Changes in directory llvm/lib/Target/SparcV8:
FPMover.cpp updated: 1.10 -> 1.11
---
Log message:
If the target has V9 instructions, this pass is a noop, don't bother
running it.
---
Diffs of the changes: (+16 -8)
FPMover.cpp | 24 ++++++++++++++++--------
1 files changed, 16 insertions(+), 8 deletions(-)
Index: llvm/lib/Target/SparcV8/FPMover.cpp
diff -u llvm/lib/Target/SparcV8/FPMover.cpp:1.10
llvm/lib/Target/SparcV8/FPMover.cpp:1.11
--- llvm/lib/Target/SparcV8/FPMover.cpp:1.10 Sun Jan 22 17:37:17 2006
+++ llvm/lib/Target/SparcV8/FPMover.cpp Sun Jan 29 23:51:14 2006
@@ -12,8 +12,10 @@
//===----------------------------------------------------------------------===//
#include "SparcV8.h"
+#include "SparcV8Subtarget.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/Target/TargetMachine.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/Debug.h"
#include <iostream>
@@ -36,14 +38,7 @@
}
bool runOnMachineBasicBlock(MachineBasicBlock &MBB);
- bool runOnMachineFunction(MachineFunction &F) {
- bool Changed = false;
- for (MachineFunction::iterator FI = F.begin(), FE = F.end();
- FI != FE; ++FI)
- Changed |= runOnMachineBasicBlock(*FI);
- return Changed;
- }
-
+ bool runOnMachineFunction(MachineFunction &F);
};
} // end of anonymous namespace
@@ -122,3 +117,16 @@
}
return Changed;
}
+
+bool FPMover::runOnMachineFunction(MachineFunction &F) {
+ // If the target has V9 instructions, the fp-mover pseudos will never be
+ // emitted. Avoid a scan of the instructions to improve compile time.
+ if (TM.getSubtarget<SparcV8Subtarget>().isV9())
+ return false;
+
+ bool Changed = false;
+ for (MachineFunction::iterator FI = F.begin(), FE = F.end();
+ FI != FE; ++FI)
+ Changed |= runOnMachineBasicBlock(*FI);
+ return Changed;
+}
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