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set frame pointer elimination attribute for main #37556

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Merged
merged 1 commit into from
Nov 6, 2016
Merged

set frame pointer elimination attribute for main #37556

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3 changes: 3 additions & 0 deletions src/librustc_trans/base.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1196,6 +1196,9 @@ pub fn maybe_create_entry_wrapper(ccx: &CrateContext) {
}
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 {
llvm::LLVMAppendBasicBlockInContext(ccx.llcx(), llfn, "top\0".as_ptr() as *const _)
};
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