Add support for C++ exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132131 91177308-0d34-0410-b5e6-96231b3b80d8
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 @@
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;