[llvm-commits] [llvm] r132161 - /llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp

[Devang Patel]

Author: dpatel
Date: Thu May 26 17:43:14 2011
New Revision: 132161

URL: http://llvm.org/viewvc/llvm-project?rev=132161&view=rev
Log:
Do not move DBG_VALUE in middle of PHI nodes.

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

Modified: llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp?rev=132161&r1=132160&r2=132161&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp Thu May 26 17:43:14 2011
@@ -557,7 +557,10 @@
       if (DVI->getParent() != VI->getParent() || DT->dominates(DVI, VI)) {
         DEBUG(dbgs() << "Moving Debug Value before :\n" << *DVI << ' ' << *VI);
         DVI->removeFromParent();
-        DVI->insertAfter(VI);
+        if (isa<PHINode>(VI))
+          DVI->insertBefore(VI->getParent()->getFirstNonPHI());
+        else
+          DVI->insertAfter(VI);
         return true;
       }