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Delete unread globals through addrspacecast

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198346 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2014-01-02 20:01:43 +00:00
parent 1085cc1262
commit e13db1008b
2 changed files with 19 additions and 5 deletions
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5
lib/Transforms/IPO/GlobalOpt.cpp
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@@ -297,8 +297,9 @@ static bool CleanupConstantGlobalUsers(Value *V, Constant *Init,
if (Init)
SubInit = ConstantFoldLoadThroughGEPConstantExpr(Init, CE);
Changed |= CleanupConstantGlobalUsers(CE, SubInit, TD, TLI);
} else if (CE->getOpcode() == Instruction::BitCast &&
CE->getType()->isPointerTy()) {
} else if ((CE->getOpcode() == Instruction::BitCast &&
CE->getType()->isPointerTy()) ||
CE->getOpcode() == Instruction::AddrSpaceCast) {
// Pointer cast, delete any stores and memsets to the global.
Changed |= CleanupConstantGlobalUsers(CE, 0, TD, TLI);
}