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Diffstat (limited to 'lib/CodeGen/RegAllocBase.cpp')
-rw-r--r--lib/CodeGen/RegAllocBase.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocBase.cpp b/lib/CodeGen/RegAllocBase.cpp
index f4774dcab0..1f824a8fdb 100644
--- a/lib/CodeGen/RegAllocBase.cpp
+++ b/lib/CodeGen/RegAllocBase.cpp
@@ -14,6 +14,7 @@
#define DEBUG_TYPE "regalloc"
#include "RegAllocBase.h"
+#include "LiveRegMatrix.h"
#include "Spiller.h"
#include "VirtRegMap.h"
#include "llvm/ADT/Statistic.h"
@@ -134,6 +135,11 @@ void RegAllocBase::seedLiveRegs() {
}
void RegAllocBase::assign(LiveInterval &VirtReg, unsigned PhysReg) {
+ // FIXME: This diversion is temporary.
+ if (Matrix) {
+ Matrix->assign(VirtReg, PhysReg);
+ return;
+ }
DEBUG(dbgs() << "assigning " << PrintReg(VirtReg.reg, TRI)
<< " to " << PrintReg(PhysReg, TRI) << '\n');
assert(!VRM->hasPhys(VirtReg.reg) && "Duplicate VirtReg assignment");
@@ -144,6 +150,11 @@ void RegAllocBase::assign(LiveInterval &VirtReg, unsigned PhysReg) {
}
void RegAllocBase::unassign(LiveInterval &VirtReg, unsigned PhysReg) {
+ // FIXME: This diversion is temporary.
+ if (Matrix) {
+ Matrix->unassign(VirtReg);
+ return;
+ }
DEBUG(dbgs() << "unassigning " << PrintReg(VirtReg.reg, TRI)
<< " from " << PrintReg(PhysReg, TRI) << '\n');
assert(VRM->getPhys(VirtReg.reg) == PhysReg && "Inconsistent unassign");
@@ -170,6 +181,8 @@ void RegAllocBase::allocatePhysRegs() {
// Invalidate all interference queries, live ranges could have changed.
invalidateVirtRegs();
+ if (Matrix)
+ Matrix->invalidateVirtRegs();
// selectOrSplit requests the allocator to return an available physical
// register if possible and populate a list of new live intervals that