[llvm-commits] [llvm] r141221 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
Bill Wendling
isanbard at gmail.com
Wed Oct 5 15:16:11 PDT 2011
Author: void
Date: Wed Oct 5 17:16:11 2011
New Revision: 141221
URL: http://llvm.org/viewvc/llvm-project?rev=141221&view=rev
Log:
Small refactoring. Cache the FunctionInfo->MBB into a local variable.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=141221&r1=141220&r2=141221&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Wed Oct 5 17:16:11 2011
@@ -685,21 +685,23 @@
/// PrepareEHLandingPad - Emit an EH_LABEL, set up live-in registers, and
/// do other setup for EH landing-pad blocks.
void SelectionDAGISel::PrepareEHLandingPad() {
+ MachineBasicBlock *MBB = FuncInfo->MBB;
+
// Add a label to mark the beginning of the landing pad. Deletion of the
// landing pad can thus be detected via the MachineModuleInfo.
- MCSymbol *Label = MF->getMMI().addLandingPad(FuncInfo->MBB);
+ MCSymbol *Label = MF->getMMI().addLandingPad(MBB);
const MCInstrDesc &II = TM.getInstrInfo()->get(TargetOpcode::EH_LABEL);
- BuildMI(*FuncInfo->MBB, FuncInfo->InsertPt, SDB->getCurDebugLoc(), II)
+ BuildMI(*MBB, FuncInfo->InsertPt, SDB->getCurDebugLoc(), II)
.addSym(Label);
// Mark exception register as live in.
unsigned Reg = TLI.getExceptionAddressRegister();
- if (Reg) FuncInfo->MBB->addLiveIn(Reg);
+ if (Reg) MBB->addLiveIn(Reg);
// Mark exception selector register as live in.
Reg = TLI.getExceptionSelectorRegister();
- if (Reg) FuncInfo->MBB->addLiveIn(Reg);
+ if (Reg) MBB->addLiveIn(Reg);
// FIXME: Hack around an exception handling flaw (PR1508): the personality
// function and list of typeids logically belong to the invoke (or, if you
@@ -712,7 +714,7 @@
// in exceptions not being caught because no typeids are associated with
// the invoke. This may not be the only way things can go wrong, but it
// is the only way we try to work around for the moment.
- const BasicBlock *LLVMBB = FuncInfo->MBB->getBasicBlock();
+ const BasicBlock *LLVMBB = MBB->getBasicBlock();
const BranchInst *Br = dyn_cast<BranchInst>(LLVMBB->getTerminator());
if (Br && Br->isUnconditional()) { // Critical edge?
@@ -727,8 +729,6 @@
}
}
-
-
/// TryToFoldFastISelLoad - We're checking to see if we can fold the specified
/// load into the specified FoldInst. Note that we could have a sequence where
/// multiple LLVM IR instructions are folded into the same machineinstr. For
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