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XCore target: Lower EH_RETURN

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198615 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Robert Lytton
2014-01-06 14:21:07 +00:00
parent af74cbf553
commit 3a905cbce6
5 changed files with 127 additions and 1 deletions
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9
lib/Target/XCore/XCoreFrameLowering.cpp
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@@ -252,6 +252,15 @@ void XCoreFrameLowering::emitEpilogue(MachineFunction &MF,
DebugLoc dl = MBBI->getDebugLoc();
unsigned RetOpcode = MBBI->getOpcode();
if (RetOpcode == XCore::EH_RETURN) {
unsigned EhStackReg = MBBI->getOperand(0).getReg();
unsigned EhHandlerReg = MBBI->getOperand(1).getReg();
BuildMI(MBB, MBBI, dl, TII.get(XCore::SETSP_1r)).addReg(EhStackReg);
BuildMI(MBB, MBBI, dl, TII.get(XCore::BAU_1r)).addReg(EhHandlerReg);
MBB.erase(MBBI); // Erase the previous return instruction.
return;
}
// Work out frame sizes.
// We will adjust the SP in stages towards the final FrameSize.
int RemainingAdj = MFI->getStackSize();