diff options
Diffstat (limited to 'llvm/test/Transforms/LCSSA/pr28608.ll')
| -rw-r--r-- | llvm/test/Transforms/LCSSA/pr28608.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LCSSA/pr28608.ll b/llvm/test/Transforms/LCSSA/pr28608.ll new file mode 100644 index 00000000000..3ba3fe8cda1 --- /dev/null +++ b/llvm/test/Transforms/LCSSA/pr28608.ll @@ -0,0 +1,35 @@ +; RUN: opt < %s -lcssa -disable-output +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +; PR28608 +; Check that we don't crash on this test. + +define void @foo() { +entry: + br label %bb1 + +bb1: + br label %bb2 + +bb2: + %x = phi i32 [ undef, %bb5 ], [ undef, %bb1 ] + br i1 undef, label %bb3, label %bb6 + +bb3: + br i1 undef, label %bb5, label %bb4 + +bb4: + br label %bb6 + +bb5: + br label %bb2 + +bb6: + br label %bb1 + +exit: + %y = add i32 0, %x + ret void +} + |
