mirror of
https://github.com/rust-lang/rust
synced 2024-07-20 18:05:58 +00:00
Fix assertion when attempting to convert f16 and f128 with as
These types are currently rejected for `as` casts by the compiler. Remove this incorrect check and add codegen tests for all conversions involving these types.
This commit is contained in:
Trevor Gross
parent
b71e8cbaf2
commit
488ddd3bbc
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@ -247,7 +247,10 @@ fn cast_float_to_int(
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} else {
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(in_ty, dest_ty)
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};
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assert!(matches!(self.cx().type_kind(float_ty), TypeKind::Float | TypeKind::Double));
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assert!(matches!(
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self.cx().type_kind(float_ty),
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TypeKind::Half | TypeKind::Float | TypeKind::Double | TypeKind::FP128
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));
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assert_eq!(self.cx().type_kind(int_ty), TypeKind::Integer);
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if let Some(false) = self.cx().sess().opts.unstable_opts.saturating_float_casts {
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@ -2,6 +2,7 @@
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#![crate_type = "lib"]
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#![feature(f128)]
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#![feature(f16)]
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#![feature(core_intrinsics)]
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// CHECK-LABEL: i1 @f128_eq(
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@ -127,3 +128,196 @@ pub fn f128_rem_assign(a: &mut f128, b: f128) {
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// CHECK-NEXT: store fp128 %{{.+}}, ptr %{{.+}}
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*a %= b
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}
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/* float to float conversions */
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// CHECK-LABEL: half @f128_as_f16(
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#[no_mangle]
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pub fn f128_as_f16(a: f128) -> f16 {
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// CHECK: fptrunc fp128 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: float @f128_as_f32(
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#[no_mangle]
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pub fn f128_as_f32(a: f128) -> f32 {
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// CHECK: fptrunc fp128 %{{.+}} to float
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a as f32
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}
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// CHECK-LABEL: double @f128_as_f64(
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#[no_mangle]
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pub fn f128_as_f64(a: f128) -> f64 {
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// CHECK: fptrunc fp128 %{{.+}} to double
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a as f64
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}
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// CHECK-LABEL: fp128 @f128_as_self(
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#[no_mangle]
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pub fn f128_as_self(a: f128) -> f128 {
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// CHECK: ret fp128 %{{.+}}
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a as f128
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}
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// CHECK-LABEL: fp128 @f16_as_f128(
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#[no_mangle]
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pub fn f16_as_f128(a: f16) -> f128 {
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// CHECK: fpext half %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @f32_as_f128(
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#[no_mangle]
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pub fn f32_as_f128(a: f32) -> f128 {
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// CHECK: fpext float %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @f64_as_f128(
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#[no_mangle]
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pub fn f64_as_f128(a: f64) -> f128 {
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// CHECK: fpext double %{{.+}} to fp128
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a as f128
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}
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/* float to int conversions */
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// CHECK-LABEL: i8 @f128_as_u8(
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#[no_mangle]
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pub fn f128_as_u8(a: f128) -> u8 {
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// CHECK: call i8 @llvm.fptoui.sat.i8.f128(fp128 %{{.+}})
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a as u8
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}
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#[no_mangle]
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pub fn f128_as_u16(a: f128) -> u16 {
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// CHECK: call i16 @llvm.fptoui.sat.i16.f128(fp128 %{{.+}})
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a as u16
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}
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// CHECK-LABEL: i32 @f128_as_u32(
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#[no_mangle]
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pub fn f128_as_u32(a: f128) -> u32 {
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// CHECK: call i32 @llvm.fptoui.sat.i32.f128(fp128 %{{.+}})
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a as u32
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}
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// CHECK-LABEL: i64 @f128_as_u64(
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#[no_mangle]
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pub fn f128_as_u64(a: f128) -> u64 {
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// CHECK: call i64 @llvm.fptoui.sat.i64.f128(fp128 %{{.+}})
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a as u64
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}
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// CHECK-LABEL: i128 @f128_as_u128(
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#[no_mangle]
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pub fn f128_as_u128(a: f128) -> u128 {
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// CHECK: call i128 @llvm.fptoui.sat.i128.f128(fp128 %{{.+}})
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a as u128
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}
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// CHECK-LABEL: i8 @f128_as_i8(
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#[no_mangle]
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pub fn f128_as_i8(a: f128) -> i8 {
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// CHECK: call i8 @llvm.fptosi.sat.i8.f128(fp128 %{{.+}})
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a as i8
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}
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// CHECK-LABEL: i16 @f128_as_i16(
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#[no_mangle]
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pub fn f128_as_i16(a: f128) -> i16 {
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// CHECK: call i16 @llvm.fptosi.sat.i16.f128(fp128 %{{.+}})
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a as i16
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}
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// CHECK-LABEL: i32 @f128_as_i32(
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#[no_mangle]
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pub fn f128_as_i32(a: f128) -> i32 {
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// CHECK: call i32 @llvm.fptosi.sat.i32.f128(fp128 %{{.+}})
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a as i32
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}
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// CHECK-LABEL: i64 @f128_as_i64(
