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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-26 18:09:55 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-26 18:09:55 +0000 |
| commit | de42e5c09b1e1aa597de7b3e09775e26a0f68aa6 (patch) | |
| tree | 25964986514a09a2810a5ad2807966a9b595fb2d /lib/Target/X86/X86MCInstLower.cpp | |
| parent | 000e105d0f32db81d8a4913b1f58b78ba0642e3c (diff) | |
handle X86::EH_RETURN64 and X86::EH_RETURN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117378 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86MCInstLower.cpp')
| -rw-r--r-- | lib/Target/X86/X86MCInstLower.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp index 8f90d87282..03c059528e 100644 --- a/lib/Target/X86/X86MCInstLower.cpp +++ b/lib/Target/X86/X86MCInstLower.cpp @@ -12,6 +12,7 @@ // //===----------------------------------------------------------------------===// +#include "InstPrinter/X86ATTInstPrinter.h" #include "X86MCInstLower.h" #include "X86AsmPrinter.h" #include "X86COFFMachineModuleInfo.h" @@ -415,6 +416,13 @@ ReSimplify: break; } + case X86::EH_RETURN: + case X86::EH_RETURN64: { + OutMI = MCInst(); + OutMI.setOpcode(X86::RET); + break; + } + // TAILJMPd, TAILJMPd64 - Lower to the correct jump instructions. case X86::TAILJMPr: case X86::TAILJMPd: @@ -543,6 +551,15 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) { OutStreamer.EmitRawText(StringRef("\t#MEMBARRIER")); return; + + case X86::EH_RETURN: + case X86::EH_RETURN64: { + // Lower these as normal, but add some comments. + unsigned Reg = MI->getOperand(0).getReg(); + OutStreamer.AddComment(StringRef("eh_return, addr: %") + + X86ATTInstPrinter::getRegisterName(Reg)); + break; + } case X86::TAILJMPr: case X86::TAILJMPd: case X86::TAILJMPd64: |