[AMDGPU] Remove unused variable AllSGPRSpilledToVGPRs. NFC

Summary:
Removing the unused variable AllSGPRSpilledToVGPRs in
SIFrameLowering::processFunctionBeforeFrameFinalized
to avoid
  error: variable 'AllSGPRSpilledToVGPRs' set but not used
  [-Werror=unused-but-set-variable]

Reviewers: arsenm, nhaehnle

Reviewed By: nhaehnle

Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63721

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364190 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/SIFrameLowering.cpp b/lib/Target/AMDGPU/SIFrameLowering.cpp
index c2880244b66e3898dc603a7fa13a3c3d16b9b832..8ded85f00f63b7c16823ee9b47a5a29b9d6ed21e 100644 (file)
--- a/lib/Target/AMDGPU/SIFrameLowering.cpp
+++ b/lib/Target/AMDGPU/SIFrameLowering.cpp
@@ -754,11 +754,8 @@ void SIFrameLowering::processFunctionBeforeFrameFinalized(
   const SIInstrInfo *TII = ST.getInstrInfo();
   const SIRegisterInfo &TRI = TII->getRegisterInfo();
   SIMachineFunctionInfo *FuncInfo = MF.getInfo<SIMachineFunctionInfo>();
-  bool AllSGPRSpilledToVGPRs = false;
 
   if (TRI.spillSGPRToVGPR() && FuncInfo->hasSpilledSGPRs()) {
-    AllSGPRSpilledToVGPRs = true;
-
     // Process all SGPR spills before frame offsets are finalized. Ideally SGPRs
     // are spilled to VGPRs, in which case we can eliminate the stack usage.
     //
@@ -780,8 +777,7 @@ void SIFrameLowering::processFunctionBeforeFrameFinalized(
             bool Spilled = TRI.eliminateSGPRToVGPRSpillFrameIndex(MI, FI, RS);
             (void)Spilled;
             assert(Spilled && "failed to spill SGPR to VGPR when allocated");
-          } else
-            AllSGPRSpilledToVGPRs = false;
+          }
         }
       }
     }