forked from OSchip/llvm-project
103 lines
3.5 KiB
LLVM
103 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-- -mattr=+avx | FileCheck %s --check-prefixes=CHECK,AVX1
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; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-- -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX2
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define float @matching_scalar(<4 x float>* dereferenceable(16) %p) {
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; CHECK-LABEL: @matching_scalar(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to float*
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; CHECK-NEXT: [[R:%.*]] = load float, float* [[BC]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%bc = bitcast <4 x float>* %p to float*
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%r = load float, float* %bc, align 16
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ret float %r
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}
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define i32 @nonmatching_scalar(<4 x float>* dereferenceable(16) %p) {
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; CHECK-LABEL: @nonmatching_scalar(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i32*
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; CHECK-NEXT: [[R:%.*]] = load i32, i32* [[BC]], align 16
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; CHECK-NEXT: ret i32 [[R]]
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;
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%bc = bitcast <4 x float>* %p to i32*
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%r = load i32, i32* %bc, align 16
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ret i32 %r
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}
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define i64 @larger_scalar(<4 x float>* dereferenceable(16) %p) {
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; CHECK-LABEL: @larger_scalar(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i64*
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; CHECK-NEXT: [[R:%.*]] = load i64, i64* [[BC]], align 16
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; CHECK-NEXT: ret i64 [[R]]
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;
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%bc = bitcast <4 x float>* %p to i64*
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%r = load i64, i64* %bc, align 16
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ret i64 %r
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}
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define i8 @smaller_scalar(<4 x float>* dereferenceable(16) %p) {
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; CHECK-LABEL: @smaller_scalar(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i8*
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; CHECK-NEXT: [[R:%.*]] = load i8, i8* [[BC]], align 16
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; CHECK-NEXT: ret i8 [[R]]
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;
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%bc = bitcast <4 x float>* %p to i8*
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%r = load i8, i8* %bc, align 16
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ret i8 %r
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}
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define i8 @smaller_scalar_256bit_vec(<8 x float>* dereferenceable(32) %p) {
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; CHECK-LABEL: @smaller_scalar_256bit_vec(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <8 x float>* [[P:%.*]] to i8*
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; CHECK-NEXT: [[R:%.*]] = load i8, i8* [[BC]], align 32
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; CHECK-NEXT: ret i8 [[R]]
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;
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%bc = bitcast <8 x float>* %p to i8*
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%r = load i8, i8* %bc, align 32
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ret i8 %r
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}
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define i8 @smaller_scalar_less_aligned(<4 x float>* dereferenceable(16) %p) {
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; CHECK-LABEL: @smaller_scalar_less_aligned(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i8*
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; CHECK-NEXT: [[R:%.*]] = load i8, i8* [[BC]], align 4
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; CHECK-NEXT: ret i8 [[R]]
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;
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%bc = bitcast <4 x float>* %p to i8*
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%r = load i8, i8* %bc, align 4
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ret i8 %r
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}
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define float @matching_scalar_small_deref(<4 x float>* dereferenceable(15) %p) {
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; CHECK-LABEL: @matching_scalar_small_deref(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to float*
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; CHECK-NEXT: [[R:%.*]] = load float, float* [[BC]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%bc = bitcast <4 x float>* %p to float*
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%r = load float, float* %bc, align 16
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ret float %r
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}
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define float @matching_scalar_volatile(<4 x float>* dereferenceable(16) %p) {
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; CHECK-LABEL: @matching_scalar_volatile(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to float*
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; CHECK-NEXT: [[R:%.*]] = load volatile float, float* [[BC]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%bc = bitcast <4 x float>* %p to float*
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%r = load volatile float, float* %bc, align 16
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ret float %r
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}
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define float @nonvector(double* dereferenceable(16) %p) {
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; CHECK-LABEL: @nonvector(
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; CHECK-NEXT: [[BC:%.*]] = bitcast double* [[P:%.*]] to float*
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; CHECK-NEXT: [[R:%.*]] = load float, float* [[BC]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%bc = bitcast double* %p to float*
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%r = load float, float* %bc, align 16
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ret float %r
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}
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