forked from M-Labs/nac3
core: reduce code duplication in codegen/llvm_intrinsic
This commit is contained in:
parent
f47cdec650
commit
b73f6c4d68
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@ -86,135 +86,6 @@ pub fn call_stackrestore<'ctx>(ctx: &CodeGenContext<'ctx, '_>, ptr: PointerValue
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ctx.builder.build_call(intrinsic_fn, &[ptr.into()], "").unwrap();
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}
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/// Invokes the [`llvm.abs`](https://llvm.org/docs/LangRef.html#llvm-abs-intrinsic) intrinsic.
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///
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/// * `src` - The value for which the absolute value is to be returned.
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/// * `is_int_min_poison` - Whether `poison` is to be returned if `src` is `INT_MIN`.
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pub fn call_int_abs<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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src: IntValue<'ctx>,
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is_int_min_poison: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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const FN_NAME: &str = "llvm.abs";
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debug_assert_eq!(is_int_min_poison.get_type().get_bit_width(), 1);
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debug_assert!(is_int_min_poison.is_const());
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let llvm_src_t = src.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_src_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[src.into(), is_int_min_poison.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_int_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.smax`](https://llvm.org/docs/LangRef.html#llvm-smax-intrinsic) intrinsic.
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pub fn call_int_smax<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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a: IntValue<'ctx>,
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b: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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const FN_NAME: &str = "llvm.smax";
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debug_assert_eq!(a.get_type().get_bit_width(), b.get_type().get_bit_width());
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let llvm_int_t = a.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_int_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[a.into(), b.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_int_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.smin`](https://llvm.org/docs/LangRef.html#llvm-smin-intrinsic) intrinsic.
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pub fn call_int_smin<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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a: IntValue<'ctx>,
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b: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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const FN_NAME: &str = "llvm.smin";
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debug_assert_eq!(a.get_type().get_bit_width(), b.get_type().get_bit_width());
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let llvm_int_t = a.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_int_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[a.into(), b.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_int_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.umax`](https://llvm.org/docs/LangRef.html#llvm-umax-intrinsic) intrinsic.
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pub fn call_int_umax<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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a: IntValue<'ctx>,
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b: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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const FN_NAME: &str = "llvm.umax";
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debug_assert_eq!(a.get_type().get_bit_width(), b.get_type().get_bit_width());
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let llvm_int_t = a.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_int_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[a.into(), b.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_int_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.umin`](https://llvm.org/docs/LangRef.html#llvm-umin-intrinsic) intrinsic.
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pub fn call_int_umin<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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a: IntValue<'ctx>,
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b: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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const FN_NAME: &str = "llvm.umin";
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debug_assert_eq!(a.get_type().get_bit_width(), b.get_type().get_bit_width());
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let llvm_int_t = a.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_int_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[a.into(), b.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_int_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.memcpy`](https://llvm.org/docs/LangRef.html#llvm-memcpy-intrinsic) intrinsic.
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///
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/// * `dest` - The pointer to the destination. Must be a pointer to an integer type.
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@ -294,27 +165,121 @@ pub fn call_memcpy_generic<'ctx>(
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call_memcpy(ctx, dest, src, len, is_volatile);
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}
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/// Invokes the [`llvm.sqrt`](https://llvm.org/docs/LangRef.html#llvm-sqrt-intrinsic) intrinsic.
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pub fn call_float_sqrt<'ctx>(
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/// Macro to geneate llvm intrinsic build call.
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///
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/// Arguments:
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/// * `$ctx:ident`: Reference to the current Code Generation Context
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/// * `$name:ident`: Optional name to be assigned to the llvm build call (Option<&str>)
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/// * `$llvm_name:literal`: Name of underlying llvm intrinsic function
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/// * `$map_fn:ident`: Function from `BasicValueEnum` to be applied on `BasicValue` (`BasicValue` -> Function Return Type)
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/// Use `into_int_value` for Integer return type and `into_float_value` for Float return type
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/// * `$llvm_ty:ident`: Type of first operand
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/// * `,($val:ident)*`: Comma separated list of operands
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macro_rules! helper_generate_llvm_intrinsic_fn_call {
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($ctx:ident, $name:ident, $llvm_name:literal, $map_fn:ident, $llvm_ty:ident $(,$val:ident)*) => {{
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const FN_NAME: &str = concat!("llvm.", $llvm_name);
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let intrinsic_fn = Intrinsic::find(FN_NAME).and_then(|intrinsic| intrinsic.get_declaration(&$ctx.module, &[$llvm_ty.into()])).unwrap();
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$ctx.builder.build_call(intrinsic_fn, &[$($val.into()),*], $name.unwrap_or_default()).map(CallSiteValue::try_as_basic_value).map(|v| v.map_left(BasicValueEnum::$map_fn)).map(Either::unwrap_left).unwrap()
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}};
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}
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/// Macro to conveniently generate llvm intrinsic function call with [`helper_generate_llvm_intrinsic_fn_call`].
