r249176 - [WebAssembly] Add a __builtin_wasm_memory_size() intrinsic.

[Dan Gohman via cfe-commits]

Author: djg
Date: Fri Oct  2 14:38:47 2015
New Revision: 249176

URL: http://llvm.org/viewvc/llvm-project?rev=249176&view=rev
Log:
[WebAssembly] Add a __builtin_wasm_memory_size() intrinsic.

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    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=249176&r1=249175&r2=249176&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsWebAssembly.def Fri Oct  2 14:38:47 2015
@@ -17,5 +17,6 @@
 // The format of this database matches clang/Basic/Builtins.def.
 
 BUILTIN(__builtin_wasm_page_size, "z", "nc")
+BUILTIN(__builtin_wasm_memory_size, "z", "nc")
 
 #undef BUILTIN

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=249176&r1=249175&r2=249176&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Fri Oct  2 14:38:47 2015
@@ -7048,6 +7048,11 @@ Value *CodeGenFunction::EmitWebAssemblyB
     Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_page_size, ResultType);
     return Builder.CreateCall(Callee);
   }
+  case WebAssembly::BI__builtin_wasm_memory_size: {
+    llvm::Type *ResultType = ConvertType(E->getType());
+    Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_memory_size, ResultType);
+    return Builder.CreateCall(Callee);
+  }
 
   default:
     return nullptr;

Modified: cfe/trunk/test/CodeGen/builtins-wasm.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-wasm.c?rev=249176&r1=249175&r2=249176&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-wasm.c (original)
+++ cfe/trunk/test/CodeGen/builtins-wasm.c Fri Oct  2 14:38:47 2015
@@ -8,3 +8,9 @@ __SIZE_TYPE__ f0(void) {
 // WEBASSEMBLY32: call {{i.*}} @llvm.wasm.page.size.i32()
 // WEBASSEMBLY64: call {{i.*}} @llvm.wasm.page.size.i64()
 }
+
+__SIZE_TYPE__ f1(void) {
+  return __builtin_wasm_memory_size();
+// WEBASSEMBLY32: call {{i.*}} @llvm.wasm.memory.size.i32()
+// WEBASSEMBLY64: call {{i.*}} @llvm.wasm.memory.size.i64()
+}