Merge pull request #2367 from rust-lang/rustc-pull

Rustc pull update

1 files changed, 10 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index 4ec69995518..ed50515b707 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -698,6 +698,16 @@ impl<'ll, CX: Borrow<SCx<'ll>>> GenericCx<'ll, CX> {
             llvm::LLVMMDStringInContext2(self.llcx(), name.as_ptr() as *const c_char, name.len())
         })
     }
+
+    pub(crate) fn get_functions(&self) -> Vec<&'ll Value> {
+        let mut functions = vec![];
+        let mut func = unsafe { llvm::LLVMGetFirstFunction(self.llmod()) };
+        while let Some(f) = func {
+            functions.push(f);
+            func = unsafe { llvm::LLVMGetNextFunction(f) }
+        }
+        functions
+    }
 }
 
 impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {