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authorRafael Espindola <rafael.espindola@gmail.com>2011-12-29 21:43:03 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2011-12-29 21:43:03 +0000
commited23bdb65fe86cdb7a38c8c1998ec965e6973966 (patch)
tree711101bb120aec9cb2c5d824bbfb9a4bdd964244 /include
parentc25680f728f89dd43939b00049ee524fbf59b7be (diff)
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Implement cfi_restore. Patch by Brian Anderson!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147356 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r--include/llvm/MC/MCDwarf.h5
-rw-r--r--include/llvm/MC/MCStreamer.h1
2 files changed, 4 insertions, 2 deletions
diff --git a/include/llvm/MC/MCDwarf.h b/include/llvm/MC/MCDwarf.h
index 56d732c497..bca50b21dc 100644
--- a/include/llvm/MC/MCDwarf.h
+++ b/include/llvm/MC/MCDwarf.h
@@ -271,7 +271,8 @@ namespace llvm {
class MCCFIInstruction {
public:
- enum OpType { SameValue, RememberState, RestoreState, Move, RelMove, Escape };
+ enum OpType { SameValue, RememberState, RestoreState, Move, RelMove, Escape,
+ Restore};
private:
OpType Operation;
MCSymbol *Label;
@@ -286,7 +287,7 @@ namespace llvm {
}
MCCFIInstruction(OpType Op, MCSymbol *L, unsigned Register)
: Operation(Op), Label(L), Destination(Register) {
- assert(Op == SameValue);
+ assert(Op == SameValue || Op == Restore);
}
MCCFIInstruction(MCSymbol *L, const MachineLocation &D,
const MachineLocation &S)
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 5483fb07f1..e550dfa3ef 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -547,6 +547,7 @@ namespace llvm {
virtual void EmitCFIRememberState();
virtual void EmitCFIRestoreState();
virtual void EmitCFISameValue(int64_t Register);
+ virtual void EmitCFIRestore(int64_t Register);
virtual void EmitCFIRelOffset(int64_t Register, int64_t Offset);
virtual void EmitCFIAdjustCfaOffset(int64_t Adjustment);
virtual void EmitCFIEscape(StringRef Values);