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Diffstat (limited to 'test/Transforms/TailCallElim/inf-recursion.ll')
-rw-r--r-- | test/Transforms/TailCallElim/inf-recursion.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/TailCallElim/inf-recursion.ll b/test/Transforms/TailCallElim/inf-recursion.ll index 157226f..c121c25 100644 --- a/test/Transforms/TailCallElim/inf-recursion.ll +++ b/test/Transforms/TailCallElim/inf-recursion.ll @@ -31,3 +31,24 @@ define float @fabsf(float %f) { } declare x86_fp80 @fabsl(x86_fp80 %f) + +; Don't crash while transforming a function with infinite recursion. +define i32 @PR22704(i1 %bool) { +entry: + br i1 %bool, label %t, label %f + +t: + %call1 = call i32 @PR22704(i1 1) + br label %return + +f: + %call = call i32 @PR22704(i1 1) + br label %return + +return: + ret i32 0 + +; CHECK-LABEL: @PR22704( +; CHECK: %bool.tr = phi i1 [ %bool, %entry ], [ true, %t ], [ true, %f ] +; CHECK: br i1 %bool.tr, label %t, label %f +} |