[llvm-commits] CVS: llvm/lib/Analysis/IPA/GlobalsModRef.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis/IPA:

GlobalsModRef.cpp updated: 1.17 -> 1.18
---
Log message:

Malloc/Free have mod/ref effects.  Do not allow CSE of function calls that
call malloc/free.  This fixes PR555: http://llvm.cs.uiuc.edu/PR555 .


---
Diffs of the changes:  (+2 -0)

 GlobalsModRef.cpp |    2 ++
 1 files changed, 2 insertions(+)


Index: llvm/lib/Analysis/IPA/GlobalsModRef.cpp
diff -u llvm/lib/Analysis/IPA/GlobalsModRef.cpp:1.17 llvm/lib/Analysis/IPA/GlobalsModRef.cpp:1.18
--- llvm/lib/Analysis/IPA/GlobalsModRef.cpp:1.17	Thu Apr 21 22:54:59 2005
+++ llvm/lib/Analysis/IPA/GlobalsModRef.cpp	Fri Apr 22 00:36:59 2005
@@ -310,6 +310,8 @@
           FunctionEffect |= Ref;
         else if (isa<StoreInst>(*II))
           FunctionEffect |= Mod;
+        else if (isa<MallocInst>(*II) || isa<FreeInst>(*II))
+          FunctionEffect |= ModRef;
   }
 
   if ((FunctionEffect & Mod) == 0)