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for.body:
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%inc.phi = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%ptr.phi = phi ptr [ %ptr, %entry ], [ %inc.ptr, %for.body ]
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%inc = add nsw i32 %inc.phi, 1
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%inc.ptr = getelementptr i32, ptr %ptr.phi, i32 4
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%cmp = icmp eq i32 %inc, 32
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br i1 %cmp, label %for.end, label %for.body
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for.end:
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ret ptr %ptr.phi
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}
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define ptr @both(i32 %k) {
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; CHECK-LABEL: define ptr @both(
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; CHECK-SAME: i32 [[K:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[BASE:%.*]] = getelementptr inbounds i32, ptr undef, i64 1
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; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[K]], -1
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; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 2
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 2
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
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; CHECK-NEXT: [[IND_END:%.*]] = trunc i64 [[N_VEC]] to i32
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; CHECK-NEXT: [[TMP3:%.*]] = mul i64 [[N_VEC]], 4
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; CHECK-NEXT: [[IND_END1:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[TMP3]]
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; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 4
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; CHECK-NEXT: [[IND_END2:%.*]] = getelementptr i8, ptr undef, i64 [[TMP4]]
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
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; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
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; CHECK-NEXT: [[IND_ESCAPE:%.*]] = getelementptr i8, ptr [[IND_END1]], i64 -4
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; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
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; CHECK-NEXT: [[BC_RESUME_VAL2:%.*]] = phi ptr [ [[IND_END1]], %[[MIDDLE_BLOCK]] ], [ [[BASE]], %[[ENTRY]] ]
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; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[IND_END2]], %[[MIDDLE_BLOCK]] ], [ undef, %[[ENTRY]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC_LAG1:%.*]] = phi ptr [ [[BC_RESUME_VAL2]], %[[SCALAR_PH]] ], [ [[TMP:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC_LAG2:%.*]] = phi ptr [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ], [ [[INC_LAG1]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[TMP]] = getelementptr inbounds i32, ptr [[INC_LAG1]], i64 1
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; CHECK-NEXT: [[INC]] = add nsw i32 [[INC_PHI]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC]], [[K]]
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_END]], label %[[FOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[INC_LAG1_LCSSA:%.*]] = phi ptr [ [[INC_LAG1]], %[[FOR_BODY]] ], [ [[IND_ESCAPE]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: ret ptr [[INC_LAG1_LCSSA]]
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;
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entry:
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%base = getelementptr inbounds i32, ptr undef, i64 1
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br label %for.body
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for.body:
