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-rw-r--r--llvm/lib/Target/X86/X86MCInstLower.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index 0887643ed5a..65949531126 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/lib/Target/X86/X86MCInstLower.cpp
@@ -499,11 +499,16 @@ ReSimplify:
break;
}
- // TAILJMPd, TAILJMPd64 - Lower to the correct jump instruction.
+ // TAILJMPd, TAILJMPd64, TailJMPd_cc - Lower to the correct jump instruction.
{ unsigned Opcode;
case X86::TAILJMPr: Opcode = X86::JMP32r; goto SetTailJmpOpcode;
case X86::TAILJMPd:
case X86::TAILJMPd64: Opcode = X86::JMP_1; goto SetTailJmpOpcode;
+ case X86::TAILJMPd_CC:
+ case X86::TAILJMPd64_CC:
+ Opcode = X86::GetCondBranchFromCond(
+ static_cast<X86::CondCode>(MI->getOperand(1).getImm()));
+ goto SetTailJmpOpcode;
SetTailJmpOpcode:
MCOperand Saved = OutMI.getOperand(0);
@@ -1294,9 +1299,11 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
case X86::TAILJMPr:
case X86::TAILJMPm:
case X86::TAILJMPd:
+ case X86::TAILJMPd_CC:
case X86::TAILJMPr64:
case X86::TAILJMPm64:
case X86::TAILJMPd64:
+ case X86::TAILJMPd64_CC:
case X86::TAILJMPr64_REX:
case X86::TAILJMPm64_REX:
// Lower these as normal, but add some comments.
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