Changes in directory llvm/include/llvm/Target:
MRegisterInfo.h updated: 1.98 -> 1.99
---
Log message:
MRegisterInfo disowns RegScavenger. It's immutable.
---
Diffs of the changes: (+8 -7)
MRegisterInfo.h | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
Index: llvm/include/llvm/Target/MRegisterInfo.h
diff -u llvm/include/llvm/Target/MRegisterInfo.h:1.98
llvm/include/llvm/Target/MRegisterInfo.h:1.99
--- llvm/include/llvm/Target/MRegisterInfo.h:1.98 Tue Feb 27 15:08:07 2007
+++ llvm/include/llvm/Target/MRegisterInfo.h Tue Feb 27 18:16:54 2007
@@ -214,12 +214,6 @@
virtual ~MRegisterInfo();
public:
- /// getRegScavenger - Returns pointer to an instance of register scavenger it
- /// the specific target is making use of one.
- virtual RegScavenger *getRegScavenger() const {
- return NULL;
- }
-
enum { // Define some target independent constants
/// NoRegister - This physical register is not a real target register. It
/// is useful as a sentinal.
@@ -398,6 +392,12 @@
return false;
}
+ /// requiresRegisterScavenging - returns true if the target requires (and
+ /// can make use of) the register scavenger.
+ virtual bool requiresRegisterScavenging() const {
+ return false;
+ }
+
/// hasFP - Return true if the specified function should have a dedicated
frame
/// pointer register. For most targets this is true only if the function has
/// variable sized allocas or if frame pointer elimination is disabled.
@@ -452,7 +452,8 @@
/// finished product. The return value is the number of instructions
/// added to (negative if removed from) the basic block.
///
- virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI) const = 0;
+ virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI,
+ RegScavenger *RS = NULL) const = 0;
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function. The return value is the number of instructions
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