Mercurial > hg > CbC > CbC_llvm
view llvm/test/Transforms/Reassociate/callbr.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=reassociate < %s | FileCheck %s define i32 @test(i1 %b) { ; CHECK-LABEL: @test( ; CHECK-NEXT: [[RES:%.*]] = callbr i32 asm "", "=r,!i"() ; CHECK-NEXT: to label [[NORMAL:%.*]] [label %abnormal] ; CHECK: normal: ; CHECK-NEXT: [[RES_NEG:%.*]] = sub i32 0, [[RES]] ; CHECK-NEXT: [[SUB1:%.*]] = add i32 [[RES_NEG]], 5 ; CHECK-NEXT: [[RES_NEG1:%.*]] = sub i32 0, [[RES]] ; CHECK-NEXT: [[SUB2:%.*]] = add i32 [[SUB1]], [[RES_NEG1]] ; CHECK-NEXT: ret i32 [[SUB2]] ; CHECK: abnormal: ; CHECK-NEXT: ret i32 0 ; %res = callbr i32 asm "", "=r,!i"() to label %normal [label %abnormal] normal: %sub1 = sub nsw i32 5, %res %sub2 = sub nsw i32 %sub1, %res ret i32 %sub2 abnormal: ret i32 0 }