diff options
| -rw-r--r-- | lib/Analysis/Lint.cpp | 3 | ||||
| -rw-r--r-- | test/Other/lint.ll | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/lib/Analysis/Lint.cpp b/lib/Analysis/Lint.cpp index 949bbbd8b6..5624430332 100644 --- a/lib/Analysis/Lint.cpp +++ b/lib/Analysis/Lint.cpp @@ -519,6 +519,9 @@ void Lint::visitVAArgInst(VAArgInst &I) { void Lint::visitIndirectBrInst(IndirectBrInst &I) { visitMemoryReference(I, I.getAddress(), ~0u, 0, 0, MemRef::Branchee); + + Assert1(I.getNumDestinations() != 0, + "Undefined behavior: indirectbr with no destinations", &I); } void Lint::visitExtractElementInst(ExtractElementInst &I) { diff --git a/test/Other/lint.ll b/test/Other/lint.ll index dee3d11d2f..fcef7ee2d5 100644 --- a/test/Other/lint.ll +++ b/test/Other/lint.ll @@ -161,5 +161,7 @@ declare i32 @nonstruct_callee() nounwind define void @struct_caller() nounwind { entry: call %struct bitcast (i32 ()* @foo to %struct ()*)() - ret void + + ; CHECK: Undefined behavior: indirectbr with no destinations + indirectbr i8* null, [] } |