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authorChad Rosier <mcrosier@apple.com>2012-11-28 00:21:29 +0000
committerChad Rosier <mcrosier@apple.com>2012-11-28 00:21:29 +0000
commit18bb0545ff79b85ef424e95e2170e3a06f11b735 (patch)
treef9911544f787bb77fc671c42377a6a7c9cea1ffb
parent0d5dbcb5dcffc57e60b55418ef29c7b1929529ff (diff)
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Revert r168630, r168631, and r168633 as these are causing nightly test failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168751 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/MachineRegisterInfo.cpp2
-rw-r--r--lib/CodeGen/RegAllocBase.cpp1
-rw-r--r--lib/CodeGen/RegAllocFast.cpp1
-rw-r--r--lib/CodeGen/RegAllocPBQP.cpp2
4 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp
index 34518fa46b..95d7a7dd68 100644
--- a/lib/CodeGen/MachineRegisterInfo.cpp
+++ b/lib/CodeGen/MachineRegisterInfo.cpp
@@ -305,8 +305,6 @@ void MachineRegisterInfo::dumpUses(unsigned Reg) const {
#endif
void MachineRegisterInfo::freezeReservedRegs(const MachineFunction &MF) {
- assert (!reservedRegsFrozen() &&
- "freezeReservedRegs should only be called once!");
ReservedRegs = TRI->getReservedRegs(MF);
assert(ReservedRegs.size() == TRI->getNumRegs() &&
"Invalid ReservedRegs vector from target");
diff --git a/lib/CodeGen/RegAllocBase.cpp b/lib/CodeGen/RegAllocBase.cpp
index 2b598e3a56..993dbc71de 100644
--- a/lib/CodeGen/RegAllocBase.cpp
+++ b/lib/CodeGen/RegAllocBase.cpp
@@ -58,6 +58,7 @@ void RegAllocBase::init(VirtRegMap &vrm,
VRM = &vrm;
LIS = &lis;
Matrix = &mat;
+ MRI->freezeReservedRegs(vrm.getMachineFunction());
RegClassInfo.runOnMachineFunction(vrm.getMachineFunction());
}
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index 3744b06f3a..88922169b3 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -1127,6 +1127,7 @@ bool RAFast::runOnMachineFunction(MachineFunction &Fn) {
TM = &Fn.getTarget();
TRI = TM->getRegisterInfo();
TII = TM->getInstrInfo();
+ MRI->freezeReservedRegs(Fn);
RegClassInfo.runOnMachineFunction(Fn);
UsedInInstr.clear();
UsedInInstr.setUniverse(TRI->getNumRegs());
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index f58d45f131..02ebce7a11 100644
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -552,6 +552,8 @@ bool RegAllocPBQP::runOnMachineFunction(MachineFunction &MF) {
vrm = &getAnalysis<VirtRegMap>();
spiller.reset(createInlineSpiller(*this, MF, *vrm));
+ mri->freezeReservedRegs(MF);
+
DEBUG(dbgs() << "PBQP Register Allocating for " << mf->getName() << "\n");
// Allocator main loop: