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https://github.com/c64scene-ar/llvm-6502.git
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df0b94bcea
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112851 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
451 B
LLVM
25 lines
451 B
LLVM
; RUN: opt -S < %s -correlated-propagation | FileCheck %s
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; CHECK: @test
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define i16 @test(i32 %a, i1 %b) {
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entry:
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%c = icmp eq i32 %a, 0
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br i1 %c, label %left, label %right
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right:
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%d = trunc i32 %a to i1
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br label %merge
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left:
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br i1 %b, label %merge, label %other
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other:
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ret i16 23
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merge:
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%f = phi i1 [%b, %left], [%d, %right]
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; CHECK: select i1 %f, i16 1, i16 0
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%h = select i1 %f, i16 1, i16 0
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; CHECK: ret i16 %h
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ret i16 %h
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} |