diff --git a/llvm/test/CodeGen/WebAssembly/regcopy.mir b/llvm/test/CodeGen/WebAssembly/regcopy.mir
--- a/llvm/test/CodeGen/WebAssembly/regcopy.mir
+++ b/llvm/test/CodeGen/WebAssembly/regcopy.mir
@@ -1,32 +1,9 @@
-# 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"
+# RUN: llc -mtriple=wasm32-unknown-unknown %s -o - -run-pass=postrapseudos | FileCheck %s
 
-  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:             |
+body: |
   ; CHECK-LABEL: bb.0:
   ; CHECK-NEXT: %0:i32 = COPY_I32 %1:i32
   ; CHECK-NEXT: RETURN_VOID
@@ -48,7 +25,7 @@
 ---
 name: copy_f32
 # CHECK-LABEL: copy_f32
-body:             |
+body: |
   ; CHECK-LABEL: bb.0:
   ; CHECK-NEXT: %0:f32 = COPY_F32 %1:f32
   ; CHECK-NEXT: RETURN_VOID
@@ -59,7 +36,7 @@
 ---
 name: copy_f64
 # CHECK-LABEL: copy_f64
-body:             |
+body: |
   ; CHECK-LABEL: bb.0:
   ; CHECK-NEXT: %0:f64 = COPY_F64 %1:f64
   ; CHECK-NEXT: RETURN_VOID
@@ -70,7 +47,7 @@
 ---
 name: copy_v128
 # CHECK-LABEL: copy_v128
-body:             |
+body: |
   ; CHECK-LABEL: bb.0:
   ; CHECK-NEXT: %0:v128 = COPY_V128 %1:v128
   ; CHECK-NEXT: RETURN_VOID