diff options
| author | 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com> | 2024-11-25 00:39:05 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-25 00:39:05 +0800 |
| commit | 8d20d71256af83d1e26a1f8c402c9938d3d1de86 (patch) | |
| tree | a7182a13660766d3e7a752ccce0b4116e1b58fb3 /compiler/rustc_codegen_llvm/src | |
| parent | 6bf9a2363dc4546c3d476d2945fe5444d5b642d8 (diff) | |
| parent | 7cc5feea4d31a96e23c95f26fbee8e77a968c937 (diff) | |
| download | rust-8d20d71256af83d1e26a1f8c402c9938d3d1de86.tar.gz rust-8d20d71256af83d1e26a1f8c402c9938d3d1de86.zip | |
Rollup merge of #133297 - DianQK:embed-bitcode-ios, r=nikic
Remove legacy bitcode for iOS Follow #117364.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/back/write.rs | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index a65ae4df1e3..00f7b479fa7 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -955,24 +955,7 @@ pub(crate) fn bitcode_section_name(cgcx: &CodegenContext<LlvmCodegenBackend>) -> } } -/// Embed the bitcode of an LLVM module in the LLVM module itself. -/// -/// This is done primarily for iOS where it appears to be standard to compile C -/// code at least with `-fembed-bitcode` which creates two sections in the -/// executable: -/// -/// * __LLVM,__bitcode -/// * __LLVM,__cmdline -/// -/// It appears *both* of these sections are necessary to get the linker to -/// recognize what's going on. A suitable cmdline value is taken from the -/// target spec. -/// -/// Furthermore debug/O1 builds don't actually embed bitcode but rather just -/// embed an empty section. -/// -/// Basically all of this is us attempting to follow in the footsteps of clang -/// on iOS. See #35968 for lots more info. +/// Embed the bitcode of an LLVM module for LTO in the LLVM module itself. unsafe fn embed_bitcode( cgcx: &CodegenContext<LlvmCodegenBackend>, llcx: &llvm::Context, |