MachineRegisterInfo: Remove UsedPhysReg infrastructure

[oota-llvm.git] / lib / Target / AMDGPU / SIPrepareScratchRegs.cpp

diff --git a/lib/Target/AMDGPU/SIPrepareScratchRegs.cpp b/lib/Target/AMDGPU/SIPrepareScratchRegs.cpp
index 0a7f684552f03a4ed3087e2b545d5ee85728aec0..b086d2ed6652368e9aadc0f277e0879cb2b5f655 100644 (file)
--- a/lib/Target/AMDGPU/SIPrepareScratchRegs.cpp
+++ b/lib/Target/AMDGPU/SIPrepareScratchRegs.cpp
@@ -91,7 +91,6 @@ bool SIPrepareScratchRegs::runOnMachineFunction(MachineFunction &MF) {
 
   if (ScratchOffsetReg != AMDGPU::NoRegister) {
     // Found an SGPR to use
-    MRI.setPhysRegUsed(ScratchOffsetReg);
     BuildMI(*Entry, I, DL, TII->get(AMDGPU::S_MOV_B32), ScratchOffsetReg)
             .addReg(ScratchOffsetPreloadReg);
   } else {