232 lines
14 KiB
LLVM
232 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -p loop-vectorize -mtriple=x86_64-apple-macosx -S %s | FileCheck %s
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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define i32 @iv_used_widened_and_truncated(ptr %dst, i64 %N) #0 {
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; CHECK-LABEL: define i32 @iv_used_widened_and_truncated(
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; CHECK-SAME: ptr [[DST:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 32
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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 [[TMP0]], 32
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[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 i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_IND:%.*]] = phi <8 x i64> [ <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_IND4:%.*]] = phi <8 x i32> [ <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT9:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[STEP_ADD:%.*]] = add <8 x i64> [[VEC_IND]], <i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8>
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; CHECK-NEXT: [[STEP_ADD1:%.*]] = add <8 x i64> [[STEP_ADD]], <i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8>
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; CHECK-NEXT: [[STEP_ADD2:%.*]] = add <8 x i64> [[STEP_ADD1]], <i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8>
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; CHECK-NEXT: [[STEP_ADD5:%.*]] = add <8 x i32> [[VEC_IND4]], <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
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; CHECK-NEXT: [[STEP_ADD6:%.*]] = add <8 x i32> [[STEP_ADD5]], <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
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; CHECK-NEXT: [[STEP_ADD7:%.*]] = add <8 x i32> [[STEP_ADD6]], <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr { i32, [8 x i32] }, ptr [[DST]], <8 x i64> [[VEC_IND]]
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr { i32, [8 x i32] }, ptr [[DST]], <8 x i64> [[STEP_ADD]]
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr { i32, [8 x i32] }, ptr [[DST]], <8 x i64> [[STEP_ADD1]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr { i32, [8 x i32] }, ptr [[DST]], <8 x i64> [[STEP_ADD2]]
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; CHECK-NEXT: call void @llvm.masked.scatter.v8i32.v8p0(<8 x i32> [[VEC_IND4]], <8 x ptr> [[TMP1]], i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>)
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; CHECK-NEXT: call void @llvm.masked.scatter.v8i32.v8p0(<8 x i32> [[STEP_ADD5]], <8 x ptr> [[TMP2]], i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>)
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; CHECK-NEXT: call void @llvm.masked.scatter.v8i32.v8p0(<8 x i32> [[STEP_ADD6]], <8 x ptr> [[TMP3]], i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>)
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; CHECK-NEXT: call void @llvm.masked.scatter.v8i32.v8p0(<8 x i32> [[STEP_ADD7]], <8 x ptr> [[TMP4]], i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>)
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32
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; CHECK-NEXT: [[VEC_IND_NEXT]] = add <8 x i64> [[STEP_ADD2]], <i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8, i64 8>
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; CHECK-NEXT: [[VEC_IND_NEXT9]] = add <8 x i32> [[STEP_ADD7]], <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
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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 [[LOOP0:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[GEP:%.*]] = getelementptr { i32, [8 x i32] }, ptr [[DST]], i64 [[IV]]
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; CHECK-NEXT: [[T:%.*]] = trunc i64 [[IV]] to i32
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; CHECK-NEXT: store i32 [[T]], ptr [[GEP]], align 8
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[IV]], [[N]]
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; CHECK-NEXT: br i1 [[C]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret i32 0
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;
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entry:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%gep = getelementptr { i32, [ 8 x i32 ]}, ptr %dst, i64 %iv
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%t = trunc i64 %iv to i32
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store i32 %t, ptr %gep, align 8
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%iv.next = add i64 %iv, 1
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%c = icmp eq i64 %iv, %N
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br i1 %c, label %exit, label %loop
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exit:
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ret i32 0
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}
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define void @multiple_truncated_ivs_with_wide_uses(i1 %c, ptr %A, ptr %B) {
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; CHECK-LABEL: define void @multiple_truncated_ivs_with_wide_uses(
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; CHECK-SAME: i1 [[C:%.*]], ptr [[A:%.*]], ptr [[B:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
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; CHECK: vector.memcheck:
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; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[A]], i64 130
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; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[B]], i64 260
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; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[A]], [[SCEVGEP1]]
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; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[B]], [[SCEVGEP]]
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; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
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; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], 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 i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 0, i16 1, i16 2, i16 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_IND3:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[STEP_ADD:%.*]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
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; CHECK-NEXT: [[STEP_ADD4:%.*]] = add <4 x i32> [[VEC_IND3]], <i32 4, i32 4, i32 4, i32 4>
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; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[C]], <4 x i16> [[VEC_IND]], <4 x i16> <i16 10, i16 10, i16 10, i16 10>
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; CHECK-NEXT: [[TMP3:%.*]] = select i1 [[C]], <4 x i16> [[STEP_ADD]], <4 x i16> <i16 10, i16 10, i16 10, i16 10>
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i16, ptr [[A]], i64 [[TMP0]]
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i16, ptr [[A]], i64 [[TMP1]]
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; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i16, ptr [[TMP4]], i32 0
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i16, ptr [[TMP4]], i32 4
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; CHECK-NEXT: store <4 x i16> [[TMP2]], ptr [[TMP6]], align 2, !alias.scope [[META4:![0-9]+]], !noalias [[META7:![0-9]+]]
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; CHECK-NEXT: store <4 x i16> [[TMP3]], ptr [[TMP7]], align 2, !alias.scope [[META4]], !noalias [[META7]]
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i32, ptr [[B]], i64 [[TMP0]]
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; CHECK-NEXT: [[TMP9:%.*]] = getelementptr i32, ptr [[B]], i64 [[TMP1]]
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; CHECK-NEXT: [[TMP10:%.*]] = getelementptr i32, ptr [[TMP8]], i32 0
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i32, ptr [[TMP8]], i32 4
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; CHECK-NEXT: store <4 x i32> [[VEC_IND3]], ptr [[TMP10]], align 4, !alias.scope [[META7]]
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; CHECK-NEXT: store <4 x i32> [[STEP_ADD4]], ptr [[TMP11]], align 4, !alias.scope [[META7]]
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
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; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[STEP_ADD]], <i16 4, i16 4, i16 4, i16 4>
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; CHECK-NEXT: [[VEC_IND_NEXT6]] = add <4 x i32> [[STEP_ADD4]], <i32 4, i32 4, i32 4, i32 4>
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; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 64
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; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 64, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV_16:%.*]] = trunc i64 [[IV]] to i16
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; CHECK-NEXT: [[IV_32:%.*]] = trunc i64 [[IV]] to i32
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C]], i16 [[IV_16]], i16 10
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; CHECK-NEXT: [[GEP_A:%.*]] = getelementptr i16, ptr [[A]], i64 [[IV]]
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; CHECK-NEXT: store i16 [[SEL]], ptr [[GEP_A]], align 2
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; CHECK-NEXT: [[GEP_B:%.*]] = getelementptr i32, ptr [[B]], i64 [[IV]]
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; CHECK-NEXT: store i32 [[IV_32]], ptr [[GEP_B]], align 4
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV]], 64
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; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP10:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%iv.16 = trunc i64 %iv to i16
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%iv.32 = trunc i64 %iv to i32
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%sel = select i1 %c, i16 %iv.16, i16 10
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%gep.A = getelementptr i16, ptr %A, i64 %iv
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store i16 %sel, ptr %gep.A
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%gep.B = getelementptr i32, ptr %B, i64 %iv
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store i32 %iv.32, ptr %gep.B
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%iv.next = add i64 %iv, 1
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%ec = icmp eq i64 %iv, 64
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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define void @truncated_ivs_with_wide_and_scalar_uses(i1 %c, ptr %dst) {
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; CHECK-LABEL: define void @truncated_ivs_with_wide_and_scalar_uses(
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; CHECK-SAME: i1 [[C:%.*]], ptr [[DST:%.*]]) {
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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 i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_IND:%.*]] = phi <8 x i16> [ <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[STEP_ADD:%.*]] = add <8 x i16> [[VEC_IND]], <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8>
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; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[INDEX]] to i32
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; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], 0
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; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP0]], 8
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i16, ptr [[DST]], i32 [[TMP1]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i16, ptr [[DST]], i32 [[TMP2]]
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; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[C]], <8 x i16> [[VEC_IND]], <8 x i16> <i16 10, i16 10, i16 10, i16 10, i16 10, i16 10, i16 10, i16 10>
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; CHECK-NEXT: [[TMP6:%.*]] = select i1 [[C]], <8 x i16> [[STEP_ADD]], <8 x i16> <i16 10, i16 10, i16 10, i16 10, i16 10, i16 10, i16 10, i16 10>
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i16, ptr [[TMP3]], i32 0
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i16, ptr [[TMP3]], i32 8
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; CHECK-NEXT: store <8 x i16> [[TMP5]], ptr [[TMP7]], align 2
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; CHECK-NEXT: store <8 x i16> [[TMP6]], ptr [[TMP8]], align 2
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
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; CHECK-NEXT: [[VEC_IND_NEXT]] = add <8 x i16> [[STEP_ADD]], <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8>
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; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], 64
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; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 64, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[IV_16:%.*]] = trunc i64 [[IV]] to i16
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; CHECK-NEXT: [[IV_32:%.*]] = trunc i64 [[IV]] to i32
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; CHECK-NEXT: [[GEP:%.*]] = getelementptr i16, ptr [[DST]], i32 [[IV_32]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C]], i16 [[IV_16]], i16 10
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; CHECK-NEXT: store i16 [[SEL]], ptr [[GEP]], align 2
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; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
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; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV]], 64
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; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP12:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%iv.16 = trunc i64 %iv to i16
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%iv.32 = trunc i64 %iv to i32
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%gep = getelementptr i16, ptr %dst, i32 %iv.32
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%sel = select i1 %c, i16 %iv.16, i16 10
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store i16 %sel, ptr %gep
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%iv.next = add i64 %iv, 1
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%ec = icmp eq i64 %iv, 64
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br i1 %ec, label %exit, label %loop
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exit:
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ret void
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}
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attributes #0 = { "min-legal-vector-width"="0" "target-cpu"="skylake-avx512" }
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;.
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; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
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; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
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; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
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; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
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; CHECK: [[META4]] = !{[[META5:![0-9]+]]}
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; CHECK: [[META5]] = distinct !{[[META5]], [[META6:![0-9]+]]}
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; CHECK: [[META6]] = distinct !{[[META6]], !"LVerDomain"}
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; CHECK: [[META7]] = !{[[META8:![0-9]+]]}
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; CHECK: [[META8]] = distinct !{[[META8]], [[META6]]}
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; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META2]]}
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; CHECK: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]]}
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; CHECK: [[LOOP11]] = distinct !{[[LOOP11]], [[META1]], [[META2]]}
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; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META2]], [[META1]]}
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;.
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