Author: evancheng
Date: Wed Jan 16 22:18:54 2008
New Revision: 46113
URL: http://llvm.org/viewvc/llvm-project?rev=46113&view=rev
Log:
DAE bug fix. Don't lose parameter attributes on vararg arguments.
Modified:
llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp
Modified: llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp?rev=46113&r1=46112&r2=46113&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp Wed Jan 16
22:18:54 2008
@@ -590,15 +590,19 @@
ParamAttrsVec.push_back(ParamAttrsWithIndex::get(Args.size(),
Attrs));
}
- // Reconstruct the ParamAttrsList based on the vector we constructed.
- PAL = ParamAttrsList::get(ParamAttrsVec);
-
if (ExtraArgHack)
Args.push_back(UndefValue::get(Type::Int32Ty));
- // Push any varargs arguments on the list
- for (; AI != CS.arg_end(); ++AI)
+ // Push any varargs arguments on the list. Don't forget their attributes.
+ for (; AI != CS.arg_end(); ++AI) {
Args.push_back(*AI);
+ uint16_t Attrs = PAL ? PAL->getParamAttrs(index++) : 0;
+ if (Attrs)
+ ParamAttrsVec.push_back(ParamAttrsWithIndex::get(Args.size(), Attrs));
+ }
+
+ // Reconstruct the ParamAttrsList based on the vector we constructed.
+ PAL = ParamAttrsList::get(ParamAttrsVec);
Instruction *New;
if (InvokeInst *II = dyn_cast<InvokeInst>(Call)) {
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
