WebAssembly: update syntax

Summary:
Follow the same syntax as for the spec repo. Both have evolved slightly
independently and need to converge again.

This, along with wasmate changes, allows me to do the following:

  echo "int add(int a, int b) { return a + b; }" > add.c
  ./out/bin/clang -O2 -S --target=wasm32-unknown-unknown add.c -o add.wack
  ./experimental/prototype-wasmate/wasmate.py add.wack > add.wast
  ./sexpr-wasm-prototype/out/sexpr-wasm add.wast -o add.wasm
  ./sexpr-wasm-prototype/third_party/v8-native-prototype/v8/v8/out/Release/d8 -e "print(WASM.instantiateModule(readbuffer('add.wasm'), {print:print}).add(42, 1337));"

As you'd expect, the d8 shell prints out the right value.

Reviewers: sunfish

Subscribers: jfb, llvm-commits, dschuff

Differential Revision: http://reviews.llvm.org/D13712

llvm-svn: 250480
diff --git a/llvm/test/CodeGen/WebAssembly/store.ll b/llvm/test/CodeGen/WebAssembly/store.ll
index aa5578e..0db9120 100644
--- a/llvm/test/CodeGen/WebAssembly/store.ll
+++ b/llvm/test/CodeGen/WebAssembly/store.ll
@@ -8,11 +8,12 @@
 ; CHECK-LABEL: sti32:
 ; CHECK-NEXT: .param i32{{$}}
 ; CHECK-NEXT: .param i32{{$}}
-; CHECK-NEXT: @1{{$}}
-; CHECK-NEXT: set_local @2, pop{{$}}
-; CHECK-NEXT: @0{{$}}
-; CHECK-NEXT: set_local @3, pop{{$}}
-; CHECK-NEXT: store_i32 @3, @2{{$}}
+; CHECK-NEXT: .local i32, i32{{$}}
+; CHECK-NEXT: get_local 1{{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
+; CHECK-NEXT: get_local 0{{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+; CHECK-NEXT: store_i32 (get_local 3), (get_local 2){{$}}
 ; CHECK-NEXT: return{{$}}
 define void @sti32(i32 *%p, i32 %v) {
   store i32 %v, i32* %p
@@ -22,11 +23,12 @@
 ; CHECK-LABEL: sti64:
 ; CHECK-NEXT: .param i32{{$}}
 ; CHECK-NEXT: .param i64{{$}}
-; CHECK-NEXT: @1{{$}}
-; CHECK-NEXT: set_local @2, pop{{$}}
-; CHECK-NEXT: @0{{$}}
-; CHECK-NEXT: set_local @3, pop{{$}}
-; CHECK-NEXT: store_i64 @3, @2{{$}}
+; CHECK-NEXT: .local i64, i32{{$}}
+; CHECK-NEXT: get_local 1{{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
+; CHECK-NEXT: get_local 0{{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+; CHECK-NEXT: store_i64 (get_local 3), (get_local 2){{$}}
 ; CHECK-NEXT: return{{$}}
 define void @sti64(i64 *%p, i64 %v) {
   store i64 %v, i64* %p
@@ -36,11 +38,12 @@
 ; CHECK-LABEL: stf32:
 ; CHECK-NEXT: .param i32{{$}}
 ; CHECK-NEXT: .param f32{{$}}
-; CHECK-NEXT: @1{{$}}
-; CHECK-NEXT: set_local @2, pop{{$}}
-; CHECK-NEXT: @0{{$}}
-; CHECK-NEXT: set_local @3, pop{{$}}
-; CHECK-NEXT: store_f32 @3, @2{{$}}
+; CHECK-NEXT: .local f32, i32{{$}}
+; CHECK-NEXT: get_local 1{{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
+; CHECK-NEXT: get_local 0{{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+; CHECK-NEXT: store_f32 (get_local 3), (get_local 2){{$}}
 ; CHECK-NEXT: return{{$}}
 define void @stf32(float *%p, float %v) {
   store float %v, float* %p
@@ -50,11 +53,12 @@
 ; CHECK-LABEL: stf64:
 ; CHECK-NEXT: .param i32{{$}}
 ; CHECK-NEXT: .param f64{{$}}
-; CHECK-NEXT: @1{{$}}
-; CHECK-NEXT: set_local @2, pop{{$}}
-; CHECK-NEXT: @0{{$}}
-; CHECK-NEXT: set_local @3, pop{{$}}
-; CHECK-NEXT: store_f64 @3, @2{{$}}
+; CHECK-NEXT: .local f64, i32{{$}}
+; CHECK-NEXT: get_local 1{{$}}
+; CHECK-NEXT: set_local 2, pop{{$}}
+; CHECK-NEXT: get_local 0{{$}}
+; CHECK-NEXT: set_local 3, pop{{$}}
+; CHECK-NEXT: store_f64 (get_local 3), (get_local 2){{$}}
 ; CHECK-NEXT: return{{$}}
 define void @stf64(double *%p, double %v) {
   store double %v, double* %p