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05450ae128
and simplifies expressions. This implements the optimization described in PR807. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29947 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
383 B
LLVM
22 lines
383 B
LLVM
; RUN: llvm-as < %s | opt -predsimplify -simplifycfg | llvm-dis | grep pass
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void %regtest(int %x) {
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entry:
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%A = seteq int %x, 0
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br bool %A, label %middle, label %after
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middle:
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br label %after
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after:
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%B = seteq int %x, 0
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br bool %B, label %then, label %else
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then:
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br label %end
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else:
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call void (...)* %pass( )
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br label %end
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end:
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ret void
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}
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declare void %pass(...)
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