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| author | Akira Hatanaka <ahatanak@gmail.com> | 2011-05-26 18:59:03 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanak@gmail.com> | 2011-05-26 18:59:03 +0000 |
| commit | cf0cd8005c81853ddea3ce26b71491c48dc4984e (patch) | |
| tree | 8504fe1b3c8d40159cd615639cf06dcd359837f5 /lib/Target/Mips/MipsEmitGPRestore.cpp | |
| parent | 32bfb2c513c4efdc1db9967ddfecce8c922dda4f (diff) | |
| download | external_llvm-cf0cd8005c81853ddea3ce26b71491c48dc4984e.zip external_llvm-cf0cd8005c81853ddea3ce26b71491c48dc4984e.tar.gz external_llvm-cf0cd8005c81853ddea3ce26b71491c48dc4984e.tar.bz2 | |
Add support for C++ exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132131 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsEmitGPRestore.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsEmitGPRestore.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsEmitGPRestore.cpp b/lib/Target/Mips/MipsEmitGPRestore.cpp index 5b84ad8..f49d490 100644 --- a/lib/Target/Mips/MipsEmitGPRestore.cpp +++ b/lib/Target/Mips/MipsEmitGPRestore.cpp @@ -55,6 +55,20 @@ bool Inserter::runOnMachineFunction(MachineFunction &F) { MachineBasicBlock& MBB = *MFI; MachineBasicBlock::iterator I = MFI->begin(); + // If MBB is a landing pad, insert instruction that restores $gp after + // EH_LABEL. + if (MBB.isLandingPad()) { + // Find EH_LABEL first. + for (; I->getOpcode() != TargetOpcode::EH_LABEL; ++I) ; + + // Insert lw. + ++I; + DebugLoc dl = I != MBB.end() ? I->getDebugLoc() : DebugLoc(); + BuildMI(MBB, I, dl, TII->get(Mips::LW), Mips::GP).addImm(0) + .addFrameIndex(FI); + Changed = true; + } + while (I != MFI->end()) { if (I->getOpcode() != Mips::JALR) { ++I; |