Rollup merge of #69747 - spastorino:rename-rustc-guide, r=pietroalbini

[rust.git] / src / librustc_codegen_llvm / attributes.rs

diff --git a/src/librustc_codegen_llvm/attributes.rs b/src/librustc_codegen_llvm/attributes.rs
index e3920d99c90bc644f5b5364428119f9b9b05b94c..a9e4fdba030366ee60a2d104da1290cdcd68ae14 100644 (file)
--- a/src/librustc_codegen_llvm/attributes.rs
+++ b/src/librustc_codegen_llvm/attributes.rs
@@ -46,6 +46,31 @@ fn inline(cx: &CodegenCx<'ll, '_>, val: &'ll Value, inline: InlineAttr) {
     };
 }
 
+/// Apply LLVM sanitize attributes.
+#[inline]
+pub fn sanitize(cx: &CodegenCx<'ll, '_>, codegen_fn_flags: CodegenFnAttrFlags, llfn: &'ll Value) {
+    if let Some(ref sanitizer) = cx.tcx.sess.opts.debugging_opts.sanitizer {
+        match *sanitizer {
+            Sanitizer::Address => {
+                if !codegen_fn_flags.contains(CodegenFnAttrFlags::NO_SANITIZE_ADDRESS) {
+                    llvm::Attribute::SanitizeAddress.apply_llfn(Function, llfn);
+                }
+            }
+            Sanitizer::Memory => {
+                if !codegen_fn_flags.contains(CodegenFnAttrFlags::NO_SANITIZE_MEMORY) {
+                    llvm::Attribute::SanitizeMemory.apply_llfn(Function, llfn);
+                }
+            }
+            Sanitizer::Thread => {
+                if !codegen_fn_flags.contains(CodegenFnAttrFlags::NO_SANITIZE_THREAD) {
+                    llvm::Attribute::SanitizeThread.apply_llfn(Function, llfn);
+                }
+            }
+            Sanitizer::Leak => {}
+        }
+    }
+}
+
 /// Tell LLVM to emit or not emit the information necessary to unwind the stack for the function.
 #[inline]
 pub fn emit_uwtable(val: &'ll Value, emit: bool) {
@@ -288,6 +313,7 @@ pub fn from_fn_attrs(
     if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::ALLOCATOR) {
         Attribute::NoAlias.apply_llfn(llvm::AttributePlace::ReturnValue, llfn);
     }
+    sanitize(cx, codegen_fn_attrs.flags, llfn);
 
     unwind(
         llfn,