a65a5feb1a
If the vector of loads can be vectorized as masked gather and there are several other masked gather nodes, compiler can try to attempt to check, if it possible to gather such nodes into big consecutive/strided loads node, which provide better performance. Reviewers: RKSimon Reviewed By: RKSimon Pull Request: https://github.com/llvm/llvm-project/pull/110151
49 lines
2.5 KiB
LLVM
49 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -S --passes=slp-vectorizer -mtriple=riscv64-unknown-linux -pass-remarks-output=%t -mattr=+v -slp-threshold=-10 < %s | FileCheck %s
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; RUN: FileCheck %s --check-prefix=YAML < %t
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; YAML-LABEL: --- !Passed
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; YAML-NEXT: Pass: slp-vectorizer
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; YAML-NEXT: Name: StoresVectorized
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; YAML-NEXT: Function: test
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; YAML-NEXT: Args:
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; YAML-NEXT: - String: 'Stores SLP vectorized with cost '
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; YAML-NEXT: - Cost: '0'
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; YAML-NEXT: - String: ' and with tree size '
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; YAML-NEXT: - TreeSize: '9'
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define void @test() {
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; CHECK-LABEL: define void @test(
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; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP2:%.*]] = load float, ptr null, align 4
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; CHECK-NEXT: [[TMP5:%.*]] = call <2 x float> @llvm.masked.gather.v2f32.v2p0(<2 x ptr> zeroinitializer, i32 4, <2 x i1> <i1 true, i1 true>, <2 x float> poison)
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x float> <float poison, float 0.000000e+00>, float [[TMP2]], i32 0
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; CHECK-NEXT: [[TMP6:%.*]] = fcmp ogt <2 x float> [[TMP3]], [[TMP5]]
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; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <2 x i1> [[TMP6]], <2 x i1> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
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; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <2 x float> [[TMP5]], <2 x float> [[TMP3]], <4 x i32> <i32 0, i32 1, i32 2, i32 poison>
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; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <4 x float> [[TMP8]], <4 x float> <float poison, float poison, float poison, float 0.000000e+00>, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
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; CHECK-NEXT: [[TMP10:%.*]] = select <4 x i1> [[TMP7]], <4 x float> [[TMP9]], <4 x float> zeroinitializer
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; CHECK-NEXT: store <4 x float> [[TMP10]], ptr null, align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%0 = load float, ptr null, align 4
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%1 = load float, ptr null, align 4
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%2 = load float, ptr null, align 4
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%cmp.i = fcmp ogt float %1, %0
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%v14.0 = select i1 %cmp.i, float %1, float 0.000000e+00
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%v0.0 = select i1 %cmp.i, float %0, float 0.000000e+00
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%cmp4.i = fcmp ogt float 0.000000e+00, %2
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%v19.0 = select i1 %cmp4.i, float 0.000000e+00, float 0.000000e+00
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%v9.0 = select i1 %cmp4.i, float %2, float 0.000000e+00
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store float %v0.0, ptr null, align 4
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%v9idx = getelementptr i8, ptr null, i32 4
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store float %v9.0, ptr %v9idx, align 4
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%v14idx = getelementptr i8, ptr null, i32 8
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store float %v14.0, ptr %v14idx, align 4
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%v19idx = getelementptr i8, ptr null, i32 12
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store float %v19.0, ptr %v19idx, align 4
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ret void
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}
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