[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
Lauro Ramos Venancio
lauro.venancio at gmail.com
Tue Mar 20 13:09:21 PDT 2007
Changes in directory llvm/lib/CodeGen/SelectionDAG:
ScheduleDAG.cpp updated: 1.123 -> 1.124
---
Log message:
Code clean up.
---
Diffs of the changes: (+20 -23)
ScheduleDAG.cpp | 43 ++++++++++++++++++++-----------------------
1 files changed, 20 insertions(+), 23 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:1.123 llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:1.124
--- llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:1.123 Tue Mar 20 11:46:44 2007
+++ llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp Tue Mar 20 15:09:03 2007
@@ -381,6 +381,20 @@
}
+// Returns the Register Class of a physical register
+static const TargetRegisterClass *getPhysicalRegisterRegClass(
+ const MRegisterInfo *MRI,
+ MVT::ValueType VT,
+ unsigned reg) {
+ assert(MRegisterInfo::isPhysicalRegister(reg) &&
+ "reg must be a physical register");
+ // Pick the register class of the right type that contains this physreg.
+ for (MRegisterInfo::regclass_iterator I = MRI->regclass_begin(),
+ E = MRI->regclass_end(); I != E; ++I)
+ if ((*I)->hasType(VT) && (*I)->contains(reg))
+ return *I;
+ assert(false && "Couldn't find the register class");
+}
/// EmitNode - Generate machine code for an node and needed dependencies.
///
@@ -478,20 +492,12 @@
if (InReg != DestReg) {// Coalesced away the copy?
const TargetRegisterClass *TRC = 0;
// Get the target register class
- if (MRegisterInfo::isVirtualRegister(InReg)) {
+ if (MRegisterInfo::isVirtualRegister(InReg))
TRC = RegMap->getRegClass(InReg);
- } else {
- // Pick the register class of the right type that contains this
- // physreg.
- for (MRegisterInfo::regclass_iterator I = MRI->regclass_begin(),
- E = MRI->regclass_end(); I != E; ++I)
- if ((*I)->hasType(Node->getOperand(2).getValueType()) &&
- (*I)->contains(InReg)) {
- TRC = *I;
- break;
- }
- assert(TRC && "Couldn't find register class for reg copy!");
- }
+ else
+ TRC = getPhysicalRegisterRegClass(MRI,
+ Node->getOperand(2).getValueType(),
+ InReg);
MRI->copyRegToReg(*BB, BB->end(), DestReg, InReg, TRC);
}
break;
@@ -523,17 +529,8 @@
if (VRBase) {
TRC = RegMap->getRegClass(VRBase);
} else {
+ TRC = getPhysicalRegisterRegClass(MRI, Node->getValueType(0), SrcReg);
- // Pick the register class of the right type that contains this physreg.
- for (MRegisterInfo::regclass_iterator I = MRI->regclass_begin(),
- E = MRI->regclass_end(); I != E; ++I)
- if ((*I)->hasType(Node->getValueType(0)) &&
- (*I)->contains(SrcReg)) {
- TRC = *I;
- break;
- }
- assert(TRC && "Couldn't find register class for reg copy!");
-
// Create the reg, emit the copy.
VRBase = RegMap->createVirtualRegister(TRC);
}
More information about the llvm-commits
mailing list