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69ccadd753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32115 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
831 B
LLVM
29 lines
831 B
LLVM
; The i induction variable looks like a wrap-around, but it really is just
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; a simple affine IV. Make sure that indvars eliminates it.
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; RUN: llvm-upgrade < %s | llvm-as | opt -indvars | llvm-dis | grep phi | wc -l | grep 1
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void %foo() {
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entry:
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br label %bb6
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bb6: ; preds = %cond_true, %entry
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%j.0 = phi int [ 1, %entry ], [ %tmp5, %cond_true ] ; <int> [#uses=3]
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%i.0 = phi int [ 0, %entry ], [ %j.0, %cond_true ] ; <int> [#uses=1]
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%tmp7 = call int (...)* %foo2( ) ; <int> [#uses=1]
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%tmp = setne int %tmp7, 0 ; <bool> [#uses=1]
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br bool %tmp, label %cond_true, label %return
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cond_true: ; preds = %bb6
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%tmp2 = call int (...)* %bar( int %i.0, int %j.0 ) ; <int> [#uses=0]
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%tmp5 = add int %j.0, 1 ; <int> [#uses=1]
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br label %bb6
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return: ; preds = %bb6
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ret void
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}
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declare int %bar(...)
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declare int %foo2(...)
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