From 79e4295018dcd65d0d8d9083795c169c5802e013 Mon Sep 17 00:00:00 2001
From: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Mon, 25 Nov 2024 14:24:21 +0100
Subject: [PATCH] Prepend crate name to functions with nr2

gcc/rust/ChangeLog:

	* backend/rust-compile-base.cc: Prepend crate name to function's ir
	name.

gcc/testsuite/ChangeLog:

	* rust/compile/nr2/exclude: Remove passing tests from exclude list.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
---
 gcc/rust/backend/rust-compile-base.cc  | 11 ++++++++++-
 gcc/testsuite/rust/compile/nr2/exclude |  6 ------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/gcc/rust/backend/rust-compile-base.cc b/gcc/rust/backend/rust-compile-base.cc
index d272374cadc3..e39c2a993257 100644
--- a/gcc/rust/backend/rust-compile-base.cc
+++ b/gcc/rust/backend/rust-compile-base.cc
@@ -25,7 +25,8 @@
 #include "rust-compile-type.h"
 #include "rust-constexpr.h"
 #include "rust-diagnostics.h"
-#include "rust-expr.h"	// for AST::AttrInputLiteral
+#include "rust-expr.h" // for AST::AttrInputLiteral
+#include "rust-hir-map.h"
 #include "rust-macro.h" // for AST::MetaNameValueStr
 #include "rust-hir-path-probe.h"
 #include "rust-type-util.h"
@@ -39,6 +40,9 @@
 #include "tree.h"
 #include "print-tree.h"
 
+// rust-name-resolution-2.0
+#include "options.h"
+
 namespace Rust {
 namespace Compile {
 
@@ -667,6 +671,11 @@ HIRCompileBase::compile_function (
     }
   std::string asm_name = fn_name;
 
+  auto &mappings = Analysis::Mappings::get ();
+
+  if (flag_name_resolution_2_0)
+    ir_symbol_name = mappings.get_current_crate_name () + "::" + ir_symbol_name;
+
   unsigned int flags = 0;
   tree fndecl = Backend::function (compiled_fn_type, ir_symbol_name,
 				   "" /* asm_name */, flags, locus);
diff --git a/gcc/testsuite/rust/compile/nr2/exclude b/gcc/testsuite/rust/compile/nr2/exclude
index 6c589e4ab4e5..b282f05637d2 100644
--- a/gcc/testsuite/rust/compile/nr2/exclude
+++ b/gcc/testsuite/rust/compile/nr2/exclude
@@ -1,7 +1,3 @@
-attr-mismatch-crate-name.rs
-attr_deprecated.rs
-attr_deprecated_2.rs
-bad=file-name.rs
 bounds1.rs
 break-rust2.rs
 break-rust3.rs
@@ -45,7 +41,6 @@ generics6.rs
 generics8.rs
 generics9.rs
 if_let_expr.rs
-infer-crate-name.rs
 issue-1019.rs
 issue-1031.rs
 issue-1034.rs
@@ -156,7 +151,6 @@ redef_error6.rs
 self-path1.rs
 self-path2.rs
 sizeof-stray-infer-var-bug.rs
-specify-crate-name.rs
 stmt_with_block_dot.rs
 struct-expr-parse.rs
 traits1.rs