[llvm-commits] CVS: llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
Brian Gaeke
gaeke at cs.uiuc.edu
Tue Jul 13 22:41:01 PDT 2004
Changes in directory llvm/lib/Target/SparcV9/InstrSelection:
InstrSelection.cpp updated: 1.81 -> 1.82
---
Log message:
Add Machine-CFG edges to SparcV9 MachineBasicBlocks.
---
Diffs of the changes: (+20 -6)
Index: llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
diff -u llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp:1.81 llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp:1.82
--- llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp:1.81 Sun Jul 4 07:19:56 2004
+++ llvm/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp Wed Jul 14 00:40:50 2004
@@ -24,6 +24,7 @@
#include "llvm/CodeGen/MachineCodeForInstruction.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/CFG.h"
#include "../SparcV9RegInfo.h"
#include "Support/CommandLine.h"
#include "Support/LeakDetector.h"
@@ -185,17 +186,30 @@
SelectInstructionsForTree(basicNode, /*goalnt*/1);
}
- // Create the MachineBasicBlock records and add all of the MachineInstrs
- // defined in the MachineCodeForInstruction objects to also live in the
- // MachineBasicBlock objects.
+ // Create the MachineBasicBlocks and add all of the MachineInstrs
+ // defined in the MachineCodeForInstruction objects to the MachineBasicBlocks.
MachineFunction &MF = MachineFunction::get(&F);
+ std::map<const BasicBlock *, MachineBasicBlock *> MBBMap;
for (Function::iterator BI = F.begin(), BE = F.end(); BI != BE; ++BI) {
- MachineBasicBlock *MCBB = new MachineBasicBlock(BI);
- MF.getBasicBlockList().push_back(MCBB);
+ MachineBasicBlock *MBB = new MachineBasicBlock(BI);
+ MF.getBasicBlockList().push_back(MBB);
+ MBBMap[BI] = MBB;
for (BasicBlock::iterator II = BI->begin(); II != BI->end(); ++II) {
MachineCodeForInstruction &mvec = MachineCodeForInstruction::get(II);
- MCBB->insert(MCBB->end(), mvec.begin(), mvec.end());
+ MBB->insert(MBB->end(), mvec.begin(), mvec.end());
+ }
+ }
+
+ // Initialize Machine-CFG for the function.
+ for (MachineFunction::iterator i = MF.begin (), e = MF.end (); i != e; ++i) {
+ MachineBasicBlock &MBB = *i;
+ const BasicBlock *BB = MBB.getBasicBlock ();
+ // for each successor S of BB, add MBBMap[S] as a successor of MBB.
+ for (succ_const_iterator si = succ_begin(BB), se = succ_end(BB); si != se; ++si) {
+ MachineBasicBlock *succMBB = MBBMap[*si];
+ assert (succMBB && "Can't find MachineBasicBlock for this successor");
+ MBB.addSuccessor (succMBB);
}
}
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