Precommit test

Author: lukel97

llvm/test/CodeGen/RISCV/rvv/vmerge-peephole.mir

@@ -116,3 +116,24 @@ body: |
     %vfmadd:vrnov0 = nofpexcept PseudoVFMADD_VV_M1_E32 %x, %y, %passthru, 7, -1, 5 /* e32 */, 3 /* ta, ma */, implicit $frm
     %vmerge:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %vfmadd, %mask, %avl, 5
 ...
+---
+name: true_copy
+body: |
+  bb.0:
+    liveins: $x8, $v0, $v8
+    ; CHECK-LABEL: name: true_copy
+    ; CHECK: liveins: $x8, $v0, $v8
+    ; CHECK-NEXT: {{  $}}
+    ; CHECK-NEXT: %avl:gprnox0 = COPY $x8
+    ; CHECK-NEXT: %passthru:vrnov0 = COPY $v8
+    ; CHECK-NEXT: %x:vr = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size, align 1)
+    ; CHECK-NEXT: %mask:vmv0 = COPY $v0
+    ; CHECK-NEXT: %y:vrnov0 = COPY %x
+    ; CHECK-NEXT: %z:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %y, %mask, %avl, 5 /* e32 */
+    %avl:gprnox0 = COPY $x8
+    %passthru:vrnov0 = COPY $v8
+    %x:vr = PseudoVLE32_V_M1 $noreg, $noreg, %avl, 5 /* e32 */, 2 /* tu, ma */ :: (load unknown-size)
+    %mask:vmv0 = COPY $v0
+    %y:vrnov0 = COPY %x
+    %z:vrnov0 = PseudoVMERGE_VVM_M1 %passthru, %passthru, %y, %mask, %avl, 5 /* e32 */
+...