240aff80e0
Summary: This commit adds basic tests for these update script to validate that they still work as expected. In the future we could extend these tests whenever new features are added to avoid introducing regressions. Reviewers: xbolva00, MaskRay, jdoerfert Reviewed By: jdoerfert Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D70660
50 lines
1.2 KiB
LLVM
50 lines
1.2 KiB
LLVM
; Example input for update_llc_test_checks (taken from test/Transforms/InstSimplify/add.ll)
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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define i32 @common_sub_operand(i32 %X, i32 %Y) {
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; CHECK-LABEL: @common_sub_operand(
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; CHECK-NEXT: ret i32 [[X:%.*]]
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;
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%Z = sub i32 %X, %Y
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%Q = add i32 %Z, %Y
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ret i32 %Q
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}
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define i32 @negated_operand(i32 %x) {
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; CHECK-LABEL: @negated_operand(
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; CHECK-NEXT: ret i32 0
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;
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%negx = sub i32 0, %x
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%r = add i32 %negx, %x
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ret i32 %r
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}
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define <2 x i32> @negated_operand_commute_vec(<2 x i32> %x) {
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; CHECK-LABEL: @negated_operand_commute_vec(
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; CHECK-NEXT: ret <2 x i32> zeroinitializer
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;
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%negx = sub <2 x i32> zeroinitializer, %x
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%r = add <2 x i32> %x, %negx
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ret <2 x i32> %r
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}
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define i8 @knownnegation(i8 %x, i8 %y) {
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; CHECK-LABEL: @knownnegation(
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; CHECK-NEXT: ret i8 0
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;
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%xy = sub i8 %x, %y
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%yx = sub i8 %y, %x
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%r = add i8 %xy, %yx
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ret i8 %r
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}
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define <2 x i8> @knownnegation_commute_vec(<2 x i8> %x, <2 x i8> %y) {
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; CHECK-LABEL: @knownnegation_commute_vec(
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; CHECK-NEXT: ret <2 x i8> zeroinitializer
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;
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%xy = sub <2 x i8> %x, %y
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%yx = sub <2 x i8> %y, %x
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%r = add <2 x i8> %yx, %xy
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ret <2 x i8> %r
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}
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