diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegUsageInfoCollector.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegUsageInfoCollector.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/RegUsageInfoCollector.cpp b/llvm/lib/CodeGen/RegUsageInfoCollector.cpp index 8215aed35cb..7c3713ae634 100644 --- a/llvm/lib/CodeGen/RegUsageInfoCollector.cpp +++ b/llvm/lib/CodeGen/RegUsageInfoCollector.cpp @@ -1,4 +1,4 @@ -//===- RegUsageInfoCollector.cpp - Register Usage Informartion Collector --===// +//===-- RegUsageInfoCollector.cpp - Register Usage Information Collector --===// // // The LLVM Compiler Infrastructure // @@ -106,8 +106,9 @@ bool RegUsageInfoCollector::runOnMachineFunction(MachineFunction &MF) { PRUI->setTargetMachine(&TM); DEBUG(dbgs() << "Clobbered Registers: "); + for (unsigned PReg = 1, PRegE = TRI->getNumRegs(); PReg < PRegE; ++PReg) - if (!MRI->reg_nodbg_empty(PReg) && MRI->isPhysRegUsed(PReg)) + if (MRI->isPhysRegModified(PReg, true)) markRegClobbered(TRI, &RegMask[0], PReg); const uint32_t *CallPreservedMask = |
