diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2007-09-26 06:25:56 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-09-26 06:25:56 +0000 |
| commit | 9efce638d307b2c71bd7f0258d47501661434c27 (patch) | |
| tree | ff8e23600c1a2e9ba48a6010a2ec8a84c84f785b /lib/CodeGen/VirtRegMap.cpp | |
| parent | 61001b8bd47adcf413dbb5b2a8c95cf22ec4bf7a (diff) | |
Allow copyRegToReg to emit cross register classes copies.
Tested with "make check"!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index 8a1432ec89..c6ac4b208d 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -926,7 +926,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) { const TargetRegisterClass* RC = MF.getSSARegMap()->getRegClass(VirtReg); MF.setPhysRegUsed(DesignatedReg); ReusedOperands.markClobbered(DesignatedReg); - MRI->copyRegToReg(MBB, &MI, DesignatedReg, PhysReg, RC); + MRI->copyRegToReg(MBB, &MI, DesignatedReg, PhysReg, RC, RC); MachineInstr *CopyMI = prior(MII); UpdateKills(*CopyMI, RegKills, KillOps); @@ -1009,8 +1009,9 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) { if (unsigned InReg = Spills.getSpillSlotOrReMatPhysReg(SS)) { DOUT << "Promoted Load To Copy: " << MI; if (DestReg != InReg) { - MRI->copyRegToReg(MBB, &MI, DestReg, InReg, - MF.getSSARegMap()->getRegClass(VirtReg)); + const TargetRegisterClass *RC = + MF.getSSARegMap()->getRegClass(VirtReg); + MRI->copyRegToReg(MBB, &MI, DestReg, InReg, RC, RC); // Revisit the copy so we make sure to notice the effects of the // operation on the destreg (either needing to RA it if it's // virtual or needing to clobber any values if it's physical). |