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%inc.phi = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%inc.lag1 = phi ptr [ %base, %entry ], [ %tmp, %for.body]
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%inc.lag2 = phi ptr [ undef, %entry ], [ %inc.lag1, %for.body]
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%tmp = getelementptr inbounds i32, ptr %inc.lag1, i64 1
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%inc = add nsw i32 %inc.phi, 1
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%cmp = icmp eq i32 %inc, %k
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br i1 %cmp, label %for.end, label %for.body
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for.end:
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ret ptr %inc.lag1
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}
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define i32 @multiphi(i32 %k, ptr %p) {
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; CHECK-LABEL: define i32 @multiphi(
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; CHECK-SAME: i32 [[K:%.*]], ptr [[P:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K]], 2
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[K]], 2
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[K]], [[N_MOD_VF]]
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP0]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[K]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
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; CHECK: [[SCALAR_PH]]:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INC]] = add nsw i32 [[INC_PHI]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC]], [[K]]
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; CHECK-NEXT: br i1 [[CMP]], label %[[FOR_END]], label %[[FOR_BODY]], {{!llvm.loop ![0-9]+}}
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[INC]], %[[FOR_BODY]] ], [ [[N_VEC]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: [[PHI2:%.*]] = phi i32 [ [[INC]], %[[FOR_BODY]] ], [ [[N_VEC]], %[[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: store i32 [[PHI2]], ptr [[P]], align 4
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; CHECK-NEXT: ret i32 [[PHI]]
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;
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entry:
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br label %for.body
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for.body:
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%inc.phi = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%inc = add nsw i32 %inc.phi, 1
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%cmp = icmp eq i32 %inc, %k
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br i1 %cmp, label %for.end, label %for.body
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for.end:
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%phi = phi i32 [ %inc, %for.body ]
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%phi2 = phi i32 [ %inc, %for.body ]
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store i32 %phi2, ptr %p
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ret i32 %phi
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}
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define void @PR30742() {
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; CHECK-LABEL: define void @PR30742() {
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; CHECK-NEXT: [[BB0:.*:]]
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; CHECK-NEXT: br label %[[BB1:.*]]
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; CHECK: [[BB1_LOOPEXIT:.*]]:
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; CHECK-NEXT: br label %[[BB1]]
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; CHECK: [[BB1]]:
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; CHECK-NEXT: [[TMP00:%.*]] = load i32, ptr undef, align 16
