[AMDGPU] si-peephole-sdwa: Fix cndmask vcc use for wave32

Author: frederik-h

llvm/lib/Target/AMDGPU/SIPeepholeSDWA.cpp

@@ -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);
   LLVM_DEBUG(dbgs() << "Converted to VOP2: " << *Converted);
   (void)Converted;
   MI.eraseFromParent();

llvm/test/CodeGen/AMDGPU/sdwa-peephole-cndmask-fail.ll

@@ -1,15 +1,15 @@
 ; RUN: llc %s -march=amdgcn -mcpu=gfx1030 -o - 2>&1 | FileCheck %s
-; XFAIL: *
 
-; V_CNDMASK_B32_e64 gets converted to V_CNDMASK_B32_e32, but the
-; expected conversion to SDWA does not occur.  FIXME This leads to a
+; In this test, V_CNDMASK_B32_e64 gets converted to V_CNDMASK_B32_e32,
+; but the expected conversion to SDWA does not occur.  This led to a
 ; compilation error, because the use of $vcc in the resulting
-; instruction must be fixed to $vcc_lo for wave32. This only happens
+; instruction must be fixed to $vcc_lo for wave32 which only happened
 ; after the full conversion to SDWA.
 
 
 ; CHECK-NOT: {{.*}}V_CNDMASK_B32_e32{{.*}}$vcc
 ; CHECK-NOT: {{.*}}Bad machine code: Virtual register defs don't dominate all uses
+; CHECK: {{.*}}v_cndmask_b32_e32{{.*}}vcc_lo
 
 ; ModuleID = 'test.ll'
 source_filename = "test.ll"