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| author | gnzlbg <gonzalobg88@gmail.com> | 2019-02-09 15:55:30 +0100 |
|---|---|---|
| committer | gnzlbg <gonzalobg88@gmail.com> | 2019-02-23 15:48:40 +0100 |
| commit | c4b46ace556f3e4776d06ea7672daba6b243a80f (patch) | |
| tree | 34033c65f3206aeb933e7784cbb19cb0d22405fa /src/librustc_codegen_llvm | |
| parent | bcfb5e8ac30c46ba512526d66f803756c124c7bb (diff) | |
| download | rust-c4b46ace556f3e4776d06ea7672daba6b243a80f.tar.gz rust-c4b46ace556f3e4776d06ea7672daba6b243a80f.zip | |
Implement ffi_returns_twice attribute
Diffstat (limited to 'src/librustc_codegen_llvm')
| -rw-r--r-- | src/librustc_codegen_llvm/attributes.rs | 3 | ||||
| -rw-r--r-- | src/librustc_codegen_llvm/llvm/ffi.rs | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/librustc_codegen_llvm/attributes.rs b/src/librustc_codegen_llvm/attributes.rs index 827ebff10f5..dab5cab65cd 100644 --- a/src/librustc_codegen_llvm/attributes.rs +++ b/src/librustc_codegen_llvm/attributes.rs @@ -223,6 +223,9 @@ pub fn from_fn_attrs( if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::COLD) { Attribute::Cold.apply_llfn(Function, llfn); } + if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::FFI_RETURNS_TWICE) { + Attribute::ReturnsTwice.apply_llfn(Function, llfn); + } if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) { naked(llfn, true); } diff --git a/src/librustc_codegen_llvm/llvm/ffi.rs b/src/librustc_codegen_llvm/llvm/ffi.rs index e761d2247a7..fe2664118f7 100644 --- a/src/librustc_codegen_llvm/llvm/ffi.rs +++ b/src/librustc_codegen_llvm/llvm/ffi.rs @@ -114,6 +114,7 @@ pub enum Attribute { SanitizeMemory = 22, NonLazyBind = 23, OptimizeNone = 24, + ReturnsTwice = 25, } /// LLVMIntPredicate |