If PrototypeValue is erased in the middle of using the SSAUpdator

then the SSAUpdator may access freed memory.  Instead, simply pass
in the type and name explicitly, which is all that was used anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112699 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp
index fa71ab5..85ed358 100644
--- a/lib/Transforms/Scalar/LICM.cpp
+++ b/lib/Transforms/Scalar/LICM.cpp
@@ -526,7 +526,7 @@ void LICM::sink(Instruction &I) {
   SSAUpdater SSA(&NewPHIs);
   
   if (!I.use_empty())
-    SSA.Initialize(&I);
+    SSA.Initialize(I.getType(), I.getName());
   
   // Insert a copy of the instruction in each exit block of the loop that is
   // dominated by the instruction.  Each exit block is known to only be in the
@@ -728,7 +728,7 @@ void LICM::PromoteAliasSet(AliasSet &AS) {
     SomeValue = LoopUses[0];
   else
     SomeValue = cast<StoreInst>(LoopUses[0])->getOperand(0);
-  SSA.Initialize(SomeValue);
+  SSA.Initialize(SomeValue->getType(), SomeValue->getName());
 
   // First step: bucket up uses of the pointers by the block they occur in.
   // This is important because we have to handle multiple defs/uses in a block