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Merge pull request #3870 from roc-lang/dev-backend-div

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add int/float division to the dev backend
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Folkert de Vries 2022-08-25 09:03:19 +02:00 • committed by GitHub
commit 51d5aa789a
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10 changed files with 384 additions and 40 deletions
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12
crates/compiler/gen_llvm/src/llvm/build.rs
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@ -6266,9 +6266,9 @@ fn run_low_level<'a, 'ctx, 'env>(
}
NumAdd | NumSub | NumMul | NumLt | NumLte | NumGt | NumGte | NumRemUnchecked
| NumIsMultipleOf | NumAddWrap | NumAddChecked | NumAddSaturated | NumDivUnchecked
| NumDivCeilUnchecked | NumPow | NumPowInt | NumSubWrap | NumSubChecked
| NumSubSaturated | NumMulWrap | NumMulSaturated | NumMulChecked => {
| NumIsMultipleOf | NumAddWrap | NumAddChecked | NumAddSaturated | NumDivFrac
| NumDivTruncUnchecked | NumDivCeilUnchecked | NumPow | NumPowInt | NumSubWrap
| NumSubChecked | NumSubSaturated | NumMulWrap | NumMulSaturated | NumMulChecked => {
debug_assert_eq!(args.len(), 2);
let (lhs_arg, lhs_layout) = load_symbol_and_layout(scope, &args[0]);
@ -7072,7 +7072,7 @@ fn build_int_binop<'a, 'ctx, 'env>(
&[lhs.into(), rhs.into()],
&bitcode::NUM_POW_INT[int_width],
),
NumDivUnchecked => {
NumDivTruncUnchecked => {
if int_width.is_signed() {
bd.build_int_signed_div(lhs, rhs, "div_int").into()
} else {
@ -7253,7 +7253,7 @@ fn build_float_binop<'a, 'ctx, 'env>(
NumGte => bd.build_float_compare(OGE, lhs, rhs, "float_gte").into(),
NumLt => bd.build_float_compare(OLT, lhs, rhs, "float_lt").into(),
NumLte => bd.build_float_compare(OLE, lhs, rhs, "float_lte").into(),
NumDivUnchecked => bd.build_float_div(lhs, rhs, "div_float").into(),
NumDivFrac => bd.build_float_div(lhs, rhs, "div_float").into(),
NumPow => env.call_intrinsic(&LLVM_POW[float_width], &[lhs.into(), rhs.into()]),
_ => {
unreachable!("Unrecognized int binary operation: {:?}", op);
@ -7370,7 +7370,7 @@ fn build_dec_binop<'a, 'ctx, 'env>(
rhs,
"decimal multiplication overflowed",
),
NumDivUnchecked => dec_binop_with_unchecked(env, bitcode::DEC_DIV, lhs, rhs),
NumDivFrac => dec_binop_with_unchecked(env, bitcode::DEC_DIV, lhs, rhs),
_ => {
unreachable!("Unrecognized int binary operation: {:?}", op);
}