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Address a few coding style issues. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272838 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2016-06-15 21:14:02 +00:00
parent 04195353af
commit 357edbc1d6
1 changed files with 7 additions and 9 deletions
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16
lib/CodeGen/RegUsageInfoCollector.cpp
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@ -98,29 +98,27 @@ bool RegUsageInfoCollector::runOnMachineFunction(MachineFunction &MF) {
// Compute the size of the bit vector to represent all the registers.
// The bit vector is broken into 32-bit chunks, thus takes the ceil of
// the number of registers divided by 32 for the size.
unsigned regMaskSize = (TRI->getNumRegs() + 31) / 32;
RegMask.resize(regMaskSize, 0xFFFFFFFF);
unsigned RegMaskSize = (TRI->getNumRegs() + 31) / 32;
RegMask.resize(RegMaskSize, 0xFFFFFFFF);
PhysicalRegisterUsageInfo *PRUI = &getAnalysis<PhysicalRegisterUsageInfo>();
PRUI->setTargetMachine(&TM);
DEBUG(dbgs() << "Clobbered Registers: ");
for (unsigned PReg = 1, PRegE = TRI->getNumRegs(); PReg < PRegE; ++PReg) {
for (unsigned PReg = 1, PRegE = TRI->getNumRegs(); PReg < PRegE; ++PReg)
if (!MRI->reg_nodbg_empty(PReg) && MRI->isPhysRegUsed(PReg))
markRegClobbered(TRI, &RegMask[0], PReg);
}
const uint32_t *CallPreservedMask =
TRI->getCallPreservedMask(MF, MF.getFunction()->getCallingConv());
// Set callee saved register as preserved.
for (unsigned index = 0; index < regMaskSize; index++) {
RegMask[index] = RegMask[index] | CallPreservedMask[index];
}
for (unsigned PReg = 1, PRegE = TRI->getNumRegs(); PReg < PRegE; ++PReg) {
for (unsigned i = 0; i < RegMaskSize; ++i)
RegMask[i] = RegMask[i] | CallPreservedMask[i];
for (unsigned PReg = 1, PRegE = TRI->getNumRegs(); PReg < PRegE; ++PReg)
if (MachineOperand::clobbersPhysReg(&(RegMask[0]), PReg))
DEBUG(dbgs() << TRI->getName(PReg) << " ");
}
DEBUG(dbgs() << " \n----------------------------------------\n");