[llvm-commits] [llvm] r110489 - /llvm/trunk/lib/Transforms/Scalar/GVN.cpp

[Owen Anderson]

Author: resistor
Date: Fri Aug  6 19:20:35 2010
New Revision: 110489

URL: http://llvm.org/viewvc/llvm-project?rev=110489&view=rev
Log:
Don't attempt the PRE inline asm calls, since we don't value number them yet.  Fixes PR7835.

Modified:
    llvm/trunk/lib/Transforms/Scalar/GVN.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/GVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVN.cpp?rev=110489&r1=110488&r2=110489&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVN.cpp Fri Aug  6 19:20:35 2010
@@ -2111,6 +2111,11 @@
           CurInst->mayReadFromMemory() || CurInst->mayHaveSideEffects() ||
           isa<DbgInfoIntrinsic>(CurInst))
         continue;
+      
+      // We don't currently value number ANY inline asm calls.
+      if (CallInst *CallI = dyn_cast<CallInst>(CurInst))
+        if (CallI->isInlineAsm())
+          continue;
 
       uint32_t ValNo = VN.lookup(CurInst);