diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/callbr-destinations.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/callbr-destinations.ll b/llvm/test/Transforms/SimplifyCFG/callbr-destinations.ll new file mode 100644 index 00000000000..18210e5e0b0 --- /dev/null +++ b/llvm/test/Transforms/SimplifyCFG/callbr-destinations.ll @@ -0,0 +1,28 @@ +; RUN: opt < %s -simplifycfg -disable-output +; +; Test that SimplifyCFG does not cause CallBr instructions to have duplicate +; destinations, which will cause the verifier to assert. + +define void @fun0() { +entry: + callbr void asm sideeffect "", "X"(i8* blockaddress(@fun0, %bb1)) + to label %bb2 [label %bb1] + +bb1: ; preds = %bb + ret void + +bb2: ; preds = %bb + ret void +} + +define void @fun1() { +entry: + callbr void asm sideeffect "", "X"(i8* blockaddress(@fun1, %bb1)) + to label %bb2 [label %bb1] + +bb2: ; preds = %bb + ret void + +bb1: ; preds = %bb + ret void +} |
