Changes in directory llvm/lib/Target/Alpha:
AlphaInstrInfo.cpp updated: 1.17 -> 1.18
AlphaInstrInfo.h updated: 1.7 -> 1.8
---
Log message:
RemoveBranch() and InsertBranch() now returns number of instructions deleted /
inserted.
---
Diffs of the changes: (+11 -9)
AlphaInstrInfo.cpp | 16 +++++++++-------
AlphaInstrInfo.h | 4 ++--
2 files changed, 11 insertions(+), 9 deletions(-)
Index: llvm/lib/Target/Alpha/AlphaInstrInfo.cpp
diff -u llvm/lib/Target/Alpha/AlphaInstrInfo.cpp:1.17
llvm/lib/Target/Alpha/AlphaInstrInfo.cpp:1.18
--- llvm/lib/Target/Alpha/AlphaInstrInfo.cpp:1.17 Wed Apr 25 02:12:14 2007
+++ llvm/lib/Target/Alpha/AlphaInstrInfo.cpp Thu May 17 19:02:59 2007
@@ -99,7 +99,7 @@
}
}
-void AlphaInstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock
*TBB,
+unsigned AlphaInstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock
*TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand>
&Cond)const{
assert(TBB && "InsertBranch must not be told to insert a fallthrough");
@@ -117,7 +117,7 @@
else
BuildMI(&MBB, get(Alpha::COND_BRANCH_F))
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB);
- return;
+ return 1;
}
// Two-way Conditional Branch.
@@ -128,6 +128,7 @@
BuildMI(&MBB, get(Alpha::COND_BRANCH_F))
.addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB);
BuildMI(&MBB, get(Alpha::BR)).addMBB(FBB);
+ return 2;
}
static unsigned AlphaRevCondCode(unsigned Opcode) {
@@ -203,28 +204,29 @@
return true;
}
-void AlphaInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
+unsigned AlphaInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
MachineBasicBlock::iterator I = MBB.end();
- if (I == MBB.begin()) return;
+ if (I == MBB.begin()) return 0;
--I;
if (I->getOpcode() != Alpha::BR &&
I->getOpcode() != Alpha::COND_BRANCH_I &&
I->getOpcode() != Alpha::COND_BRANCH_F)
- return;
+ return 0;
// Remove the branch.
I->eraseFromParent();
I = MBB.end();
- if (I == MBB.begin()) return;
+ if (I == MBB.begin()) return 1;
--I;
if (I->getOpcode() != Alpha::COND_BRANCH_I &&
I->getOpcode() != Alpha::COND_BRANCH_F)
- return;
+ return 1;
// Remove the branch.
I->eraseFromParent();
+ return 2;
}
void AlphaInstrInfo::insertNoop(MachineBasicBlock &MBB,
Index: llvm/lib/Target/Alpha/AlphaInstrInfo.h
diff -u llvm/lib/Target/Alpha/AlphaInstrInfo.h:1.7
llvm/lib/Target/Alpha/AlphaInstrInfo.h:1.8
--- llvm/lib/Target/Alpha/AlphaInstrInfo.h:1.7 Tue Oct 31 10:49:55 2006
+++ llvm/lib/Target/Alpha/AlphaInstrInfo.h Thu May 17 19:02:59 2007
@@ -39,13 +39,13 @@
virtual unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex)
const;
virtual unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
- virtual void InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+ virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
std::vector<MachineOperand> &Cond) const;
- void RemoveBranch(MachineBasicBlock &MBB) const;
+ unsigned RemoveBranch(MachineBasicBlock &MBB) const;
void insertNoop(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI) const;
bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
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