summaryrefslogtreecommitdiffstats
path: root/contrib/llvm/lib/CodeGen/LiveDebugVariables.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/lib/CodeGen/LiveDebugVariables.h')
-rw-r--r--contrib/llvm/lib/CodeGen/LiveDebugVariables.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/LiveDebugVariables.h b/contrib/llvm/lib/CodeGen/LiveDebugVariables.h
index a6e40a1..3ce3c39 100644
--- a/contrib/llvm/lib/CodeGen/LiveDebugVariables.h
+++ b/contrib/llvm/lib/CodeGen/LiveDebugVariables.h
@@ -21,10 +21,12 @@
#ifndef LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
#define LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
namespace llvm {
+class LiveInterval;
class VirtRegMap;
class LiveDebugVariables : public MachineFunctionPass {
@@ -42,6 +44,11 @@ public:
/// register.
void renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx);
+ /// splitRegister - Move any user variables in OldReg to the live ranges in
+ /// NewRegs where they are live. Mark the values as unavailable where no new
+ /// register is live.
+ void splitRegister(unsigned OldReg, ArrayRef<LiveInterval*> NewRegs);
+
/// emitDebugValues - Emit new DBG_VALUE instructions reflecting the changes
/// that happened during register allocation.
/// @param VRM Rename virtual registers according to map.
OpenPOWER on IntegriCloud