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///
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/// Arguments:
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/// * `float/int`: Indicates the return type and argument type of the function
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/// * `$fn_name:ident`: The identifier of the rust function to be generated
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/// * `$llvm_name:literal`: Name of underlying llvm intrinsic function
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/// Omit "llvm." prefix from the function name i.e. use ceil instead of llvm.ceil
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/// * `$val:ident`: The operand for unary operations
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/// * `$val1:ident`, `$val2:ident`: The operands for binary operations
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macro_rules! generate_llvm_intrinsic_fn_call {
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("float", $fn_name:ident, $llvm_name:literal, $val:ident) => {
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#[doc = concat!("Invokes the [`", stringify!($llvm_name), "`](https://llvm.org/docs/LangRef.html#llvm-", stringify!($llvm_name), "-intrinsic) intrinsic." )]
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pub fn $fn_name<'ctx> (
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ctx: &CodeGenContext<'ctx, '_>,
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val: FloatValue<'ctx>,
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$val: FloatValue<'ctx>,
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name: Option<&str>,
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) -> FloatValue<'ctx> {
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const FN_NAME: &str = "llvm.sqrt";
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let llvm_float_t = val.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_float_value))
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.map(Either::unwrap_left)
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.unwrap()
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let llvm_ty = $val.get_type();
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helper_generate_llvm_intrinsic_fn_call!(ctx, name, $llvm_name, into_float_value, llvm_ty, $val)
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}
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};
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("float", $fn_name:ident, $llvm_name:literal, $val1:ident, $val2:ident) => {
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#[doc = concat!("Invokes the [`", stringify!($llvm_name), "`](https://llvm.org/docs/LangRef.html#llvm-", stringify!($llvm_name), "-intrinsic) intrinsic." )]
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pub fn $fn_name<'ctx> (
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ctx: &CodeGenContext<'ctx, '_>,
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$val1: FloatValue<'ctx>,
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$val2: FloatValue<'ctx>,
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name: Option<&str>,
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) -> FloatValue<'ctx> {
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debug_assert_eq!($val1.get_type(), $val2.get_type());
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let llvm_ty = $val1.get_type();
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helper_generate_llvm_intrinsic_fn_call!(ctx, name, $llvm_name, into_float_value, llvm_ty, $val1, $val2)
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}
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};
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("int", $fn_name:ident, $llvm_name:literal, $val1:ident, $val2:ident) => {
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#[doc = concat!("Invokes the [`", stringify!($llvm_name), "`](https://llvm.org/docs/LangRef.html#llvm-", stringify!($llvm_name), "-intrinsic) intrinsic." )]
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pub fn $fn_name<'ctx> (
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ctx: &CodeGenContext<'ctx, '_>,
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$val1: IntValue<'ctx>,
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$val2: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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debug_assert_eq!($val1.get_type().get_bit_width(), $val2.get_type().get_bit_width());
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let llvm_ty = $val1.get_type();
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helper_generate_llvm_intrinsic_fn_call!(ctx, name, $llvm_name, into_int_value, llvm_ty, $val1, $val2)
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}
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};
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}
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/// Invokes the [`llvm.abs`](https://llvm.org/docs/LangRef.html#llvm-abs-intrinsic) intrinsic.
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///
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/// * `src` - The value for which the absolute value is to be returned.
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/// * `is_int_min_poison` - Whether `poison` is to be returned if `src` is `INT_MIN`.
