mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-07 11:38:04 +00:00
754f85cbae
These should all be handled using "dyn_castNegVal", but that misses vectors with undef elements. llvm-svn: 344790
54 lines
1.1 KiB
LLVM
54 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -instsimplify -S | FileCheck %s
|
|
|
|
define i32 @sub_self(i32 %A) {
|
|
; CHECK-LABEL: @sub_self(
|
|
; CHECK-NEXT: ret i32 0
|
|
;
|
|
%B = sub i32 %A, %A
|
|
ret i32 %B
|
|
}
|
|
|
|
define <2 x i32> @sub_self_vec(<2 x i32> %A) {
|
|
; CHECK-LABEL: @sub_self_vec(
|
|
; CHECK-NEXT: ret <2 x i32> zeroinitializer
|
|
;
|
|
%B = sub <2 x i32> %A, %A
|
|
ret <2 x i32> %B
|
|
}
|
|
|
|
define i32 @sub_zero(i32 %A) {
|
|
; CHECK-LABEL: @sub_zero(
|
|
; CHECK-NEXT: ret i32 [[A:%.*]]
|
|
;
|
|
%B = sub i32 %A, 0
|
|
ret i32 %B
|
|
}
|
|
|
|
define <2 x i32> @sub_zero_vec(<2 x i32> %A) {
|
|
; CHECK-LABEL: @sub_zero_vec(
|
|
; CHECK-NEXT: ret <2 x i32> [[A:%.*]]
|
|
;
|
|
%B = sub <2 x i32> %A, <i32 0, i32 undef>
|
|
ret <2 x i32> %B
|
|
}
|
|
|
|
define i32 @neg_neg(i32 %A) {
|
|
; CHECK-LABEL: @neg_neg(
|
|
; CHECK-NEXT: ret i32 [[A:%.*]]
|
|
;
|
|
%B = sub i32 0, %A
|
|
%C = sub i32 0, %B
|
|
ret i32 %C
|
|
}
|
|
|
|
define <2 x i32> @neg_neg_vec(<2 x i32> %A) {
|
|
; CHECK-LABEL: @neg_neg_vec(
|
|
; CHECK-NEXT: ret <2 x i32> [[A:%.*]]
|
|
;
|
|
%B = sub <2 x i32> <i32 0, i32 undef>, %A
|
|
%C = sub <2 x i32> <i32 0, i32 undef>, %B
|
|
ret <2 x i32> %C
|
|
}
|
|
|