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[Cygwin] Use -femulated-tls by default since r257718 introduced the new pass.

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FIXME: Add more targets to use emutls into clang/test/Driver/emulated-tls.cpp.
FIXME: Add cygwin tests into llvm/test/CodeGen/X86. Working in progress.
llvm-svn: 257984
This commit is contained in:
NAKAMURA Takumi 2016-01-16 03:44:52 +00:00
parent d65aa3494d
commit 3f93ca1561
1 changed files with 1 additions and 5 deletions
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6
lib/Target/X86/X86ISelLowering.cpp
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@ -12477,17 +12477,13 @@ X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const {
GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(Op);
// Cygwin uses emutls.
// FIXME: It may be EmulatedTLS-generic also for X86-Android.
if (Subtarget->isTargetWindowsCygwin())
if (DAG.getTarget().Options.EmulatedTLS)
return LowerToTLSEmulatedModel(GA, DAG);
const GlobalValue *GV = GA->getGlobal();
auto PtrVT = getPointerTy(DAG.getDataLayout());
if (Subtarget->isTargetELF()) {
if (DAG.getTarget().Options.EmulatedTLS)
return LowerToTLSEmulatedModel(GA, DAG);
TLSModel::Model model = DAG.getTarget().getTLSModel(GV);
switch (model) {
case TLSModel::GeneralDynamic: