| ; 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 |
| } |