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 <2 x i1> @test1(<2 x i1> %a) {
|
||
|
|
; CHECK-LABEL: @test1(
|
||
|
|
; CHECK-NEXT: ret <2 x i1> zeroinitializer
|
||
|
|
;
|
||
|
|
%b = and <2 x i1> %a, <i1 true, i1 false>
|
||
|
|
%res = mul <2 x i1> %b, <i1 false, i1 true>
|
||
|
|
ret <2 x i1> %res
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @mul_by_1(i32 %A) {
|
||
|
|
; CHECK-LABEL: @mul_by_1(
|
||
|
|
; CHECK-NEXT: ret i32 [[A:%.*]]
|
||
|
|
;
|
||
|
|
%B = mul i32 %A, 1
|
||
|
|
ret i32 %B
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @mul_by_0(i32 %A) {
|
||
|
|
; CHECK-LABEL: @mul_by_0(
|
||
|
|
; CHECK-NEXT: ret i32 0
|
||
|
|
;
|
||
|
|
%B = mul i32 %A, 0
|
||
|
|
ret i32 %B
|
||
|
|
}
|
||
|
|
|
||
|
|
define <16 x i8> @mul_by_0_vec(<16 x i8> %a) {
|
||
|
|
; CHECK-LABEL: @mul_by_0_vec(
|
||
|
|
; CHECK-NEXT: ret <16 x i8> zeroinitializer
|
||
|
|
;
|
||
|
|
%b = mul <16 x i8> %a, zeroinitializer
|
||
|
|
ret <16 x i8> %b
|
||
|
|
}
|
||
|
|
|
||
|
|
define <2 x i8> @mul_by_0_vec_undef_elt(<2 x i8> %a) {
|
||
|
|
; CHECK-LABEL: @mul_by_0_vec_undef_elt(
|
||
|
|
; CHECK-NEXT: ret <2 x i8> zeroinitializer
|
||
|
|
;
|
||
|
|
%b = mul <2 x i8> %a, <i8 undef, i8 0>
|
||
|
|
ret <2 x i8> %b
|
||
|
|
}
|
||
|
|
|
||
|
|
; TODO: this should be poison
|
||
|
|
|
||
|
|
define i32 @poison(i32 %x) {
|
||
|
|
; CHECK-LABEL: @poison(
|
||
|
|
; CHECK-NEXT: ret i32 0
|
||
|
|
;
|
||
|
|
%v = mul i32 %x, poison
|
||
|
|
ret i32 %v
|
||
|
|
}
|