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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8558 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
622 B
LLVM
23 lines
622 B
LLVM
; This testcase can be simplified by "realizing" that alloca can never return
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; null.
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; RUN: llvm-as < %s | opt -instcombine -simplifycfg | llvm-dis | not grep 'br '
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implementation ; Functions:
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declare int %bitmap_clear(...)
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int %oof() {
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entry:
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%live_head = alloca int ; <int*> [#uses=2]
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%tmp.1 = setne int* %live_head, null ; <bool> [#uses=1]
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br bool %tmp.1, label %then, label %UnifiedExitNode
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then:
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%tmp.4 = call int (...)* %bitmap_clear( int* %live_head ) ; <int> [#uses=0]
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br label %UnifiedExitNode
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UnifiedExitNode:
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ret int 0
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}
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