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#[no_mangle]
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pub fn f128_as_i64(a: f128) -> i64 {
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// CHECK: call i64 @llvm.fptosi.sat.i64.f128(fp128 %{{.+}})
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a as i64
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}
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// CHECK-LABEL: i128 @f128_as_i128(
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#[no_mangle]
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pub fn f128_as_i128(a: f128) -> i128 {
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// CHECK: call i128 @llvm.fptosi.sat.i128.f128(fp128 %{{.+}})
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a as i128
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}
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/* int to float conversions */
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// CHECK-LABEL: fp128 @u8_as_f128(
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#[no_mangle]
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pub fn u8_as_f128(a: u8) -> f128 {
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// CHECK: uitofp i8 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @u16_as_f128(
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#[no_mangle]
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pub fn u16_as_f128(a: u16) -> f128 {
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// CHECK: uitofp i16 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @u32_as_f128(
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#[no_mangle]
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pub fn u32_as_f128(a: u32) -> f128 {
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// CHECK: uitofp i32 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @u64_as_f128(
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#[no_mangle]
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pub fn u64_as_f128(a: u64) -> f128 {
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// CHECK: uitofp i64 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @u128_as_f128(
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#[no_mangle]
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pub fn u128_as_f128(a: u128) -> f128 {
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// CHECK: uitofp i128 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @i8_as_f128(
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#[no_mangle]
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pub fn i8_as_f128(a: i8) -> f128 {
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// CHECK: sitofp i8 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @i16_as_f128(
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#[no_mangle]
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pub fn i16_as_f128(a: i16) -> f128 {
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// CHECK: sitofp i16 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @i32_as_f128(
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#[no_mangle]
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pub fn i32_as_f128(a: i32) -> f128 {
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// CHECK: sitofp i32 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @i64_as_f128(
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#[no_mangle]
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pub fn i64_as_f128(a: i64) -> f128 {
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// CHECK: sitofp i64 %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: fp128 @i128_as_f128(
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#[no_mangle]
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pub fn i128_as_f128(a: i128) -> f128 {
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// CHECK: sitofp i128 %{{.+}} to fp128
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a as f128
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}
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@ -1,9 +1,12 @@
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// Verify that our intrinsics generate the correct LLVM calls for f16
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#![crate_type = "lib"]
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#![feature(f128)]
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#![feature(f16)]
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#![feature(core_intrinsics)]
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/* arithmetic */
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// CHECK-LABEL: i1 @f16_eq(
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#[no_mangle]
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pub fn f16_eq(a: f16, b: f16) -> bool {
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@ -109,7 +112,7 @@ pub fn f16_sub_assign(a: &mut f16, b: f16) {
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pub fn f16_mul_assign(a: &mut f16, b: f16) {
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// CHECK: fmul half %{{.+}}, %{{.+}}
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// CHECK-NEXT: store half %{{.+}}, ptr %{{.+}}
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*a *= b
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*a *= b;
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}
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// CHECK-LABEL: void @f16_div_assign(
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@ -117,7 +120,7 @@ pub fn f16_mul_assign(a: &mut f16, b: f16) {
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pub fn f16_div_assign(a: &mut f16, b: f16) {
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// CHECK: fdiv half %{{.+}}, %{{.+}}
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// CHECK-NEXT: store half %{{.+}}, ptr %{{.+}}
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*a /= b
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*a /= b;
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}
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// CHECK-LABEL: void @f16_rem_assign(
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@ -125,5 +128,198 @@ pub fn f16_div_assign(a: &mut f16, b: f16) {
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pub fn f16_rem_assign(a: &mut f16, b: f16) {
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// CHECK: frem half %{{.+}}, %{{.+}}
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// CHECK-NEXT: store half %{{.+}}, ptr %{{.+}}
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*a %= b
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*a %= b;
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}
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/* float to float conversions */
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// CHECK-LABEL: half @f16_as_self(
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#[no_mangle]
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pub fn f16_as_self(a: f16) -> f16 {
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// CHECK: ret half %{{.+}}
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a as f16
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}
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// CHECK-LABEL: float @f16_as_f32(
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#[no_mangle]
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pub fn f16_as_f32(a: f16) -> f32 {
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// CHECK: fpext half %{{.+}} to float
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a as f32
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}
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// CHECK-LABEL: double @f16_as_f64(
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#[no_mangle]
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pub fn f16_as_f64(a: f16) -> f64 {
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// CHECK: fpext half %{{.+}} to double
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a as f64
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}
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// CHECK-LABEL: fp128 @f16_as_f128(
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#[no_mangle]
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pub fn f16_as_f128(a: f16) -> f128 {
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// CHECK: fpext half %{{.+}} to fp128
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a as f128
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}
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// CHECK-LABEL: half @f32_as_f16(
