Precommit tests

Author: lukel97

llvm/test/CodeGen/RISCV/rvv/vmv.v.v-peephole.ll

@@ -222,3 +222,16 @@ define <vscale x 1 x i64> @vleff_move_past_passthru(ptr %p, ptr %q, iXLen %avl)
   %b = call <vscale x 1 x i64> @llvm.riscv.vmv.v.v.nxv1i64(<vscale x 1 x i64> %passthru, <vscale x 1 x i64> %vec, iXLen %avl)
   ret <vscale x 1 x i64> %b
 }
+
+define <vscale x 1 x i64> @vmerge(<vscale x 1 x i64> %passthru, <vscale x 1 x i64> %x, <vscale x 1 x i64> %y, <vscale x 1 x i1> %m, iXLen %avl) {
+; CHECK-LABEL: vmerge:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    vsetvli zero, a0, e64, m1, tu, ma
+; CHECK-NEXT:    vmv1r.v v11, v8
+; CHECK-NEXT:    vmerge.vvm v11, v9, v10, v0
+; CHECK-NEXT:    vmv.v.v v8, v11
+; CHECK-NEXT:    ret
+  %a = call <vscale x 1 x i64> @llvm.riscv.vmerge.nxv1i64.nxv1i64(<vscale x 1 x i64> %passthru, <vscale x 1 x i64> %x, <vscale x 1 x i64> %y, <vscale x 1 x i1> %m, iXLen %avl)
+  %b = call <vscale x 1 x i64> @llvm.riscv.vmv.v.v.nxv1i64(<vscale x 1 x i64> %passthru, <vscale x 1 x i64> %a, iXLen %avl)
+  ret <vscale x 1 x i64> %b
+}

llvm/test/CodeGen/RISCV/rvv/vmv.v.v-peephole.mir

@@ -152,3 +152,20 @@ body: |
     %y:gpr = ADDI $x0, 1
     %z:vr = PseudoVMV_V_V_M1 %passthru, %x, 4, 5 /* e32 */, 0 /* tu, mu */
 ...
+---
+name: vmerge_vvm
+body: |
+  bb.0:
+    liveins: $v8, $v0
+    ; CHECK-LABEL: name: vmerge_vvm
+    ; CHECK: liveins: $v8, $v0
+    ; CHECK-NEXT: {{  $}}
+    ; CHECK-NEXT: %passthru:vr = COPY $v8
+    ; CHECK-NEXT: %mask:vmv0 = COPY $v0
+    ; CHECK-NEXT: %x:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %passthru, $noreg, %mask, 4, 5 /* e32 */
+    ; CHECK-NEXT: %z:vr = PseudoVMV_V_V_M1 %passthru, %x, 4, 5 /* e32 */, 0 /* tu, mu */
+    %passthru:vr = COPY $v8
+    %mask:vmv0 = COPY $v0
+    %x:vrnov0 = PseudoVMERGE_VVM_M1 $noreg, %passthru, $noreg, %mask, 4, 5 /* e32 */
+    %z:vr = PseudoVMV_V_V_M1 %passthru, %x, 4, 5 /* e32 */, 0 /* tu, mu */
+...