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Add an MF argument to TRI::getPointerRegClass() and TII::getRegClass().

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The getPointerRegClass() hook can return register classes that depend on
the calling convention of the current function (ptr_rc_tailcall).

So far, we have been able to infer the calling convention from the
subtarget alone, but as we add support for multiple calling conventions
per target, that no longer works.

Patch by Yiannis Tsiouris!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156328 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-05-07 22:10:26 +00:00
parent 9b23d57dc4
commit 397fc4874e
30 changed files with 73 additions and 49 deletions
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2
lib/Target/ARM/ARMLoadStoreOptimizer.cpp
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@ -1737,7 +1737,7 @@ bool ARMPreAllocLoadStoreOpt::RescheduleOps(MachineBasicBlock *MBB,
Ops.pop_back();
const MCInstrDesc &MCID = TII->get(NewOpc);
const TargetRegisterClass *TRC = TII->getRegClass(MCID, 0, TRI);
const TargetRegisterClass *TRC = TII->getRegClass(MCID, 0, TRI, *MF);
MRI->constrainRegClass(EvenReg, TRC);
MRI->constrainRegClass(OddReg, TRC);