diff options
author | Rafael Espindola <rafael.espindola@gmail.com> | 2014-05-28 18:15:43 +0000 |
---|---|---|
committer | Rafael Espindola <rafael.espindola@gmail.com> | 2014-05-28 18:15:43 +0000 |
commit | 665d42accf60bba6444ef7be8cd9e89d7aac177a (patch) | |
tree | efb2e30f95ed5a1ce716d20e03f208e12f59f8bd /lib/CodeGen/SelectionDAG | |
parent | a5423f2598c8579fd5438f71048467db9d13abcd (diff) | |
download | llvm-665d42accf60bba6444ef7be8cd9e89d7aac177a.tar.gz llvm-665d42accf60bba6444ef7be8cd9e89d7aac177a.tar.bz2 llvm-665d42accf60bba6444ef7be8cd9e89d7aac177a.tar.xz |
[pr19844] Add thread local mode to aliases.
This matches gcc's behavior. It also seems natural given that aliases
contain other properties that govern how it is accessed (linkage,
visibility, dll storage).
Clang still has to be updated to expose this feature to C.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209759 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index b1b8035a7d..51ae11dea2 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1190,15 +1190,8 @@ SDValue SelectionDAG::getGlobalAddress(const GlobalValue *GV, SDLoc DL, if (BitWidth < 64) Offset = SignExtend64(Offset, BitWidth); - const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV); - if (!GVar) { - // If GV is an alias then use the aliasee for determining thread-localness. - if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) - GVar = dyn_cast_or_null<GlobalVariable>(GA->getAliasee()); - } - unsigned Opc; - if (GVar && GVar->isThreadLocal()) + if (GV->isThreadLocal()) Opc = isTargetGA ? ISD::TargetGlobalTLSAddress : ISD::GlobalTLSAddress; else Opc = isTargetGA ? ISD::TargetGlobalAddress : ISD::GlobalAddress; |