38 lines
1.5 KiB
LLVM
38 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S < %s -slp-vectorizer -slp-max-reg-size=128 -slp-min-reg-size=128 | FileCheck %s
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declare void @llvm.sideeffect()
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; SLP vectorization across a @llvm.sideeffect.
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define void @test(float* %p) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
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; CHECK-NEXT: [[P1:%.*]] = getelementptr float, float* [[P]], i64 1
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; CHECK-NEXT: [[P2:%.*]] = getelementptr float, float* [[P]], i64 2
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; CHECK-NEXT: [[P3:%.*]] = getelementptr float, float* [[P]], i64 3
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; CHECK-NEXT: call void @llvm.sideeffect()
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>*
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; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 4
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; CHECK-NEXT: call void @llvm.sideeffect()
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[P0]] to <4 x float>*
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; CHECK-NEXT: store <4 x float> [[TMP2]], <4 x float>* [[TMP3]], align 4
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; CHECK-NEXT: ret void
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;
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%p0 = getelementptr float, float* %p, i64 0
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%p1 = getelementptr float, float* %p, i64 1
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%p2 = getelementptr float, float* %p, i64 2
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%p3 = getelementptr float, float* %p, i64 3
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%l0 = load float, float* %p0
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%l1 = load float, float* %p1
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%l2 = load float, float* %p2
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call void @llvm.sideeffect()
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%l3 = load float, float* %p3
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store float %l0, float* %p0
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call void @llvm.sideeffect()
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store float %l1, float* %p1
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store float %l2, float* %p2
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store float %l3, float* %p3
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ret void
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}
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