r356436 - [WebAssembly] Change wasm.throw's first argument to an immediate

[Heejin Ahn via cfe-commits]

Author: aheejin
Date: Mon Mar 18 21:58:59 2019
New Revision: 356436

URL: http://llvm.org/viewvc/llvm-project?rev=356436&view=rev
Log:
[WebAssembly] Change wasm.throw's first argument to an immediate

Summary:
`wasm.throw` builtin's first 'tag' argument should be an immediate index
into the event section.

Reviewers: dschuff, craig.topper

Subscribers: sbc100, jgravelle-google, sunfish, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D59448

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def
    cfe/trunk/test/CodeGen/builtins-wasm.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def?rev=356436&r1=356435&r2=356436&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def Mon Mar 18 21:58:59 2019
@@ -36,7 +36,7 @@ BUILTIN(__builtin_wasm_min_f64, "ddd", "
 BUILTIN(__builtin_wasm_max_f64, "ddd", "nc")
 
 // Exception handling builtins.
-TARGET_BUILTIN(__builtin_wasm_throw, "vUiv*", "r", "exception-handling")
+TARGET_BUILTIN(__builtin_wasm_throw, "vIUiv*", "r", "exception-handling")
 TARGET_BUILTIN(__builtin_wasm_rethrow_in_catch, "v", "r", "exception-handling")
 
 // Atomic wait and notify.

Modified: cfe/trunk/test/CodeGen/builtins-wasm.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-wasm.c?rev=356436&r1=356435&r2=356436&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-wasm.c (original)
+++ cfe/trunk/test/CodeGen/builtins-wasm.c Mon Mar 18 21:58:59 2019
@@ -38,10 +38,10 @@ void data_drop() {
   // WEBASSEMBLY64: call void @llvm.wasm.data.drop(i32 3)
 }
 
-void throw(unsigned int tag, void *obj) {
-  return __builtin_wasm_throw(tag, obj);
-  // WEBASSEMBLY32: call void @llvm.wasm.throw(i32 %{{.*}}, i8* %{{.*}})
-  // WEBASSEMBLY64: call void @llvm.wasm.throw(i32 %{{.*}}, i8* %{{.*}})
+void throw(void *obj) {
+  return __builtin_wasm_throw(0, obj);
+  // WEBASSEMBLY32: call void @llvm.wasm.throw(i32 0, i8* %{{.*}})
+  // WEBASSEMBLY64: call void @llvm.wasm.throw(i32 0, i8* %{{.*}})
 }
 
 void rethrow_in_catch(void) {