54 lines
1.1 KiB
LLVM
54 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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define i32 @sub_self(i32 %A) {
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; CHECK-LABEL: @sub_self(
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; CHECK-NEXT: ret i32 0
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;
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%B = sub i32 %A, %A
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ret i32 %B
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}
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define <2 x i32> @sub_self_vec(<2 x i32> %A) {
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; CHECK-LABEL: @sub_self_vec(
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; CHECK-NEXT: ret <2 x i32> zeroinitializer
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;
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%B = sub <2 x i32> %A, %A
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ret <2 x i32> %B
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}
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define i32 @sub_zero(i32 %A) {
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; CHECK-LABEL: @sub_zero(
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; CHECK-NEXT: ret i32 [[A:%.*]]
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;
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%B = sub i32 %A, 0
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ret i32 %B
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}
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define <2 x i32> @sub_zero_vec(<2 x i32> %A) {
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; CHECK-LABEL: @sub_zero_vec(
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; CHECK-NEXT: ret <2 x i32> [[A:%.*]]
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;
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%B = sub <2 x i32> %A, <i32 0, i32 undef>
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ret <2 x i32> %B
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}
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define i32 @neg_neg(i32 %A) {
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; CHECK-LABEL: @neg_neg(
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; CHECK-NEXT: ret i32 [[A:%.*]]
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;
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%B = sub i32 0, %A
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%C = sub i32 0, %B
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ret i32 %C
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}
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define <2 x i32> @neg_neg_vec(<2 x i32> %A) {
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; CHECK-LABEL: @neg_neg_vec(
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; CHECK-NEXT: ret <2 x i32> [[A:%.*]]
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;
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%B = sub <2 x i32> <i32 0, i32 undef>, %A
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%C = sub <2 x i32> <i32 0, i32 undef>, %B
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ret <2 x i32> %C
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}
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