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authorStephen Hines <srhines@google.com>2012-08-23 19:08:53 -0700
committerStephen Hines <srhines@google.com>2012-08-23 19:08:53 -0700
commit31675153bd2d7617db8cb6aeb58054934c7b9f73 (patch)
treec1970fcebc736d4f731db0559a79a7ac5cb0f8bf /lib/Transforms/IPO/GlobalOpt.cpp
parent416bb6a168a9316547db6ce3909c515f70a84f52 (diff)
parent75dd7f0c4a2b3fb9e9d4d5a0517591810c57ed92 (diff)
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Merge branch 'upstream' into merge_2
Conflicts: lib/Target/ARM/ARMCodeEmitter.cpp Change-Id: I6702d340c733e9721499b5d85b13b96ad9c14eb5
Diffstat (limited to 'lib/Transforms/IPO/GlobalOpt.cpp')
-rw-r--r--lib/Transforms/IPO/GlobalOpt.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 60ce958..6d950d2 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -352,7 +352,8 @@ static bool IsSafeComputationToRemove(Value *V) {
return true;
if (!V->hasOneUse())
return false;
- if (isa<LoadInst>(V) || isa<Argument>(V) || isa<GlobalValue>(V))
+ if (isa<LoadInst>(V) || isa<InvokeInst>(V) || isa<Argument>(V) ||
+ isa<GlobalValue>(V))
return false;
if (isAllocationFn(V))
return true;
@@ -442,12 +443,14 @@ static bool CleanupPointerRootUsers(GlobalVariable *GV) {
Dead[i].second->eraseFromParent();
Instruction *I = Dead[i].first;
do {
+ if (isAllocationFn(I))
+ break;
Instruction *J = dyn_cast<Instruction>(I->getOperand(0));
if (!J)
break;
I->eraseFromParent();
I = J;
- } while (!isAllocationFn(I));
+ } while (1);
I->eraseFromParent();
}
}