[llvm-commits] CVS: llvm/include/llvm/Target/TargetInstrInfo.h
Evan Cheng
evan.cheng at apple.com
Wed May 23 00:20:12 PDT 2007
Changes in directory llvm/include/llvm/Target:
TargetInstrInfo.h updated: 1.123 -> 1.124
---
Log message:
Add a couple of target hooks for predication.
---
Diffs of the changes: (+14 -1)
TargetInstrInfo.h | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletion(-)
Index: llvm/include/llvm/Target/TargetInstrInfo.h
diff -u llvm/include/llvm/Target/TargetInstrInfo.h:1.123 llvm/include/llvm/Target/TargetInstrInfo.h:1.124
--- llvm/include/llvm/Target/TargetInstrInfo.h:1.123 Mon May 21 20:21:58 2007
+++ llvm/include/llvm/Target/TargetInstrInfo.h Wed May 23 02:19:12 2007
@@ -393,10 +393,23 @@
abort();
}
+ /// isPredicable - Returns true if the instruction is already predicated.
+ ///
+ virtual bool isPredicated(MachineInstr *MI) const {
+ return false;
+ }
+
/// PredicateInstruction - Convert the instruction into a predicated
/// instruction. It returns true if the operation was successful.
virtual bool PredicateInstruction(MachineInstr *MI,
- std::vector<MachineOperand> &Cond) const;
+ std::vector<MachineOperand> &Pred) const;
+
+ /// SubsumesPredicate - Returns true if the first specified predicated
+ /// subsumes the second, e.g. GE subsumes GT.
+ virtual bool SubsumesPredicate(std::vector<MachineOperand> &Pred1,
+ std::vector<MachineOperand> &Pred2) const {
+ return false;
+ }
/// getPointerRegClass - Returns a TargetRegisterClass used for pointer
/// values.
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