[llvm-branch-commits] [llvm] [AMDGPU] Extending wave reduction intrinsics for `i64` types - 3 (PR #151310)

[Matt Arsenault via llvm-branch-commits]

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@@ -5189,10 +5196,41 @@ static MachineBasicBlock *lowerWaveReduce(MachineInstr &MI,
                 .addReg(NewAccumulator->getOperand(0).getReg())
                 .addImm(1)
                 .setOperandDead(3); // Dead scc
-            BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
-                .addReg(SrcReg)
-                .addReg(ParityRegister);
-            break;
+            if (is32BitOpc) {
+              BuildMI(BB, MI, DL, TII->get(AMDGPU::S_MUL_I32), DstReg)
+                  .addReg(SrcReg)
+                  .addReg(ParityRegister);
+              break;
+            } else {
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arsenm wrote:

No else after break 

https://github.com/llvm/llvm-project/pull/151310