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; CHECK-NEXT: [[TMP01:%.*]] = sub i32 [[TMP00]], undef
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; CHECK-NEXT: [[TMP02:%.*]] = icmp slt i32 [[TMP01]], 1
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; CHECK-NEXT: [[TMP03:%.*]] = select i1 [[TMP02]], i32 1, i32 [[TMP01]]
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; CHECK-NEXT: [[TMP04:%.*]] = add nsw i32 [[TMP03]], -7
|
|
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[TMP03]], -8
|
|
; CHECK-NEXT: [[TMP1:%.*]] = add nsw i32 [[TMP03]], -15
|
|
; CHECK-NEXT: [[SMIN1:%.*]] = call i32 @llvm.smin.i32(i32 [[TMP1]], i32 0)
|
|
; CHECK-NEXT: [[TMP2:%.*]] = sub i32 [[TMP0]], [[SMIN1]]
|
|
; CHECK-NEXT: [[TMP3:%.*]] = lshr i32 [[TMP2]], 3
|
|
; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i32 [[TMP3]], 1
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK4:%.*]] = icmp ult i32 [[TMP4]], 2
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK4]], label %[[SCALAR_PH3:.*]], label %[[VECTOR_PH5:.*]]
|
|
; CHECK: [[VECTOR_PH5]]:
|
|
; CHECK-NEXT: [[N_MOD_VF6:%.*]] = urem i32 [[TMP4]], 2
|
|
; CHECK-NEXT: [[N_VEC7:%.*]] = sub i32 [[TMP4]], [[N_MOD_VF6]]
|
|
; CHECK-NEXT: [[TMP5:%.*]] = mul i32 [[N_VEC7]], -8
|
|
; CHECK-NEXT: [[IND_END8:%.*]] = add i32 [[TMP04]], [[TMP5]]
|
|
; CHECK-NEXT: br label %[[VECTOR_BODY10:.*]]
|
|
; CHECK: [[VECTOR_BODY10]]:
|
|
; CHECK-NEXT: [[INDEX10:%.*]] = phi i32 [ 0, %[[VECTOR_PH5]] ], [ [[INDEX_NEXT11:%.*]], %[[VECTOR_BODY10]] ]
|
|
; CHECK-NEXT: [[INDEX_NEXT11]] = add nuw i32 [[INDEX10]], 2
|
|
; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT11]], [[N_VEC7]]
|
|
; CHECK-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK2:.*]], label %[[VECTOR_BODY10]], {{!llvm.loop ![0-9]+}}
|
|
; CHECK: [[MIDDLE_BLOCK2]]:
|
|
; CHECK-NEXT: [[CMP_N12:%.*]] = icmp eq i32 [[TMP4]], [[N_VEC7]]
|
|
; CHECK-NEXT: [[IND_ESCAPE:%.*]] = sub i32 [[IND_END8]], -8
|
|
; CHECK-NEXT: br i1 [[CMP_N12]], label %[[BB3:.*]], label %[[SCALAR_PH3]]
|
|
; CHECK: [[SCALAR_PH3]]:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL9:%.*]] = phi i32 [ [[IND_END8]], %[[MIDDLE_BLOCK2]] ], [ [[TMP04]], %[[BB1]] ]
|
|
; CHECK-NEXT: br label %[[BB2:.*]]
|
|
; CHECK: [[BB2]]:
|
|
; CHECK-NEXT: [[TMP05:%.*]] = phi i32 [ [[BC_RESUME_VAL9]], %[[SCALAR_PH3]] ], [ [[TMP06:%.*]], %[[BB2]] ]
|
|
; CHECK-NEXT: [[TMP06]] = add i32 [[TMP05]], -8
|
|
; CHECK-NEXT: [[TMP07:%.*]] = icmp sgt i32 [[TMP06]], 0
|
|
; CHECK-NEXT: br i1 [[TMP07]], label %[[BB2]], label %[[BB3]], {{!llvm.loop ![0-9]+}}
|
|
; CHECK: [[BB3]]:
|
|
; CHECK-NEXT: [[TMP08:%.*]] = phi i32 [ [[TMP05]], %[[BB2]] ], [ [[IND_ESCAPE]], %[[MIDDLE_BLOCK2]] ]
|
|
; CHECK-NEXT: [[TMP09:%.*]] = sub i32 [[TMP00]], undef
|
|
; CHECK-NEXT: [[TMP10:%.*]] = icmp slt i32 [[TMP09]], 1
|
|
; CHECK-NEXT: [[TMP11:%.*]] = select i1 [[TMP10]], i32 1, i32 [[TMP09]]
|
|
; CHECK-NEXT: [[TMP12:%.*]] = add nsw i32 [[TMP11]], -7
|
|
; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[TMP11]], -8
|
|
; CHECK-NEXT: [[TMP8:%.*]] = add nsw i32 [[TMP11]], -15
|
|
; CHECK-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[TMP8]], i32 0)
|
|
; CHECK-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[SMIN]]
|
|
; CHECK-NEXT: [[TMP10:%.*]] = lshr i32 [[TMP9]], 3
|
|
; CHECK-NEXT: [[TMP11:%.*]] = add nuw nsw i32 [[TMP10]], 1
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP11]], 2
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
|
|
; CHECK: [[VECTOR_PH]]:
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP11]], 2
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP11]], [[N_MOD_VF]]
|
|
; CHECK-NEXT: [[TMP16:%.*]] = mul i32 [[N_VEC]], -8
|
|
; CHECK-NEXT: [[IND_END:%.*]] = add i32 [[TMP12]], [[TMP16]]
|
|
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
|
|
; CHECK: [[VECTOR_BODY]]:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
|
|
; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP13]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
