26 lines
704 B
LLVM
26 lines
704 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=reassociate < %s | FileCheck %s
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define i32 @test(i1 %b) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: [[RES:%.*]] = callbr i32 asm "", "=r,!i"()
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; CHECK-NEXT: to label [[NORMAL:%.*]] [label %abnormal]
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; CHECK: normal:
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; CHECK-NEXT: [[FACTOR:%.*]] = mul i32 [[RES]], -2
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; CHECK-NEXT: [[SUB2:%.*]] = add i32 [[FACTOR]], 5
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; CHECK-NEXT: ret i32 [[SUB2]]
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; CHECK: abnormal:
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; CHECK-NEXT: ret i32 0
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;
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%res = callbr i32 asm "", "=r,!i"()
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to label %normal [label %abnormal]
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normal:
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%sub1 = sub nsw i32 5, %res
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%sub2 = sub nsw i32 %sub1, %res
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ret i32 %sub2
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abnormal:
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ret i32 0
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}
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