[PATCH] D146791: Guard against dereferencing a nullptr

[LuoYuanke via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG842dc35fc932: Guard against dereferencing a nullptr (authored by akshaykhadse, committed by LuoYuanke).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146791/new/

https://reviews.llvm.org/D146791

Files:
  llvm/lib/Target/AMDGPU/SIFrameLowering.cpp


Index: llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
+++ llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
@@ -1350,6 +1350,7 @@
             TII->getNamedOperand(MI, AMDGPU::OpName::vdata)->getReg();
           if (FuncInfo->allocateVGPRSpillToAGPR(MF, FI,
                                                 TRI->isAGPR(MRI, VReg))) {
+            assert(RS != nullptr);
             // FIXME: change to enterBasicBlockEnd()
             RS->enterBasicBlock(MBB);
             TRI->eliminateFrameIndex(MI, 0, FIOp, RS);


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