forked from OSchip/llvm-project
41 lines
1.5 KiB
LLVM
41 lines
1.5 KiB
LLVM
; RUN: llvm-upgrade < %s | llvm-as | opt -adce -simplifycfg | llvm-dis | not grep then:
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void %dead_test8(int* %data.1, int %idx.1) {
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entry: ; No predecessors!
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%tmp.1 = load int* %data.1 ; <int> [#uses=2]
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%tmp.41 = setgt int %tmp.1, 0 ; <bool> [#uses=1]
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br bool %tmp.41, label %no_exit.preheader, label %return
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no_exit.preheader: ; preds = %entry
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%tmp.11 = getelementptr int* %data.1, long 1 ; <int*> [#uses=1]
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%tmp.22-idxcast = cast int %idx.1 to long ; <long> [#uses=1]
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%tmp.28 = getelementptr int* %data.1, long %tmp.22-idxcast ; <int*> [#uses=1]
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br label %no_exit
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no_exit: ; preds = %no_exit.preheader, %endif
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%k.1 = phi int [ %k.0, %endif ], [ 0, %no_exit.preheader ] ; <int> [#uses=3]
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%i.0 = phi int [ %inc.1, %endif ], [ 0, %no_exit.preheader ] ; <int> [#uses=1]
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%tmp.12 = load int* %tmp.11 ; <int> [#uses=1]
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%tmp.14 = sub int 0, %tmp.12 ; <int> [#uses=1]
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%tmp.161 = setne int %k.1, %tmp.14 ; <bool> [#uses=1]
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br bool %tmp.161, label %then, label %else
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then: ; preds = %no_exit
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%inc.0 = add int %k.1, 1 ; <int> [#uses=1]
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br label %endif
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else: ; preds = %no_exit
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%dec = add int %k.1, -1 ; <int> [#uses=1]
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br label %endif
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endif: ; preds = %else, %then
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%k.0 = phi int [ %dec, %else ], [ %inc.0, %then ] ; <int> [#uses=1]
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store int 2, int* %tmp.28
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%inc.1 = add int %i.0, 1 ; <int> [#uses=2]
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%tmp.4 = setlt int %inc.1, %tmp.1 ; <bool> [#uses=1]
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br bool %tmp.4, label %no_exit, label %return
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return: ; preds = %entry, %endif
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ret void
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}
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