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modernize this pass a bit, fit in 80 columns.

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llvm-svn: 104326
This commit is contained in:
Chris Lattner 2010-05-21 17:49:07 +00:00
parent 1794093960
commit 91ffa7a5bf
1 changed files with 9 additions and 6 deletions
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15
lib/Target/X86/X86FloatingPointRegKill.cpp
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@ -42,12 +42,16 @@ namespace {
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual const char *getPassName() const { return "X86 FP_REG_KILL inserter"; }
virtual const char *getPassName() const {
return "X86 FP_REG_KILL inserter";
}
};
char FPRegKiller::ID = 0;
}
FunctionPass *llvm::createX87FPRegKillInserterPass() { return new FPRegKiller(); }
FunctionPass *llvm::createX87FPRegKillInserterPass() {
return new FPRegKiller();
}
bool FPRegKiller::runOnMachineFunction(MachineFunction &MF) {
// If we are emitting FP stack code, scan the basic block to determine if this
@ -112,15 +116,14 @@ bool FPRegKiller::runOnMachineFunction(MachineFunction &MF) {
// Final check, check LLVM BB's that are successors to the LLVM BB
// corresponding to BB for FP PHI nodes.
const BasicBlock *LLVMBB = MBB->getBasicBlock();
const PHINode *PN;
for (succ_const_iterator SI = succ_begin(LLVMBB), E = succ_end(LLVMBB);
!ContainsFPCode && SI != E; ++SI) {
const PHINode *PN;
for (BasicBlock::const_iterator II = SI->begin();
(PN = dyn_cast<PHINode>(II)); ++II) {
if (PN->getType()==Type::getX86_FP80Ty(LLVMBB->getContext()) ||
if (PN->getType()->isX86_FP80Ty() ||
(!Subtarget.hasSSE1() && PN->getType()->isFloatingPointTy()) ||
(!Subtarget.hasSSE2() &&
PN->getType()==Type::getDoubleTy(LLVMBB->getContext()))) {
(!Subtarget.hasSSE2() && PN->getType()->isDoubleTy())) {
ContainsFPCode = true;
break;
}