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#[no_mangle]
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pub fn f32_as_f16(a: f32) -> f16 {
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// CHECK: fptrunc float %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @f64_as_f16(
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#[no_mangle]
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pub fn f64_as_f16(a: f64) -> f16 {
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// CHECK: fptrunc double %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @f128_as_f16(
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#[no_mangle]
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pub fn f128_as_f16(a: f128) -> f16 {
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// CHECK: fptrunc fp128 %{{.+}} to half
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a as f16
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}
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/* float to int conversions */
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// CHECK-LABEL: i8 @f16_as_u8(
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#[no_mangle]
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pub fn f16_as_u8(a: f16) -> u8 {
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// CHECK: call i8 @llvm.fptoui.sat.i8.f16(half %{{.+}})
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a as u8
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}
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#[no_mangle]
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pub fn f16_as_u16(a: f16) -> u16 {
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// CHECK: call i16 @llvm.fptoui.sat.i16.f16(half %{{.+}})
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a as u16
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}
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// CHECK-LABEL: i32 @f16_as_u32(
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#[no_mangle]
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pub fn f16_as_u32(a: f16) -> u32 {
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// CHECK: call i32 @llvm.fptoui.sat.i32.f16(half %{{.+}})
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a as u32
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}
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// CHECK-LABEL: i64 @f16_as_u64(
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#[no_mangle]
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pub fn f16_as_u64(a: f16) -> u64 {
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// CHECK: call i64 @llvm.fptoui.sat.i64.f16(half %{{.+}})
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a as u64
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}
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// CHECK-LABEL: i128 @f16_as_u128(
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#[no_mangle]
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pub fn f16_as_u128(a: f16) -> u128 {
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// CHECK: call i128 @llvm.fptoui.sat.i128.f16(half %{{.+}})
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a as u128
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}
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// CHECK-LABEL: i8 @f16_as_i8(
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#[no_mangle]
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pub fn f16_as_i8(a: f16) -> i8 {
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// CHECK: call i8 @llvm.fptosi.sat.i8.f16(half %{{.+}})
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a as i8
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}
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// CHECK-LABEL: i16 @f16_as_i16(
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#[no_mangle]
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pub fn f16_as_i16(a: f16) -> i16 {
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// CHECK: call i16 @llvm.fptosi.sat.i16.f16(half %{{.+}})
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a as i16
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}
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// CHECK-LABEL: i32 @f16_as_i32(
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#[no_mangle]
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pub fn f16_as_i32(a: f16) -> i32 {
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// CHECK: call i32 @llvm.fptosi.sat.i32.f16(half %{{.+}})
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a as i32
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}
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// CHECK-LABEL: i64 @f16_as_i64(
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#[no_mangle]
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pub fn f16_as_i64(a: f16) -> i64 {
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// CHECK: call i64 @llvm.fptosi.sat.i64.f16(half %{{.+}})
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a as i64
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}
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// CHECK-LABEL: i128 @f16_as_i128(
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#[no_mangle]
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pub fn f16_as_i128(a: f16) -> i128 {
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// CHECK: call i128 @llvm.fptosi.sat.i128.f16(half %{{.+}})
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a as i128
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}
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/* int to float conversions */
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// CHECK-LABEL: half @u8_as_f16(
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#[no_mangle]
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pub fn u8_as_f16(a: u8) -> f16 {
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// CHECK: uitofp i8 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @u16_as_f16(
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#[no_mangle]
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pub fn u16_as_f16(a: u16) -> f16 {
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// CHECK: uitofp i16 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @u32_as_f16(
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#[no_mangle]
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pub fn u32_as_f16(a: u32) -> f16 {
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// CHECK: uitofp i32 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @u64_as_f16(
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#[no_mangle]
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pub fn u64_as_f16(a: u64) -> f16 {
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// CHECK: uitofp i64 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @u128_as_f16(
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#[no_mangle]
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pub fn u128_as_f16(a: u128) -> f16 {
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// CHECK: uitofp i128 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @i8_as_f16(
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#[no_mangle]
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pub fn i8_as_f16(a: i8) -> f16 {
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// CHECK: sitofp i8 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @i16_as_f16(
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#[no_mangle]
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pub fn i16_as_f16(a: i16) -> f16 {
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// CHECK: sitofp i16 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @i32_as_f16(
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#[no_mangle]
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pub fn i32_as_f16(a: i32) -> f16 {
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// CHECK: sitofp i32 %{{.+}} to half
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a as f16
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}
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// CHECK-LABEL: half @i64_as_f16(
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#[no_mangle]
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pub fn i64_as_f16(a: i64) -> f16 {
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// CHECK: sitofp i64 %{{.+}} to half
|
||||
a as f16
|
||||
}
|
||||
|
||||
// CHECK-LABEL: half @i128_as_f16(
|
||||
#[no_mangle]
|
||||
pub fn i128_as_f16(a: i128) -> f16 {
|
||||
// CHECK: sitofp i128 %{{.+}} to half
|
||||
a as f16
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue