add wasm eh intrinsics

rust-lang · Jun 7, 2023 · 00ce5e8 · 00ce5e8
1 parent 82336c1
commit 00ce5e8
Show file tree

Hide file tree

Showing 3 changed files with 9 additions and 0 deletions.
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
@@ -662,6 +662,10 @@ impl<'ll> CodegenCx<'ll, '_> {
         let t_f32 = self.type_f32();
         let t_f64 = self.type_f64();
         let t_metadata = self.type_metadata();
+        let t_token = self.type_token();
+
+        ifn!("llvm.wasm.get.exception", fn(t_token) -> i8p);
+        ifn!("llvm.wasm.get.ehselector", fn(t_token) -> t_i32);
 
         ifn!("llvm.wasm.trunc.unsigned.i32.f32", fn(t_f32) -> t_i32);
         ifn!("llvm.wasm.trunc.unsigned.i32.f64", fn(t_f64) -> t_i32);

diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -1071,6 +1071,7 @@ extern "C" {
 
     // Operations on other types
     pub fn LLVMVoidTypeInContext(C: &Context) -> &Type;
+    pub fn LLVMTokenTypeInContext(C: &Context) -> &Type;
     pub fn LLVMMetadataTypeInContext(C: &Context) -> &Type;
 
     // Operations on all values

diff --git a/compiler/rustc_codegen_llvm/src/type_.rs b/compiler/rustc_codegen_llvm/src/type_.rs
@@ -52,6 +52,10 @@ impl<'ll> CodegenCx<'ll, '_> {
         unsafe { llvm::LLVMVoidTypeInContext(self.llcx) }
     }
 
+    pub(crate) fn type_token(&self) -> &'ll Type {
+        unsafe { llvm::LLVMTokenTypeInContext(self.llcx) }
+    }
+
     pub(crate) fn type_metadata(&self) -> &'ll Type {
         unsafe { llvm::LLVMMetadataTypeInContext(self.llcx) }
     }