bjoernager/rust
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set frame pointer elimination attribute for main

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The rustc-generated function `main` should respect the same config for
frame pointer elimination as the rest of code.
This commit is contained in:
Dominik Inführ 2016-11-03 10:53:13 +01:00
parent f9f45c6dac
commit 7d06bdd4a1
1 changed files with 3 additions and 0 deletions
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3
src/librustc_trans/base.rs
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@ -1196,6 +1196,9 @@ pub fn maybe_create_entry_wrapper(ccx: &CrateContext) {
} }
let llfn = declare::declare_cfn(ccx, "main", llfty); let llfn = declare::declare_cfn(ccx, "main", llfty);
// `main` should respect same config for frame pointer elimination as rest of code
attributes::set_frame_pointer_elimination(ccx, llfn);
let llbb = unsafe { let llbb = unsafe {
llvm::LLVMAppendBasicBlockInContext(ccx.llcx(), llfn, "top\0".as_ptr() as *const _) llvm::LLVMAppendBasicBlockInContext(ccx.llcx(), llfn, "top\0".as_ptr() as *const _)
}; };