rustc: Add support for calling LLVM intrinsics as native functions

3 files changed, 4 insertions, 0 deletions

diff --git a/src/comp/front/ast.rs b/src/comp/front/ast.rs
index b1dbd80e..c4c1a56b 100644
--- a/src/comp/front/ast.rs
+++ b/src/comp/front/ast.rs
@@ -346,6 +346,7 @@ type _mod = rec(vec[@view_item] view_items,
 tag native_abi {
     native_abi_rust;
     native_abi_cdecl;
+    native_abi_llvm;
 }
 
 type native_mod = rec(str native_name,
diff --git a/src/comp/front/creader.rs b/src/comp/front/creader.rs
index 6a864053..f1003cb6 100644
--- a/src/comp/front/creader.rs
+++ b/src/comp/front/creader.rs
@@ -162,6 +162,7 @@ impure fn parse_sty(@pstate st, str_def sd) -> ty.sty {
             alt (next(st) as char) {
                 case ('r') {abi = ast.native_abi_rust;}
                 case ('c') {abi = ast.native_abi_cdecl;}
+                case ('l') {abi = ast.native_abi_llvm;}
             }
             auto func = parse_ty_fn(st, sd);
             ret ty.ty_native_fn(abi,func._0,func._1);
diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index c8130b0b..4a9f37f0 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -1964,6 +1964,8 @@ impure fn parse_item_native_mod(parser p) -> @ast.item {
         if (_str.eq(t, "cdecl")) {
         } else if (_str.eq(t, "rust")) {
             abi = ast.native_abi_rust;
+        } else if (_str.eq(t, "llvm")) {
+            abi = ast.native_abi_llvm;
         } else {
             p.err("unsupported abi: " + t);
             fail;