|
|
; CHECK: [[MIDDLE_BLOCK]]:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP11]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label %[[BB1_LOOPEXIT]], label %[[SCALAR_PH]]
|
|
; CHECK: [[SCALAR_PH]]:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], %[[MIDDLE_BLOCK]] ], [ [[TMP12]], %[[BB3]] ]
|
|
; CHECK-NEXT: br label %[[BB4:.*]]
|
|
; CHECK: [[BB4]]:
|
|
; CHECK-NEXT: [[TMP13:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[TMP14:%.*]], %[[BB4]] ]
|
|
; CHECK-NEXT: [[TMP14]] = add i32 [[TMP13]], -8
|
|
; CHECK-NEXT: [[TMP15:%.*]] = icmp sgt i32 [[TMP14]], 0
|
|
; CHECK-NEXT: br i1 [[TMP15]], label %[[BB4]], label %[[BB1_LOOPEXIT]], {{!llvm.loop ![0-9]+}}
|
|
;
|
|
BB0:
|
|
br label %BB1
|
|
|
|
BB1:
|
|
%tmp00 = load i32, ptr undef, align 16
|
|
%tmp01 = sub i32 %tmp00, undef
|
|
%tmp02 = icmp slt i32 %tmp01, 1
|
|
%tmp03 = select i1 %tmp02, i32 1, i32 %tmp01
|
|
%tmp04 = add nsw i32 %tmp03, -7
|
|
br label %BB2
|
|
|
|
BB2:
|
|
%tmp05 = phi i32 [ %tmp04, %BB1 ], [ %tmp06, %BB2 ]
|
|
%tmp06 = add i32 %tmp05, -8
|
|
%tmp07 = icmp sgt i32 %tmp06, 0
|
|
br i1 %tmp07, label %BB2, label %BB3
|
|
|
|
BB3:
|
|
%tmp08 = phi i32 [ %tmp05, %BB2 ]
|
|
%tmp09 = sub i32 %tmp00, undef
|
|
%tmp10 = icmp slt i32 %tmp09, 1
|
|
%tmp11 = select i1 %tmp10, i32 1, i32 %tmp09
|
|
%tmp11.inc = add nsw i32 %tmp11, -7
|
|
br label %BB4
|
|
|
|
BB4:
|
|
%tmp13 = phi i32 [ %tmp11.inc, %BB3 ], [ %tmp14, %BB4 ]
|
|
%tmp14 = add i32 %tmp13, -8
|
|
%tmp15 = icmp sgt i32 %tmp14, 0
|
|
br i1 %tmp15, label %BB4, label %BB1
|
|
}
|
|
|
|
;
|
|
define i64 @iv_scalar_steps_and_outside_users(ptr %ptr) {
|
|
; VEC-LABEL: define i64 @iv_scalar_steps_and_outside_users(
|
|
; VEC-SAME: ptr [[PTR:%.*]]) {
|
|
; VEC-NEXT: [[ENTRY:.*]]:
|
|
; VEC-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
|
|
; VEC: [[VECTOR_PH]]:
|
|
; VEC-NEXT: br label %[[VECTOR_BODY:.*]]
|
|
; VEC: [[VECTOR_BODY]]:
|
|
; VEC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
|
|
; VEC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
|
|
; VEC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; VEC-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 [[TMP0]]
|
|
; VEC-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[TMP1]], i32 0
|
|
; VEC-NEXT: store <2 x i64> [[VEC_IND]], ptr [[TMP2]], align 4
|
|
; VEC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
|
|
; VEC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], splat (i64 2)
|
|
; VEC-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1002
|
|
; VEC-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
|
|
; VEC: [[MIDDLE_BLOCK]]:
|
|
; VEC-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
|
|
; VEC: [[SCALAR_PH]]:
|
|
; VEC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1002, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
|
|
; VEC-NEXT: br label %[[LOOP:.*]]
|
|
; VEC: [[LOOP]]:
|
|
; VEC-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
|
|
; VEC-NEXT: [[IV_NEXT]] = add nuw i64 [[IV]], 1
|
|
; VEC-NEXT: [[GEP_PTR:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 [[IV]]
|
|
; VEC-NEXT: store i64 [[IV]], ptr [[GEP_PTR]], align 4
|
|
; VEC-NEXT: [[EXITCOND:%.*]] = icmp ugt i64 [[IV]], 1000
|
|
; VEC-NEXT: br i1 [[EXITCOND]], label %[[EXIT]], label %[[LOOP]], {{!llvm.loop ![0-9]+}}
|
|
; VEC: [[EXIT]]:
|
|
; VEC-NEXT: [[IV_LCSSA:%.*]] = phi i64 [ [[IV]], %[[LOOP]] ], [ 1001, %[[MIDDLE_BLOCK]] ]
|
|
; VEC-NEXT: ret i64 [[IV_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %loop
|
|
|
|
loop:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
|
|
%iv.next = add nuw i64 %iv, 1
|
|
%gep.ptr = getelementptr inbounds i64, ptr %ptr, i64 %iv
|
|
store i64 %iv, ptr %gep.ptr
|
|
%exitcond = icmp ugt i64 %iv, 1000
|
|
br i1 %exitcond, label %exit, label %loop
|
|
|
|
exit:
|
|
%iv.lcssa = phi i64 [ %iv, %loop ]
|
|
ret i64 %iv.lcssa
|
|
}
|
|
|
|
|
|
; %iv.2 is dead in the vector loop and only used outside the loop.
