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Use SmallStr when building target-features LLVM attribute

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This commit is contained in:
Tomasz Miąsko 2022-03-03 00:00:00 +00:00
parent 725c11ef3c
commit b6f845f225
1 changed files with 2 additions and 1 deletions
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3
compiler/rustc_codegen_llvm/src/attributes.rs
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@ -1,6 +1,7 @@
//! Set and unset common attributes on LLVM values. //! Set and unset common attributes on LLVM values.
use rustc_codegen_ssa::traits::*; use rustc_codegen_ssa::traits::*;
use rustc_data_structures::small_str::SmallStr;
use rustc_hir::def_id::DefId; use rustc_hir::def_id::DefId;
use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
use rustc_middle::ty::{self, TyCtxt}; use rustc_middle::ty::{self, TyCtxt};
@ -382,7 +383,7 @@ pub fn from_fn_attrs<'ll, 'tcx>(
let val = global_features let val = global_features
.chain(function_features.iter().map(|s| &s[..])) .chain(function_features.iter().map(|s| &s[..]))
.intersperse(",") .intersperse(",")
.collect::<String>(); .collect::<SmallStr<1024>>();
to_add.push(llvm::CreateAttrStringValue(cx.llcx, "target-features", &val)); to_add.push(llvm::CreateAttrStringValue(cx.llcx, "target-features", &val));
} }