forked from OSchip/llvm-project
91 lines
3.1 KiB
LLVM
91 lines
3.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -instcombine -S < %s | FileCheck %s
|
|
|
|
define float @matching_scalar(<4 x float>* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @matching_scalar(
|
|
; CHECK-NEXT: [[BC:%.*]] = getelementptr inbounds <4 x float>, <4 x float>* [[P:%.*]], i64 0, i64 0
|
|
; CHECK-NEXT: [[R:%.*]] = load float, float* [[BC]], align 16
|
|
; CHECK-NEXT: ret float [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to float*
|
|
%r = load float, float* %bc, align 16
|
|
ret float %r
|
|
}
|
|
|
|
define i32 @nonmatching_scalar(<4 x float>* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @nonmatching_scalar(
|
|
; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i32*
|
|
; CHECK-NEXT: [[R:%.*]] = load i32, i32* [[BC]], align 16
|
|
; CHECK-NEXT: ret i32 [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to i32*
|
|
%r = load i32, i32* %bc, align 16
|
|
ret i32 %r
|
|
}
|
|
|
|
define i64 @larger_scalar(<4 x float>* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @larger_scalar(
|
|
; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i64*
|
|
; CHECK-NEXT: [[R:%.*]] = load i64, i64* [[BC]], align 16
|
|
; CHECK-NEXT: ret i64 [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to i64*
|
|
%r = load i64, i64* %bc, align 16
|
|
ret i64 %r
|
|
}
|
|
|
|
define i8 @smaller_scalar(<4 x float>* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @smaller_scalar(
|
|
; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i8*
|
|
; CHECK-NEXT: [[R:%.*]] = load i8, i8* [[BC]], align 16
|
|
; CHECK-NEXT: ret i8 [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to i8*
|
|
%r = load i8, i8* %bc, align 16
|
|
ret i8 %r
|
|
}
|
|
|
|
define i8 @smaller_scalar_less_aligned(<4 x float>* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @smaller_scalar_less_aligned(
|
|
; CHECK-NEXT: [[BC:%.*]] = bitcast <4 x float>* [[P:%.*]] to i8*
|
|
; CHECK-NEXT: [[R:%.*]] = load i8, i8* [[BC]], align 4
|
|
; CHECK-NEXT: ret i8 [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to i8*
|
|
%r = load i8, i8* %bc, align 4
|
|
ret i8 %r
|
|
}
|
|
|
|
define float @matching_scalar_small_deref(<4 x float>* dereferenceable(15) %p) {
|
|
; CHECK-LABEL: @matching_scalar_small_deref(
|
|
; CHECK-NEXT: [[BC:%.*]] = getelementptr inbounds <4 x float>, <4 x float>* [[P:%.*]], i64 0, i64 0
|
|
; CHECK-NEXT: [[R:%.*]] = load float, float* [[BC]], align 16
|
|
; CHECK-NEXT: ret float [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to float*
|
|
%r = load float, float* %bc, align 16
|
|
ret float %r
|
|
}
|
|
|
|
define float @matching_scalar_volatile(<4 x float>* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @matching_scalar_volatile(
|
|
; CHECK-NEXT: [[BC:%.*]] = getelementptr inbounds <4 x float>, <4 x float>* [[P:%.*]], i64 0, i64 0
|
|
; CHECK-NEXT: [[R:%.*]] = load volatile float, float* [[BC]], align 16
|
|
; CHECK-NEXT: ret float [[R]]
|
|
;
|
|
%bc = bitcast <4 x float>* %p to float*
|
|
%r = load volatile float, float* %bc, align 16
|
|
ret float %r
|
|
}
|
|
|
|
define float @nonvector(double* dereferenceable(16) %p) {
|
|
; CHECK-LABEL: @nonvector(
|
|
; CHECK-NEXT: [[BC:%.*]] = bitcast double* [[P:%.*]] to float*
|
|
; CHECK-NEXT: [[R:%.*]] = load float, float* [[BC]], align 16
|
|
; CHECK-NEXT: ret float [[R]]
|
|
;
|
|
%bc = bitcast double* %p to float*
|
|
%r = load float, float* %bc, align 16
|
|
ret float %r
|
|
}
|