[llvm] [AMDGPU] si-peephole-sdwa: Fix cndmask vcc use for wave32 (PR #139541)

[Matt Arsenault via llvm-commits]

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@@ -1105,6 +1105,7 @@ void SIPeepholeSDWA::convertVcndmaskToVOP2(MachineInstr &MI,
                        .add(*TII->getNamedOperand(MI, AMDGPU::OpName::src0))
                        .add(*TII->getNamedOperand(MI, AMDGPU::OpName::src1))
                        .setMIFlags(MI.getFlags());
+  TII->fixImplicitOperands(*Converted);
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arsenm wrote:

It just occurred to me that this shouldn't be introducing the VOP2 form. It should directly go to SDWA or do nothing 

https://github.com/llvm/llvm-project/pull/139541