diff options
| -rw-r--r-- | lib/Analysis/InlineCost.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Analysis/InlineCost.cpp b/lib/Analysis/InlineCost.cpp index f6664ed..4f0b337 100644 --- a/lib/Analysis/InlineCost.cpp +++ b/lib/Analysis/InlineCost.cpp @@ -159,6 +159,11 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB) { if (isa<ReturnInst>(BB->getTerminator())) ++NumRets; + // We never want to inline functions that contain an indirectbr. This is + // incorrect because all the blockaddress's (e.g. in static global + // initializers would be referring to the original function, and this indirect + // jump would jump from the inlined copy of the function into the original + // function which is extremely undefined behavior. if (isa<IndirectBrInst>(BB->getTerminator())) NeverInline = true; } |