[llvm-commits] [llvm] r138481 - in /llvm/trunk/lib: Analysis/ScalarEvolutionExpander.cpp Transforms/Scalar/LoopStrengthReduce.cpp

Bill Wendling isanbard at gmail.com
Wed Aug 24 14:06:46 PDT 2011


Author: void
Date: Wed Aug 24 16:06:46 2011
New Revision: 138481

URL: http://llvm.org/viewvc/llvm-project?rev=138481&view=rev
Log:
Skip the landingpad instruction when determining the insertion point.

Modified:
    llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp
    llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp?rev=138481&r1=138480&r2=138481&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolutionExpander.cpp Wed Aug 24 16:06:46 2011
@@ -103,7 +103,8 @@
     while ((isa<BitCastInst>(IP) &&
             isa<Argument>(cast<BitCastInst>(IP)->getOperand(0)) &&
             cast<BitCastInst>(IP)->getOperand(0) != A) ||
-           isa<DbgInfoIntrinsic>(IP))
+           isa<DbgInfoIntrinsic>(IP) ||
+           isa<LandingPadInst>(IP))
       ++IP;
     return ReuseOrCreateCast(A, Ty, Op, IP);
   }
@@ -113,7 +114,9 @@
   BasicBlock::iterator IP = I; ++IP;
   if (InvokeInst *II = dyn_cast<InvokeInst>(I))
     IP = II->getNormalDest()->begin();
-  while (isa<PHINode>(IP) || isa<DbgInfoIntrinsic>(IP)) ++IP;
+  while (isa<PHINode>(IP) || isa<DbgInfoIntrinsic>(IP) ||
+         isa<LandingPadInst>(IP))
+    ++IP;
   return ReuseOrCreateCast(I, Ty, Op, IP);
 }
 
@@ -1109,7 +1112,8 @@
     BasicBlock::iterator SaveInsertPt = Builder.GetInsertPoint();
     BasicBlock::iterator NewInsertPt =
       llvm::next(BasicBlock::iterator(cast<Instruction>(V)));
-    while (isa<PHINode>(NewInsertPt) || isa<DbgInfoIntrinsic>(NewInsertPt))
+    while (isa<PHINode>(NewInsertPt) || isa<DbgInfoIntrinsic>(NewInsertPt) ||
+           isa<LandingPadInst>(NewInsertPt))
       ++NewInsertPt;
     V = expandCodeFor(SE.getTruncateExpr(SE.getUnknown(V), Ty), 0,
                       NewInsertPt);

Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=138481&r1=138480&r2=138481&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Wed Aug 24 16:06:46 2011
@@ -3423,6 +3423,9 @@
   // Don't insert instructions before PHI nodes.
   while (isa<PHINode>(IP)) ++IP;
 
+  // Ignore landingpad instructions.
+  while (isa<LandingPadInst>(IP)) ++IP;
+
   // Ignore debug intrinsics.
   while (isa<DbgInfoIntrinsic>(IP)) ++IP;
 





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