[WebAssembly] Massive instruction renaming

Summary:
An automated renaming of all the instructions listed at
https://github.com/WebAssembly/spec/issues/884#issuecomment-426433329
as well as some similarly-named identifiers.

Reviewers: aheejin, dschuff, aardappel

Subscribers: sbc100, jgravelle-google, eraman, sunfish, jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D56338

llvm-svn: 350609
diff --git a/llvm/test/CodeGen/WebAssembly/f16.ll b/llvm/test/CodeGen/WebAssembly/f16.ll
index 6ffedd3..645a09a 100644
--- a/llvm/test/CodeGen/WebAssembly/f16.ll
+++ b/llvm/test/CodeGen/WebAssembly/f16.ll
@@ -8,7 +8,7 @@
 
 ; CHECK-LABEL: demote:
 ; CHECK-NEXT: .functype demote (f32) -> (f32){{$}}
-; CHECK-NEXT: get_local	$push[[L0:[0-9]+]]=, 0{{$}}
+; CHECK-NEXT: local.get	$push[[L0:[0-9]+]]=, 0{{$}}
 ; CHECK-NEXT: i32.call	$push[[L1:[0-9]+]]=, __gnu_f2h_ieee@FUNCTION, $pop[[L0]]{{$}}
 ; CHECK-NEXT: f32.call	$push[[L2:[0-9]+]]=, __gnu_h2f_ieee@FUNCTION, $pop[[L1]]{{$}}
 ; CHECK-NEXT: return  	$pop[[L2]]{{$}}
@@ -19,7 +19,7 @@
 
 ; CHECK-LABEL: promote:
 ; CHECK-NEXT: .functype promote (f32) -> (f32){{$}}
-; CHECK-NEXT: get_local	$push0=, 0{{$}}
+; CHECK-NEXT: local.get	$push0=, 0{{$}}
 ; CHECK-NEXT: return  	$pop0{{$}}
 define float @promote(half %f) {
     %t = fpext half %f to float