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Explicitly set calling convention

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This commit is contained in:
Richard Feldman 2020-03-26 22:54:07 -04:00
parent 7bb2a4e3b8
commit 76fd347801
2 changed files with 17 additions and 0 deletions
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10
compiler/gen/src/llvm/build.rs
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@ -24,6 +24,10 @@ const PRINT_FN_VERIFICATION_OUTPUT: bool = true;
#[cfg(not(debug_assertions))]
const PRINT_FN_VERIFICATION_OUTPUT: bool = false;
// 0 is the C calling convention - see https://llvm.org/doxygen/namespacellvm_1_1CallingConv.html
// TODO: experiment with different internal calling conventions, e.g. "fast"
const DEFAULT_CALLING_CONVENTION: u32 = 0;
type Scope<'a, 'ctx> = ImMap<Symbol, (Layout<'a>, PointerValue<'ctx>)>;
pub struct Env<'a, 'ctx, 'env> {
@ -211,6 +215,8 @@ pub fn build_expr<'a, 'ctx, 'env>(
}
};
call.set_call_convention(DEFAULT_CALLING_CONVENTION);
call.try_as_basic_value()
.left()
.unwrap_or_else(|| panic!("LLVM error: Invalid call by pointer."))
@ -865,6 +871,8 @@ pub fn build_proc_header<'a, 'ctx, 'env>(
Some(Linkage::Private),
);
fn_val.set_call_conventions(DEFAULT_CALLING_CONVENTION);
(fn_val, arg_basic_types)
}
@ -1103,6 +1111,8 @@ fn call_with_args<'a, 'ctx, 'env>(
.builder
.build_call(fn_val, arg_vals.into_bump_slice(), "call");
call.set_call_convention(DEFAULT_CALLING_CONVENTION);
call.try_as_basic_value()
.left()
.unwrap_or_else(|| panic!("LLVM error: Invalid call by name for name {:?}", symbol))