Changes in directory llvm/utils/TableGen:
CodeGenInstruction.h updated: 1.30 -> 1.31
CodeGenTarget.cpp updated: 1.94 -> 1.95
InstrInfoEmitter.cpp updated: 1.62 -> 1.63
---
Log message:
Revert the earlier change that removed the M_REMATERIALIZABLE machine
instruction flag, and use the flag along with a virtual member function
hook for targets to override if there are instructions that are only
trivially rematerializable with specific operands (i.e. constant pool
loads).
---
Diffs of the changes: (+3 -0)
CodeGenInstruction.h | 1 +
CodeGenTarget.cpp | 1 +
InstrInfoEmitter.cpp | 1 +
3 files changed, 3 insertions(+)
Index: llvm/utils/TableGen/CodeGenInstruction.h
diff -u llvm/utils/TableGen/CodeGenInstruction.h:1.30
llvm/utils/TableGen/CodeGenInstruction.h:1.31
--- llvm/utils/TableGen/CodeGenInstruction.h:1.30 Mon Jun 18 20:48:05 2007
+++ llvm/utils/TableGen/CodeGenInstruction.h Mon Jun 25 19:48:07 2007
@@ -91,6 +91,7 @@
bool isConvertibleToThreeAddress;
bool isCommutable;
bool isTerminator;
+ bool isReMaterializable;
bool hasDelaySlot;
bool usesCustomDAGSchedInserter;
bool hasVariableNumberOfOperands;
Index: llvm/utils/TableGen/CodeGenTarget.cpp
diff -u llvm/utils/TableGen/CodeGenTarget.cpp:1.94
llvm/utils/TableGen/CodeGenTarget.cpp:1.95
--- llvm/utils/TableGen/CodeGenTarget.cpp:1.94 Mon Jun 18 20:48:05 2007
+++ llvm/utils/TableGen/CodeGenTarget.cpp Mon Jun 25 19:48:07 2007
@@ -365,6 +365,7 @@
isConvertibleToThreeAddress =
R->getValueAsBit("isConvertibleToThreeAddress");
isCommutable = R->getValueAsBit("isCommutable");
isTerminator = R->getValueAsBit("isTerminator");
+ isReMaterializable = R->getValueAsBit("isReMaterializable");
hasDelaySlot = R->getValueAsBit("hasDelaySlot");
usesCustomDAGSchedInserter = R->getValueAsBit("usesCustomDAGSchedInserter");
hasCtrlDep = R->getValueAsBit("hasCtrlDep");
Index: llvm/utils/TableGen/InstrInfoEmitter.cpp
diff -u llvm/utils/TableGen/InstrInfoEmitter.cpp:1.62
llvm/utils/TableGen/InstrInfoEmitter.cpp:1.63
--- llvm/utils/TableGen/InstrInfoEmitter.cpp:1.62 Mon Jun 18 20:48:05 2007
+++ llvm/utils/TableGen/InstrInfoEmitter.cpp Mon Jun 25 19:48:07 2007
@@ -240,6 +240,7 @@
if (Inst.isConvertibleToThreeAddress) OS << "|M_CONVERTIBLE_TO_3_ADDR";
if (Inst.isCommutable) OS << "|M_COMMUTABLE";
if (Inst.isTerminator) OS << "|M_TERMINATOR_FLAG";
+ if (Inst.isReMaterializable) OS << "|M_REMATERIALIZIBLE";
if (Inst.clobbersPred) OS << "|M_CLOBBERS_PRED";
if (Inst.isNotDuplicable) OS << "|M_NOT_DUPLICABLE";
if (Inst.usesCustomDAGSchedInserter)
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