[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelLowering.cpp

[Anton Korobeynikov]

Changes in directory llvm/lib/Target/X86:

X86ISelLowering.cpp updated: 1.319 -> 1.320
---
Log message:

Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only 
affected part is codegen of "memove" inside x86 backend. This fixes 
PR1144: http://llvm.org/PR1144 


---
Diffs of the changes:  (+4 -0)

 X86ISelLowering.cpp |    4 ++++
 1 files changed, 4 insertions(+)


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.319 llvm/lib/Target/X86/X86ISelLowering.cpp:1.320
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.319	Mon Jan 29 16:58:52 2007
+++ llvm/lib/Target/X86/X86ISelLowering.cpp	Thu Feb  1 02:39:52 2007
@@ -777,6 +777,10 @@
     }
   }
 
+  // Sanity check: we haven't seen NumSRetBytes > 4
+  assert((NumSRetBytes<=4) &&
+         "Too much space for struct-return pointer requested");
+    
   if (!MemOpChains.empty())
     Chain = DAG.getNode(ISD::TokenFactor, MVT::Other,
                         &MemOpChains[0], MemOpChains.size());