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Add an Assumption-Tracking Pass
[oota-llvm.git]
/
lib
/
Transforms
/
Utils
/
GlobalStatus.cpp
diff --git
a/lib/Transforms/Utils/GlobalStatus.cpp
b/lib/Transforms/Utils/GlobalStatus.cpp
index 33e34a9941e051b921bb0b5b53156533a3f265f9..97a0b4ee5ac94d034d97327c5b9e58a286021f29 100644
(file)
--- a/
lib/Transforms/Utils/GlobalStatus.cpp
+++ b/
lib/Transforms/Utils/GlobalStatus.cpp
@@
-35,6
+35,9
@@
bool llvm::isSafeToDestroyConstant(const Constant *C) {
if (isa<GlobalValue>(C))
return false;
+ if (isa<ConstantInt>(C) || isa<ConstantFP>(C))
+ return false;
+
for (const User *U : C->users())
if (const Constant *CU = dyn_cast<Constant>(U)) {
if (!isSafeToDestroyConstant(CU))