Index: lib/Target/WebAssembly/WebAssemblyInstrCall.td
===================================================================
--- lib/Target/WebAssembly/WebAssemblyInstrCall.td
+++ lib/Target/WebAssembly/WebAssemblyInstrCall.td
@@ -25,19 +25,19 @@
                        [(WebAssemblycallseq_end timm:$amt, undef)]>;
 } // isCodeGenOnly = 1
 
-multiclass CALL<WebAssemblyRegClass vt> {
+multiclass CALL<WebAssemblyRegClass vt, string prefix> {
   def CALL_#vt : I<(outs vt:$dst), (ins i32imm:$callee, variable_ops),
                    [(set vt:$dst, (WebAssemblycall1 (i32 imm:$callee)))],
-                   "call    \t$dst, $callee">;
+                   !strconcat(prefix, "call    \t$dst, $callee")>;
   def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
                             [(set vt:$dst, (WebAssemblycall1 I32:$callee))],
-                            "call_indirect\t$dst, $callee">;
+                            !strconcat(prefix, "call_indirect\t$dst, $callee")>;
 }
 let Uses = [SP32, SP64], isCall = 1 in {
-  defm : CALL<I32>;
-  defm : CALL<I64>;
-  defm : CALL<F32>;
-  defm : CALL<F64>;
+  defm : CALL<I32, "i32.">;
+  defm : CALL<I64, "i64.">;
+  defm : CALL<F32, "f32.">;
+  defm : CALL<F64, "f64.">;
 
   def CALL_VOID : I<(outs), (ins i32imm:$callee, variable_ops),
                     [(WebAssemblycall0 (i32 imm:$callee))],
Index: test/CodeGen/WebAssembly/call.ll
===================================================================
--- test/CodeGen/WebAssembly/call.ll
+++ test/CodeGen/WebAssembly/call.ll
@@ -15,7 +15,7 @@
 
 ; CHECK-LABEL: call_i32_nullary:
 ; CHECK-NEXT: .result i32{{$}}
-; CHECK-NEXT: call $push[[NUM:[0-9]+]]=, i32_nullary{{$}}
+; CHECK-NEXT: {{^}} i32.call $push[[NUM:[0-9]+]]=, i32_nullary{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define i32 @call_i32_nullary() {
   %r = call i32 @i32_nullary()
@@ -24,7 +24,7 @@
 
 ; CHECK-LABEL: call_i64_nullary:
 ; CHECK-NEXT: .result i64{{$}}
-; CHECK-NEXT: call $push[[NUM:[0-9]+]]=, i64_nullary{{$}}
+; CHECK-NEXT: {{^}} i64.call $push[[NUM:[0-9]+]]=, i64_nullary{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define i64 @call_i64_nullary() {
   %r = call i64 @i64_nullary()
@@ -33,7 +33,7 @@
 
 ; CHECK-LABEL: call_float_nullary:
 ; CHECK-NEXT: .result f32{{$}}
-; CHECK-NEXT: call $push[[NUM:[0-9]+]]=, float_nullary{{$}}
+; CHECK-NEXT: {{^}} f32.call $push[[NUM:[0-9]+]]=, float_nullary{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define float @call_float_nullary() {
   %r = call float @float_nullary()
@@ -42,7 +42,7 @@
 
 ; CHECK-LABEL: call_double_nullary:
 ; CHECK-NEXT: .result f64{{$}}
-; CHECK-NEXT: call $push[[NUM:[0-9]+]]=, double_nullary{{$}}
+; CHECK-NEXT: {{^}} f64.call $push[[NUM:[0-9]+]]=, double_nullary{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define double @call_double_nullary() {
   %r = call double @double_nullary()
@@ -50,7 +50,7 @@
 }
 
 ; CHECK-LABEL: call_void_nullary:
-; CHECK-NEXT: call void_nullary{{$}}
+; CHECK-NEXT: {{^}} call void_nullary{{$}}
 ; CHECK-NEXT: return{{$}}
 define void @call_void_nullary() {
   call void @void_nullary()
@@ -60,7 +60,7 @@
 ; CHECK-LABEL: call_i32_unary:
 ; CHECK-NEXT: .param i32{{$}}
 ; CHECK-NEXT: .result i32{{$}}
-; CHECK-NEXT: call $push[[NUM:[0-9]+]]=, i32_unary, $0{{$}}
+; CHECK-NEXT: {{^}} i32.call $push[[NUM:[0-9]+]]=, i32_unary, $0{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define i32 @call_i32_unary(i32 %a) {
   %r = call i32 @i32_unary(i32 %a)
@@ -70,7 +70,7 @@
 ; CHECK-LABEL: call_i32_binary:
 ; CHECK-NEXT: .param i32, i32{{$}}
 ; CHECK-NEXT: .result i32{{$}}
-; CHECK-NEXT: call $push[[NUM:[0-9]+]]=, i32_binary, $0, $1{{$}}
+; CHECK-NEXT: {{^}} i32.call $push[[NUM:[0-9]+]]=, i32_binary, $0, $1{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define i32 @call_i32_binary(i32 %a, i32 %b) {
   %r = call i32 @i32_binary(i32 %a, i32 %b)
@@ -79,7 +79,7 @@
 
 ; CHECK-LABEL: call_indirect_void:
 ; CHECK-NEXT: .param i32{{$}}
-; CHECK-NEXT: call_indirect $0{{$}}
+; CHECK-NEXT: {{^}} call_indirect $0{{$}}
 ; CHECK-NEXT: return{{$}}
 define void @call_indirect_void(void ()* %callee) {
   call void %callee()
@@ -89,7 +89,7 @@
 ; CHECK-LABEL: call_indirect_i32:
 ; CHECK-NEXT: .param i32{{$}}
 ; CHECK-NEXT: .result i32{{$}}
-; CHECK-NEXT: call_indirect $push[[NUM:[0-9]+]]=, $0{{$}}
+; CHECK-NEXT: {{^}} i32.call_indirect $push[[NUM:[0-9]+]]=, $0{{$}}
 ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 define i32 @call_indirect_i32(i32 ()* %callee) {
   %t = call i32 %callee()
@@ -97,7 +97,7 @@
 }
 
 ; CHECK-LABEL: tail_call_void_nullary:
-; CHECK-NEXT: call void_nullary{{$}}
+; CHECK-NEXT: {{^}} call void_nullary{{$}}
 ; CHECK-NEXT: return{{$}}
 define void @tail_call_void_nullary() {
   tail call void @void_nullary()
@@ -105,7 +105,7 @@
 }
 
 ; CHECK-LABEL: fastcc_tail_call_void_nullary:
-; CHECK-NEXT: call void_nullary{{$}}
+; CHECK-NEXT: {{^}} call void_nullary{{$}}
 ; CHECK-NEXT: return{{$}}
 define void @fastcc_tail_call_void_nullary() {
   tail call fastcc void @void_nullary()
@@ -113,7 +113,7 @@
 }
 
 ; CHECK-LABEL: coldcc_tail_call_void_nullary:
-; CHECK-NEXT: call void_nullary
+; CHECK-NEXT: {{^}} call void_nullary
 ; CHECK-NEXT: return{{$}}
 define void @coldcc_tail_call_void_nullary() {
   tail call coldcc void @void_nullary()