bjoernager/rust
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Add a helper method with an explicit name instead of hand rolling a match 3x

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This commit is contained in:
Oli Scherer 2022-07-05 09:26:45 +00:00
parent 7839cb963f
commit c3aec3056e
2 changed files with 9 additions and 3 deletions
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6
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -286,7 +286,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
let newval = match (r_t_in, r_t_out) {
(CastTy::Int(i), CastTy::Int(_)) => {
bx.intcast(llval, ll_t_out, matches!(i, IntTy::I))
bx.intcast(llval, ll_t_out, i.is_signed())
}
(CastTy::Float, CastTy::Float) => {
let srcsz = bx.cx().float_width(ll_t_in);
@ -300,7 +300,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
}
}
(CastTy::Int(i), CastTy::Float) => {
if matches!(i, IntTy::I) {
if i.is_signed() {
bx.sitofp(llval, ll_t_out)
} else {
bx.uitofp(llval, ll_t_out)
@ -311,7 +311,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
}
(CastTy::Int(i), CastTy::Ptr(_)) => {
let usize_llval =
bx.intcast(llval, bx.cx().type_isize(), matches!(i, IntTy::I));
bx.intcast(llval, bx.cx().type_isize(), i.is_signed());
bx.inttoptr(usize_llval, ll_t_out)
}
(CastTy::Float, CastTy::Int(IntTy::I)) => {