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Allow multiple instrumentation attributes

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Four because that's the new reasonable maximum for XRay instrumentation
attributes in the following commit.
This commit is contained in:
Oleksii Lozovskyi 2022-09-24 21:54:47 +09:00
parent d748f08547
commit b3cadd2dcf
1 changed files with 5 additions and 5 deletions
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10
compiler/rustc_codegen_llvm/src/attributes.rs
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@ -118,7 +118,8 @@ pub fn frame_pointer_type_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attr
/// Tell LLVM what instrument function to insert.
#[inline]
fn instrument_function_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
fn instrument_function_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> SmallVec<[&'ll Attribute; 4]> {
let mut attrs = SmallVec::new();
if cx.sess().opts.unstable_opts.instrument_mcount {
// Similar to `clang -pg` behavior. Handled by the
// `post-inline-ee-instrument` LLVM pass.
@ -127,14 +128,13 @@ fn instrument_function_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribu
// See test/CodeGen/mcount.c in clang.
let mcount_name = cx.sess().target.mcount.as_ref();
Some(llvm::CreateAttrStringValue(
attrs.push(llvm::CreateAttrStringValue(
cx.llcx,
"instrument-function-entry-inlined",
&mcount_name,
))
} else {
None
));
}
attrs
}
fn nojumptables_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {