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ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
819 B
Plaintext
28 lines
819 B
Plaintext
; This testcase was failing because without merging the return blocks, ADCE
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; didn't know that it could get rid of the then.0 block.
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; RUN: llvm-as < %s | opt -adce | llvm-dis | not grep load
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define void @main(i32 %argc, i8** %argv) {
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entry:
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call void @__main( )
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%tmp.1 = icmp ule i32 %argc, 5 ; <i1> [#uses=1]
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br i1 %tmp.1, label %then.0, label %return
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then.0: ; preds = %entry
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%tmp.8 = load i8** %argv ; <i8*> [#uses=1]
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%tmp.10 = load i8* %tmp.8 ; <i8> [#uses=1]
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%tmp.11 = icmp eq i8 %tmp.10, 98 ; <i1> [#uses=1]
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br i1 %tmp.11, label %then.1, label %return
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then.1: ; preds = %then.0
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ret void
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return: ; preds = %then.0, %entry
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ret void
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}
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declare void @__main()
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