forked from OSchip/llvm-project
14 lines
513 B
LLVM
14 lines
513 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep icmp
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; PR1646
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@__gthrw_pthread_cancel = alias weak i32 (i32)* @pthread_cancel ; <i32 (i32)*> [#uses=1]
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@__gthread_active_ptr.5335 = internal constant i8* bitcast (i32 (i32)* @__gthrw_pthread_cancel to i8*) ; <i8**> [#uses=1]
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declare extern_weak i32 @pthread_cancel(i32)
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define i1 @__gthread_active_p() {
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entry:
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%tmp1 = load i8** @__gthread_active_ptr.5335, align 4 ; <i8*> [#uses=1]
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%tmp2 = icmp ne i8* %tmp1, null ; <i1> [#uses=1]
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ret i1 %tmp2
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}
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