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1eda0f60d7
Add some more micro-optimizations: x * 0 = 0, a - x = a --> x = 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35138 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
399 B
LLVM
20 lines
399 B
LLVM
; RUN: llvm-as < %s | opt -predsimplify | llvm-dis | grep -v %c
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define void @foo(i8* %X, i8* %Y) {
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entry:
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%A = load i8* %X
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%B = load i8* %Y
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%a = icmp ult i8 %B, 10
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br i1 %a, label %cond_true, label %URB
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cond_true:
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%b = icmp eq i8 %A, %B
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br i1 %b, label %cond_true2, label %URB
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cond_true2:
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%c = icmp ult i8 %A, 11
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call i8 @bar(i1 %c)
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ret void
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URB:
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ret void
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}
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declare i8 @bar(i1)
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