[llvm] AMDGPU] ISel & PEI for whole wave functions (PR #131334)

[Carl Ritson via llvm-commits]

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@@ -5773,6 +5774,16 @@ void SIInstrInfo::restoreExec(MachineFunction &MF, MachineBasicBlock &MBB,
     Indexes->insertMachineInstrInMaps(*ExecRestoreMI);
 }
 
+MachineInstr *
+SIInstrInfo::getWholeWaveFunctionSetup(MachineBasicBlock &MBB) const {
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perlfu wrote:

Presumably this could just work on MachineFunction -- I don't think you are going to be asking for this on a per-block basis?

https://github.com/llvm/llvm-project/pull/131334