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Testcase for PR1678.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42171 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2007-09-20 18:56:24 +00:00
parent b7c8017208
commit d7944ca61c
1 changed files with 14 additions and 0 deletions
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test/Transforms/InstCombine/2007-09-17-AliasConstFold2.ll Normal file
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@ -0,0 +1,14 @@
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep icmp
; PR1678
@A = alias weak void ()* @B ; <void ()*> [#uses=1]
declare extern_weak void @B()
define i32 @active() {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp1 = icmp ne void ()* @A, null ; <i1> [#uses=1]
%tmp12 = zext i1 %tmp1 to i32 ; <i32> [#uses=1]
ret i32 %tmp12
}