summaryrefslogtreecommitdiffstats
path: root/include/llvm/Target/TargetFrameInfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/Target/TargetFrameInfo.h')
-rw-r--r--include/llvm/Target/TargetFrameInfo.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetFrameInfo.h b/include/llvm/Target/TargetFrameInfo.h
index a85cd87..c727561 100644
--- a/include/llvm/Target/TargetFrameInfo.h
+++ b/include/llvm/Target/TargetFrameInfo.h
@@ -14,6 +14,8 @@
#ifndef LLVM_TARGET_TARGETFRAMEINFO_H
#define LLVM_TARGET_TARGETFRAMEINFO_H
+#include <utility>
+
namespace llvm {
class MachineFunction;
@@ -56,6 +58,21 @@ public:
///
int getOffsetOfLocalArea() const { return LocalAreaOffset; }
+ /// getCalleeSaveSpillSlots - This method returns a pointer to an array of
+ /// pairs, that contains an entry for each callee save register that must be
+ /// spilled to a particular stack location if it is spilled.
+ ///
+ /// Each entry in this array contains a <register,offset> pair, indicating the
+ /// fixed offset from the incoming stack pointer that each register should be
+ /// spilled at. If a register is not listed here, the code generator is
+ /// allowed to spill it anywhere it chooses.
+ ///
+ virtual std::pair<unsigned, int> *
+ getCalleeSaveSpillSlots(unsigned &NumEntries) const {
+ NumEntries = 0;
+ return 0;
+ }
+
//===--------------------------------------------------------------------===//
// These methods provide details of the stack frame used by Sparc, thus they
// are Sparc specific.