[llvm-branch-commits] [llvm] [amdgpu-cfi: 4/9]: [AMDGPU] Emit entry function Dwarf CFI (PR #183152)

[Matt Arsenault via llvm-branch-commits]

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@@ -2187,3 +2212,15 @@ bool SIFrameLowering::requiresStackPointerReference(
   // references the SP, like variable sized stack objects.
   return frameTriviallyRequiresSP(MFI);
 }
+
+MachineInstr *SIFrameLowering::buildCFI(MachineBasicBlock &MBB,
+                                        MachineBasicBlock::iterator MBBI,
+                                        const DebugLoc &DL,
+                                        const MCCFIInstruction &CFIInst,
+                                        MachineInstr::MIFlag flag) const {
+  MachineFunction &MF = *MBB.getParent();
+  const SIInstrInfo *TII = MF.getSubtarget<GCNSubtarget>().getInstrInfo();
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arsenm wrote:

There probably should be a subtarget reference in FrameLowering 

https://github.com/llvm/llvm-project/pull/183152