Fix the last virtual register enumerations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 664bfe7..faae9b2 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -172,12 +172,13 @@
// In this case, there will be virtual registers of vector type created
// by the scheduler. Detect them now.
bool HasVectorVReg = false;
- for (unsigned i = TargetRegisterInfo::FirstVirtualRegister,
- e = RegInfo->getLastVirtReg()+1; i != e; ++i)
- if (RegInfo->getRegClass(i) == &PPC::VRRCRegClass) {
+ for (unsigned i = 0, e = RegInfo->getNumVirtRegs(); i != e; ++i) {
+ unsigned Reg = TargetRegisterInfo::index2VirtReg(i);
+ if (RegInfo->getRegClass(Reg) == &PPC::VRRCRegClass) {
HasVectorVReg = true;
break;
}
+ }
if (!HasVectorVReg) return; // nothing to do.
// If we have a vector register, we want to emit code into the entry and exit