forked from OSchip/llvm-project
39 lines
1.9 KiB
LLVM
39 lines
1.9 KiB
LLVM
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -load-store-vectorizer -mcpu haswell -S -o - %s | FileCheck --check-prefix=CHECK-HSW %s
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; RUN: opt -mtriple=x86_64-unknown-linux-gnu -load-store-vectorizer -mcpu knl -S -o - %s | FileCheck --check-prefix=CHECK-KNL %s
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define <8 x double> @loadwidth_insert_extract(double* %ptr) {
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%a = bitcast double* %ptr to <2 x double> *
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%b = getelementptr <2 x double>, <2 x double>* %a, i32 1
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%c = getelementptr <2 x double>, <2 x double>* %a, i32 2
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%d = getelementptr <2 x double>, <2 x double>* %a, i32 3
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; CHECK-HSW: load <4 x double>
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; CHECK-HSW: load <4 x double>
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; CHECK-HSW-NOT: load
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; CHECK-KNL: load <8 x double>
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; CHECK-KNL-NOT: load
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%la = load <2 x double>, <2 x double> *%a
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%lb = load <2 x double>, <2 x double> *%b
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%lc = load <2 x double>, <2 x double> *%c
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%ld = load <2 x double>, <2 x double> *%d
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; Scalarize everything - Explicitly not a shufflevector to test this code
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; path in the LSV
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%v1 = extractelement <2 x double> %la, i32 0
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%v2 = extractelement <2 x double> %la, i32 1
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%v3 = extractelement <2 x double> %lb, i32 0
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%v4 = extractelement <2 x double> %lb, i32 1
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%v5 = extractelement <2 x double> %lc, i32 0
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%v6 = extractelement <2 x double> %lc, i32 1
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%v7 = extractelement <2 x double> %ld, i32 0
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%v8 = extractelement <2 x double> %ld, i32 1
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; Make a vector again
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%i1 = insertelement <8 x double> undef, double %v1, i32 0
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%i2 = insertelement <8 x double> %i1, double %v2, i32 1
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%i3 = insertelement <8 x double> %i2, double %v3, i32 2
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%i4 = insertelement <8 x double> %i3, double %v4, i32 3
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%i5 = insertelement <8 x double> %i4, double %v5, i32 4
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%i6 = insertelement <8 x double> %i5, double %v6, i32 5
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%i7 = insertelement <8 x double> %i6, double %v7, i32 6
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%i8 = insertelement <8 x double> %i7, double %v8, i32 7
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ret <8 x double> %i8
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}
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