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pub fn call_int_abs<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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src: IntValue<'ctx>,
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is_int_min_poison: IntValue<'ctx>,
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name: Option<&str>,
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) -> IntValue<'ctx> {
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debug_assert_eq!(is_int_min_poison.get_type().get_bit_width(), 1);
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debug_assert!(is_int_min_poison.is_const());
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let src_type = src.get_type();
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helper_generate_llvm_intrinsic_fn_call!(
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ctx,
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name,
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"abs",
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into_int_value,
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src_type,
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src,
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is_int_min_poison
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)
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}
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generate_llvm_intrinsic_fn_call!("int", call_int_smax, "smax", a, b);
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generate_llvm_intrinsic_fn_call!("int", call_int_smin, "smin", a, b);
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generate_llvm_intrinsic_fn_call!("int", call_int_umax, "umax", a, b);
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generate_llvm_intrinsic_fn_call!("int", call_int_umin, "umin", a, b);
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generate_llvm_intrinsic_fn_call!("int", call_expect, "expect", val, expected_val);
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generate_llvm_intrinsic_fn_call!("float", call_float_sqrt, "sqrt", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_sin, "sin", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_cos, "cos", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_pow, "pow", val, power);
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generate_llvm_intrinsic_fn_call!("float", call_float_exp, "exp", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_exp2, "exp2", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_log, "log", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_log10, "log10", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_log2, "log2", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_fabs, "fabs", src);
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generate_llvm_intrinsic_fn_call!("float", call_float_minnum, "minnum", val, power);
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generate_llvm_intrinsic_fn_call!("float", call_float_maxnum, "maxnum", val, power);
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generate_llvm_intrinsic_fn_call!("float", call_float_copysign, "copysign", mag, sgn);
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generate_llvm_intrinsic_fn_call!("float", call_float_floor, "floor", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_ceil, "ceil", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_round, "round", val);
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generate_llvm_intrinsic_fn_call!("float", call_float_rint, "rint", val);
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/// Invokes the [`llvm.powi`](https://llvm.org/docs/LangRef.html#llvm-powi-intrinsic) intrinsic.
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pub fn call_float_powi<'ctx>(
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@ -341,392 +306,3 @@ pub fn call_float_powi<'ctx>(
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.sin`](https://llvm.org/docs/LangRef.html#llvm-sin-intrinsic) intrinsic.
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pub fn call_float_sin<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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val: FloatValue<'ctx>,
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name: Option<&str>,
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) -> FloatValue<'ctx> {
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const FN_NAME: &str = "llvm.sin";
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let llvm_float_t = val.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_float_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.cos`](https://llvm.org/docs/LangRef.html#llvm-cos-intrinsic) intrinsic.
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pub fn call_float_cos<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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val: FloatValue<'ctx>,
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name: Option<&str>,
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) -> FloatValue<'ctx> {
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const FN_NAME: &str = "llvm.cos";
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let llvm_float_t = val.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_float_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.pow`](https://llvm.org/docs/LangRef.html#llvm-pow-intrinsic) intrinsic.
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pub fn call_float_pow<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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val: FloatValue<'ctx>,
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power: FloatValue<'ctx>,
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name: Option<&str>,
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) -> FloatValue<'ctx> {
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const FN_NAME: &str = "llvm.pow";
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debug_assert_eq!(val.get_type(), power.get_type());
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let llvm_float_t = val.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[val.into(), power.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_float_value))
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.map(Either::unwrap_left)
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.unwrap()
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}
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/// Invokes the [`llvm.exp`](https://llvm.org/docs/LangRef.html#llvm-exp-intrinsic) intrinsic.
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pub fn call_float_exp<'ctx>(
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ctx: &CodeGenContext<'ctx, '_>,
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val: FloatValue<'ctx>,
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name: Option<&str>,
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) -> FloatValue<'ctx> {
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const FN_NAME: &str = "llvm.exp";
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let llvm_float_t = val.get_type();
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let intrinsic_fn = Intrinsic::find(FN_NAME)
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.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
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.unwrap();
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ctx.builder
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.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
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.map(CallSiteValue::try_as_basic_value)
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.map(|v| v.map_left(BasicValueEnum::into_float_value))
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.map(Either::unwrap_left)
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.unwrap()
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||||
}
|
||||
|
||||
/// Invokes the [`llvm.exp2`](https://llvm.org/docs/LangRef.html#llvm-exp2-intrinsic) intrinsic.
