Revert r203883 (which was more of a bandaid) and fix the real underlying

issue in that the new MachineRegisterInfo bundle iterators didn't
dereference to the START of the bundle, while the old skipBundle()
method did.

llvm-svn: 203890
This commit is contained in:
Owen Anderson 2014-03-14 05:02:18 +00:00
parent 516273ba99
commit ec5d480329
2 changed files with 3 additions and 1 deletions

View File

@ -856,11 +856,13 @@ public:
// Retrieve a reference to the current operand.
MachineInstr &operator*() const {
assert(Op && "Cannot dereference end iterator!");
if (ByBundle) return *(getBundleStart(Op->getParent()));
return *Op->getParent();
}
MachineInstr *operator->() const {
assert(Op && "Cannot dereference end iterator!");
if (ByBundle) return getBundleStart(Op->getParent());
return Op->getParent();
}
};

View File

@ -1196,7 +1196,7 @@ void InlineSpiller::spillAroundUses(unsigned Reg) {
for (MachineRegisterInfo::reg_bundle_iterator
RegI = MRI.reg_bundle_begin(Reg), E = MRI.reg_bundle_end();
RegI != E; ) {
MachineInstr *MI = getBundleStart(&*(RegI++));
MachineInstr *MI = &*(RegI++);
// Debug values are not allowed to affect codegen.
if (MI->isDebugValue()) {