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Skip debug info intrinsics. 

llvm-svn: 98584
This commit is contained in:
Devang Patel 2010-03-15 22:23:03 +00:00
parent fe8d866fc7
commit 45c1505bf6
1 changed files with 4 additions and 0 deletions
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4
llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
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@ -43,6 +43,7 @@
#include "llvm/BasicBlock.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/LLVMContext.h"
#include "llvm/Type.h"
#include "llvm/Analysis/Dominators.h"
@ -556,6 +557,9 @@ void IndVarSimplify::SinkUnusedInvariants(Loop *L) {
// dominates the exit block.
if (I->mayHaveSideEffects() || I->mayReadFromMemory())
continue;
// Skip debug info intrinsics.
if (isa<DbgInfoIntrinsic>(I))
continue;
// Don't sink static AllocaInsts out of the entry block, which would
// turn them into dynamic allocas!
if (AllocaInst *AI = dyn_cast<AllocaInst>(I))