|
||||
pub fn call_float_exp2<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.exp2";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.log`](https://llvm.org/docs/LangRef.html#llvm-log-intrinsic) intrinsic.
|
||||
pub fn call_float_log<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.log";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.log10`](https://llvm.org/docs/LangRef.html#llvm-log10-intrinsic) intrinsic.
|
||||
pub fn call_float_log10<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.log10";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.log2`](https://llvm.org/docs/LangRef.html#llvm-log2-intrinsic) intrinsic.
|
||||
pub fn call_float_log2<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.log2";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.fabs`](https://llvm.org/docs/LangRef.html#llvm-fabs-intrinsic) intrinsic.
|
||||
pub fn call_float_fabs<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
src: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.fabs";
|
||||
|
||||
let llvm_src_t = src.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_src_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[src.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.minnum`](https://llvm.org/docs/LangRef.html#llvm-minnum-intrinsic) intrinsic.
|
||||
pub fn call_float_minnum<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val1: FloatValue<'ctx>,
|
||||
val2: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.minnum";
|
||||
|
||||
debug_assert_eq!(val1.get_type(), val2.get_type());
|
||||
|
||||
let llvm_float_t = val1.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val1.into(), val2.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.maxnum`](https://llvm.org/docs/LangRef.html#llvm-maxnum-intrinsic) intrinsic.
|
||||
pub fn call_float_maxnum<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val1: FloatValue<'ctx>,
|
||||
val2: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.maxnum";
|
||||
|
||||
debug_assert_eq!(val1.get_type(), val2.get_type());
|
||||
|
||||
let llvm_float_t = val1.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val1.into(), val2.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.copysign`](https://llvm.org/docs/LangRef.html#llvm-copysign-intrinsic) intrinsic.
|
||||
pub fn call_float_copysign<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
mag: FloatValue<'ctx>,
|
||||
sgn: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.copysign";
|
||||
|
||||
debug_assert_eq!(mag.get_type(), sgn.get_type());
|
||||
|
||||
let llvm_float_t = mag.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[mag.into(), sgn.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.floor`](https://llvm.org/docs/LangRef.html#llvm-floor-intrinsic) intrinsic.
|
||||
pub fn call_float_floor<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.floor";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.ceil`](https://llvm.org/docs/LangRef.html#llvm-ceil-intrinsic) intrinsic.
|
||||
pub fn call_float_ceil<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.ceil";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.round`](https://llvm.org/docs/LangRef.html#llvm-round-intrinsic) intrinsic.
|
||||
pub fn call_float_round<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.round";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.rint`](https://llvm.org/docs/LangRef.html#llvm-rint-intrinsic) intrinsic.
|
||||
pub fn call_float_rint<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: FloatValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> FloatValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.rint";
|
||||
|
||||
let llvm_float_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_float_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_float_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
/// Invokes the [`llvm.expect`](https://llvm.org/docs/LangRef.html#llvm-expect-intrinsic) intrinsic.
|
||||
pub fn call_expect<'ctx>(
|
||||
ctx: &CodeGenContext<'ctx, '_>,
|
||||
val: IntValue<'ctx>,
|
||||
expected_val: IntValue<'ctx>,
|
||||
name: Option<&str>,
|
||||
) -> IntValue<'ctx> {
|
||||
const FN_NAME: &str = "llvm.expect";
|
||||
|
||||
debug_assert_eq!(val.get_type().get_bit_width(), expected_val.get_type().get_bit_width());
|
||||
|
||||
let llvm_int_t = val.get_type();
|
||||
|
||||
let intrinsic_fn = Intrinsic::find(FN_NAME)
|
||||
.and_then(|intrinsic| intrinsic.get_declaration(&ctx.module, &[llvm_int_t.into()]))
|
||||
.unwrap();
|
||||
|
||||
ctx.builder
|
||||
.build_call(intrinsic_fn, &[val.into(), expected_val.into()], name.unwrap_or_default())
|
||||
.map(CallSiteValue::try_as_basic_value)
|
||||
.map(|v| v.map_left(BasicValueEnum::into_int_value))
|
||||
.map(Either::unwrap_left)
|
||||
.unwrap()
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue