34 lines
1.7 KiB
LLVM
34 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
|
|
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
|
|
|
|
define void @test_undef(ptr %in_ptr, ptr %out_ptr) {
|
|
; CHECK-LABEL: define void @test_undef(
|
|
; CHECK-SAME: ptr [[IN_PTR:%.*]], ptr [[OUT_PTR:%.*]]) {
|
|
; CHECK-NEXT: [[A:%.*]] = load <4 x float>, ptr [[IN_PTR]], align 16
|
|
; CHECK-NEXT: [[D:%.*]] = shufflevector <4 x float> [[A]], <4 x float> poison, <4 x i32> zeroinitializer
|
|
; CHECK-NEXT: store <4 x float> [[D]], ptr [[OUT_PTR]], align 16
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%A = load <4 x float>, ptr %in_ptr, align 16
|
|
%B = shufflevector <4 x float> %A, <4 x float> undef, <4 x i32> <i32 0, i32 0, i32 undef, i32 undef>
|
|
%C = shufflevector <4 x float> %B, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 4, i32 undef>
|
|
%D = shufflevector <4 x float> %C, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 2, i32 4>
|
|
store <4 x float> %D, ptr %out_ptr
|
|
ret void
|
|
}
|
|
|
|
define void @test_poison(ptr %in_ptr, ptr %out_ptr) {
|
|
; CHECK-LABEL: define void @test_poison(
|
|
; CHECK-SAME: ptr [[IN_PTR:%.*]], ptr [[OUT_PTR:%.*]]) {
|
|
; CHECK-NEXT: [[A:%.*]] = load <4 x float>, ptr [[IN_PTR]], align 16
|
|
; CHECK-NEXT: [[D:%.*]] = shufflevector <4 x float> [[A]], <4 x float> poison, <4 x i32> zeroinitializer
|
|
; CHECK-NEXT: store <4 x float> [[D]], ptr [[OUT_PTR]], align 16
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%A = load <4 x float>, ptr %in_ptr, align 16
|
|
%B = shufflevector <4 x float> %A, <4 x float> poison, <4 x i32> <i32 0, i32 0, i32 undef, i32 undef>
|
|
%C = shufflevector <4 x float> %B, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 4, i32 undef>
|
|
%D = shufflevector <4 x float> %C, <4 x float> %A, <4 x i32> <i32 0, i32 1, i32 2, i32 4>
|
|
store <4 x float> %D, ptr %out_ptr
|
|
ret void
|
|
}
|