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AArch64: disable FastISel for large code model.

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The code emitted is what would be expected for the small model, so it
shouldn't be used when objects can be the full 64-bits away.

This fixes MCJIT tests on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209585 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover 2014-05-24 19:45:41 +00:00
parent c734d38c7c
commit 0fc41252ba
1 changed files with 5 additions and 0 deletions
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5
lib/Target/AArch64/AArch64FastISel.cpp
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@ -247,6 +247,11 @@ unsigned AArch64FastISel::AArch64MaterializeGV(const GlobalValue *GV) {
if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
TLSGV = GA->getAliasee();
// MachO still uses GOT for large code-model accesses, but ELF requires
// movz/movk sequences, which FastISel doesn't handle yet.
if (TM.getCodeModel() != CodeModel::Small && !Subtarget->isTargetMachO())
return 0;
if (const GlobalVariable *GVar = dyn_cast<GlobalVariable>(TLSGV))
if (GVar->isThreadLocal())
return 0;