diff options
Diffstat (limited to 'lib/Transforms/IPO/StructRetPromotion.cpp')
| -rw-r--r-- | lib/Transforms/IPO/StructRetPromotion.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/StructRetPromotion.cpp b/lib/Transforms/IPO/StructRetPromotion.cpp index 174a6fa..97a532b 100644 --- a/lib/Transforms/IPO/StructRetPromotion.cpp +++ b/lib/Transforms/IPO/StructRetPromotion.cpp @@ -158,6 +158,10 @@ bool SRETPromotion::isSafeToUpdateAllCallers(Function *F) { for (Value::use_iterator FnUseI = F->use_begin(), FnUseE = F->use_end(); FnUseI != FnUseE; ++FnUseI) { + // The function is passed in as an argument to (possibly) another function, + // we can't change it! + if (FnUseI.getOperandNo() != 0) + return false; CallSite CS = CallSite::get(*FnUseI); Instruction *Call = CS.getInstruction(); |