[llvm] [RISCV][VLOPT] Add vfirst and vcpop to getOperandInfo (PR #122295)

[Craig Topper via llvm-commits]

================
@@ -1438,3 +1438,63 @@ body: |
     %x:vr = nofpexcept PseudoVFCVT_X_F_V_M1 $noreg, $noreg, 0, -1, 5 /* e32 */, 0
     %y:vr = PseudoVFREDMAX_VS_MF2_E32 $noreg, %x, %x, 1, 5 /* e32 */, 0
 ...
+---
+name: vfirst_v
+body: |
+  bb.0:
+    ; CHECK-LABEL: name: vfirst_v
+    ; CHECK: %x:vr = PseudoVMAND_MM_B8 $noreg, $noreg, 1, 0 /* e8 */
+    ; CHECK-NEXT: %y:gpr = PseudoVFIRST_M_B8 %x, 1, 0 /* e8 */
+    %x:vr = PseudoVMAND_MM_B8 $noreg, $noreg, -1, 0
+    %y:gpr = PseudoVFIRST_M_B8 %x, 1, 0
+...
+---
+name: vfirst_v_incompatible_eew
+body: |
+  bb.0:
+    ; CHECK-LABEL: name: vfirst_v_incompatible_eew
+    ; CHECK: %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0 /* tu, mu */
+    ; CHECK-NEXT: %y:gpr = PseudoVFIRST_M_B8 %x, 1, 0 /* e8 */
+    %x:vr = PseudoVADD_VV_M1 $noreg, $noreg, $noreg, -1, 3 /* e8 */, 0
+    %y:gpr = PseudoVFIRST_M_B8 %x, 1, 0
+...
+---
+name: vfirst_v_incompaitble_emul
----------------
topperc wrote:

incompatible*

https://github.com/llvm/llvm-project/pull/122295