Generate native unwind info on Win64

[oota-llvm.git] / lib / Target / X86 / X86MCInstLower.cpp

diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp
index 0190080b935bec373d68b7c99a482186ef01b373..3314c641c9ea506d016b3013f105d229242eec01 100644 (file)
--- a/lib/Target/X86/X86MCInstLower.cpp
+++ b/lib/Target/X86/X86MCInstLower.cpp
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "X86AsmPrinter.h"
+#include "X86RegisterInfo.h"
 #include "InstPrinter/X86ATTInstPrinter.h"
 #include "MCTargetDesc/X86BaseInfo.h"
 #include "llvm/ADT/SmallString.h"
@@ -779,6 +780,9 @@ static void LowerPATCHPOINT(MCStreamer &OS, StackMaps &SM,
 
 void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
   X86MCInstLower MCInstLowering(*MF, *this);
+  const X86RegisterInfo *RI =
+      static_cast<const X86RegisterInfo *>(TM.getRegisterInfo());
+
   switch (MI->getOpcode()) {
   case TargetOpcode::DBG_VALUE:
     llvm_unreachable("Should be handled target independently");
@@ -883,6 +887,39 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
       .addReg(X86::R10)
       .addReg(X86::RAX));
     return;
+
+  case X86::SEH_PushReg:
+    OutStreamer.EmitWin64EHPushReg(
+        RI->getSEHRegNum(MI->getOperand(0).getImm()));
+    return;
+
+  case X86::SEH_SaveReg:
+    OutStreamer.EmitWin64EHSaveReg(RI->getSEHRegNum(MI->getOperand(0).getImm()),
+                                   MI->getOperand(1).getImm());
+    return;
+
+  case X86::SEH_SaveXMM:
+    OutStreamer.EmitWin64EHSaveXMM(RI->getSEHRegNum(MI->getOperand(0).getImm()),
+                                   MI->getOperand(1).getImm());
+    return;
+
+  case X86::SEH_StackAlloc:
+    OutStreamer.EmitWin64EHAllocStack(MI->getOperand(0).getImm());
+    return;
+
+  case X86::SEH_SetFrame:
+    OutStreamer.EmitWin64EHSetFrame(
+        RI->getSEHRegNum(MI->getOperand(0).getImm()),
+        MI->getOperand(1).getImm());
+    return;
+
+  case X86::SEH_PushFrame:
+    OutStreamer.EmitWin64EHPushFrame(MI->getOperand(0).getImm());
+    return;
+
+  case X86::SEH_EndPrologue:
+    OutStreamer.EmitWin64EHEndProlog();
+    return;
   }
 
   MCInst TmpInst;