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[X86] Remove unneeded variables

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no functional change.
ExtraLoad and WrapperKind are been used only if (OpFlags == X86II::MO_GOTPCREL).

Differential Revision: http://reviews.llvm.org/D18942

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266557 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Asaf Badouh 2016-04-17 08:28:40 +00:00
parent 6b892ee1ab
commit 74bdb66c16
1 changed files with 8 additions and 12 deletions
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20
lib/Target/X86/X86ISelLowering.cpp
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@ -3328,8 +3328,6 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
const GlobalValue *GV = G->getGlobal();
if (!GV->hasDLLImportStorageClass()) {
unsigned char OpFlags = 0;
bool ExtraLoad = false;
unsigned WrapperKind = ISD::DELETED_NODE;
// On ELF targets, in both X86-64 and X86-32 mode, direct calls to
// external symbols most go through the PLT in PIC mode. If the symbol
@ -3353,23 +3351,21 @@ X86TargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
// which loads from the GOT directly. This avoids runtime overhead
// at the cost of eager binding (and one extra byte of encoding).
OpFlags = X86II::MO_GOTPCREL;
WrapperKind = X86ISD::WrapperRIP;
ExtraLoad = true;
}
Callee = DAG.getTargetGlobalAddress(
GV, dl, getPointerTy(DAG.getDataLayout()), G->getOffset(), OpFlags);
// Add a wrapper if needed.
if (WrapperKind != ISD::DELETED_NODE)
if (OpFlags == X86II::MO_GOTPCREL) {
// Add a wrapper.
Callee = DAG.getNode(X86ISD::WrapperRIP, dl,
getPointerTy(DAG.getDataLayout()), Callee);
// Add extra indirection if needed.
if (ExtraLoad)
getPointerTy(DAG.getDataLayout()), Callee);
// Add extra indirection
Callee = DAG.getLoad(
getPointerTy(DAG.getDataLayout()), dl, DAG.getEntryNode(), Callee,
MachinePointerInfo::getGOT(DAG.getMachineFunction()), false, false,
false, 0);
getPointerTy(DAG.getDataLayout()), dl, DAG.getEntryNode(), Callee,
MachinePointerInfo::getGOT(DAG.getMachineFunction()), false, false,
false, 0);
}
}
} else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
unsigned char OpFlags = 0;