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

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203890 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2014-03-14 05:02:18 +00:00
parent beaa95d97f
commit b6f478aa66
2 changed files with 3 additions and 1 deletions
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2
include/llvm/CodeGen/MachineRegisterInfo.h
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@ -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();
}
};

2
lib/CodeGen/InlineSpiller.cpp
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()) {