|
|
define i32 @iv_2_dead_in_loop_only_used_outside(ptr %ptr) {
|
|
; VEC-LABEL: define i32 @iv_2_dead_in_loop_only_used_outside(
|
|
; VEC-SAME: ptr [[PTR:%.*]]) {
|
|
; VEC-NEXT: [[ENTRY:.*]]:
|
|
; VEC-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
|
|
; VEC: [[VECTOR_PH]]:
|
|
; VEC-NEXT: br label %[[VECTOR_BODY:.*]]
|
|
; VEC: [[VECTOR_BODY]]:
|
|
; VEC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
|
|
; VEC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
|
|
; VEC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; VEC-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 [[TMP0]]
|
|
; VEC-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[TMP1]], i32 0
|
|
; VEC-NEXT: store <2 x i64> [[VEC_IND]], ptr [[TMP2]], align 4
|
|
; VEC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
|
|
; VEC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], splat (i64 2)
|
|
; VEC-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1002
|
|
; VEC-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], {{!llvm.loop ![0-9]+}}
|
|
; VEC: [[MIDDLE_BLOCK]]:
|
|
; VEC-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]]
|
|
; VEC: [[SCALAR_PH]]:
|
|
; VEC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1002, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
|
|
; VEC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 2004, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
|
|
; VEC-NEXT: br label %[[LOOP:.*]]
|
|
; VEC: [[LOOP]]:
|
|
; VEC-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
|
|
; VEC-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], %[[LOOP]] ]
|
|
; VEC-NEXT: [[IV_NEXT]] = add nuw i64 [[IV]], 1
|
|
; VEC-NEXT: [[IV_2_NEXT]] = add nuw i32 [[IV_2]], 2
|
|
; VEC-NEXT: [[GEP_PTR:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 [[IV]]
|
|
; VEC-NEXT: store i64 [[IV]], ptr [[GEP_PTR]], align 4
|
|
; VEC-NEXT: [[EXITCOND:%.*]] = icmp ugt i64 [[IV]], 1000
|
|
; VEC-NEXT: br i1 [[EXITCOND]], label %[[EXIT]], label %[[LOOP]], {{!llvm.loop ![0-9]+}}
|
|
; VEC: [[EXIT]]:
|
|
; VEC-NEXT: [[IV_2_LCSSA:%.*]] = phi i32 [ [[IV_2]], %[[LOOP]] ], [ 2002, %[[MIDDLE_BLOCK]] ]
|
|
; VEC-NEXT: ret i32 [[IV_2_LCSSA]]
|
|
;
|
|
entry:
|
|
br label %loop
|
|
|
|
loop:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
|
|
%iv.2 = phi i32 [ 0, %entry ], [ %iv.2.next, %loop ]
|
|
%iv.next = add nuw i64 %iv, 1
|
|
%iv.2.next = add nuw i32 %iv.2, 2
|
|
%gep.ptr = getelementptr inbounds i64, ptr %ptr, i64 %iv
|
|
store i64 %iv, ptr %gep.ptr
|
|
%exitcond = icmp ugt i64 %iv, 1000
|
|
br i1 %exitcond, label %exit, label %loop
|
|
|
|
exit:
|
|
%iv.2.lcssa = phi i32 [ %iv.2, %loop ]
|
|
ret i32 %iv.2.lcssa
|
|
}
|