Index: llvm/trunk/test/CodeGen/WebAssembly/reg-copy.mir
===================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/reg-copy.mir
+++ llvm/trunk/test/CodeGen/WebAssembly/reg-copy.mir
@@ -0,0 +1,57 @@
+# RUN: llc -mtriple=wasm32-unknown-unknown %s -o - -run-pass=postrapseudos | FileCheck %s
+
+---
+name: copy_i32
+# CHECK-LABEL: copy_i32
+body: |
+  ; CHECK-LABEL: bb.0:
+  ; CHECK-NEXT: %0:i32 = COPY_I32 %1:i32
+  ; CHECK-NEXT: RETURN_VOID
+  bb.0:
+    %0:i32 = COPY %1:i32
+    RETURN_VOID implicit-def $arguments
+...
+---
+name: copy_i64
+# CHECK-LABEL: copy_i64
+body:             |
+  ; CHECK-LABEL: bb.0:
+  ; CHECK-NEXT: %0:i64 = COPY_I64 %1:i64
+  ; CHECK-NEXT: RETURN_VOID
+  bb.0:
+    %0:i64 = COPY %1:i64
+    RETURN_VOID implicit-def $arguments
+...
+---
+name: copy_f32
+# CHECK-LABEL: copy_f32
+body: |
+  ; CHECK-LABEL: bb.0:
+  ; CHECK-NEXT: %0:f32 = COPY_F32 %1:f32
+  ; CHECK-NEXT: RETURN_VOID
+  bb.0:
+    %0:f32 = COPY %1:f32
+    RETURN_VOID implicit-def $arguments
+...
+---
+name: copy_f64
+# CHECK-LABEL: copy_f64
+body: |
+  ; CHECK-LABEL: bb.0:
+  ; CHECK-NEXT: %0:f64 = COPY_F64 %1:f64
+  ; CHECK-NEXT: RETURN_VOID
+  bb.0:
+    %0:f64 = COPY %1:f64
+    RETURN_VOID implicit-def $arguments
+...
+---
+name: copy_v128
+# CHECK-LABEL: copy_v128
+body: |
+  ; CHECK-LABEL: bb.0:
+  ; CHECK-NEXT: %0:v128 = COPY_V128 %1:v128
+  ; CHECK-NEXT: RETURN_VOID
+  bb.0:
+    %0:v128 = COPY %1:v128
+    RETURN_VOID implicit-def $arguments
+...
Index: llvm/trunk/test/CodeGen/WebAssembly/regcopy.mir
===================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/regcopy.mir
+++ llvm/trunk/test/CodeGen/WebAssembly/regcopy.mir
@@ -1,80 +0,0 @@
-# RUN: llc %s -o - -run-pass=postrapseudos | FileCheck %s
---- |
-  target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
-  target triple = "wasm32-unknown-unknown"
-
-  define void @copy_i32() {
-    ret void
-  }
-
-  define void @copy_i64() {
-    ret void
-  }
-
-  define void @copy_f32() {
-    ret void
-  }
-
-  define void @copy_f64() {
-    ret void
-  }
-
-  define void @copy_v128() {
-    ret void
-  }
-...
----
-name: copy_i32
-# CHECK-LABEL: copy_i32
-body:             |
-  ; CHECK-LABEL: bb.0:
-  ; CHECK-NEXT: %0:i32 = COPY_I32 %1:i32
-  ; CHECK-NEXT: RETURN_VOID
-  bb.0:
-    %0:i32 = COPY %1:i32
-    RETURN_VOID implicit-def $arguments
-...
----
-name: copy_i64
-# CHECK-LABEL: copy_i64
-body:             |
-  ; CHECK-LABEL: bb.0:
-  ; CHECK-NEXT: %0:i64 = COPY_I64 %1:i64
-  ; CHECK-NEXT: RETURN_VOID
-  bb.0:
-    %0:i64 = COPY %1:i64
-    RETURN_VOID implicit-def $arguments
-...
----
-name: copy_f32
-# CHECK-LABEL: copy_f32
-body:             |
-  ; CHECK-LABEL: bb.0:
-  ; CHECK-NEXT: %0:f32 = COPY_F32 %1:f32
-  ; CHECK-NEXT: RETURN_VOID
-  bb.0:
-    %0:f32 = COPY %1:f32
-    RETURN_VOID implicit-def $arguments
-...
----
-name: copy_f64
-# CHECK-LABEL: copy_f64
-body:             |
-  ; CHECK-LABEL: bb.0:
-  ; CHECK-NEXT: %0:f64 = COPY_F64 %1:f64
-  ; CHECK-NEXT: RETURN_VOID
-  bb.0:
-    %0:f64 = COPY %1:f64
-    RETURN_VOID implicit-def $arguments
-...
----
-name: copy_v128
-# CHECK-LABEL: copy_v128
-body:             |
-  ; CHECK-LABEL: bb.0:
-  ; CHECK-NEXT: %0:v128 = COPY_V128 %1:v128
-  ; CHECK-NEXT: RETURN_VOID
-  bb.0:
-    %0:v128 = COPY %1:v128
-    RETURN_VOID implicit-def $arguments
-...