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Copy pathwasm_casts_trapping.rs
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wasm_casts_trapping.rs
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//@ only-wasm32
//@ compile-flags: -C target-feature=-nontrapping-fptoint
#![crate_type = "lib"]
// CHECK-LABEL: @cast_f64_i64
#[no_mangle]
pub fn cast_f64_i64(a: f64) -> i64 {
// CHECK-NOT: fptosi double {{.*}} to i64
// CHECK-NOT: select i1 {{.*}}, i64 {{.*}}, i64 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptosi.sat.i64.f64{{.*}}
a as _
}
// CHECK-LABEL: @cast_f64_i32
#[no_mangle]
pub fn cast_f64_i32(a: f64) -> i32 {
// CHECK-NOT: fptosi double {{.*}} to i32
// CHECK-NOT: select i1 {{.*}}, i32 {{.*}}, i32 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptosi.sat.i32.f64{{.*}}
a as _
}
// CHECK-LABEL: @cast_f32_i64
#[no_mangle]
pub fn cast_f32_i64(a: f32) -> i64 {
// CHECK-NOT: fptosi float {{.*}} to i64
// CHECK-NOT: select i1 {{.*}}, i64 {{.*}}, i64 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptosi.sat.i64.f32{{.*}}
a as _
}
// CHECK-LABEL: @cast_f32_i32
#[no_mangle]
pub fn cast_f32_i32(a: f32) -> i32 {
// CHECK-NOT: fptosi float {{.*}} to i32
// CHECK-NOT: select i1 {{.*}}, i32 {{.*}}, i32 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptosi.sat.i32.f32{{.*}}
a as _
}
// CHECK-LABEL: @cast_f64_u64
#[no_mangle]
pub fn cast_f64_u64(a: f64) -> u64 {
// CHECK-NOT: fptoui double {{.*}} to i64
// CHECK-NOT: select i1 {{.*}}, i64 {{.*}}, i64 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptoui.sat.i64.f64{{.*}}
a as _
}
// CHECK-LABEL: @cast_f64_u32
#[no_mangle]
pub fn cast_f64_u32(a: f64) -> u32 {
// CHECK-NOT: fptoui double {{.*}} to i32
// CHECK-NOT: select i1 {{.*}}, i32 {{.*}}, i32 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptoui.sat.i32.f64{{.*}}
a as _
}
// CHECK-LABEL: @cast_f32_u64
#[no_mangle]
pub fn cast_f32_u64(a: f32) -> u64 {
// CHECK-NOT: fptoui float {{.*}} to i64
// CHECK-NOT: select i1 {{.*}}, i64 {{.*}}, i64 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptoui.sat.i64.f32{{.*}}
a as _
}
// CHECK-LABEL: @cast_f32_u32
#[no_mangle]
pub fn cast_f32_u32(a: f32) -> u32 {
// CHECK-NOT: fptoui float {{.*}} to i32
// CHECK-NOT: select i1 {{.*}}, i32 {{.*}}, i32 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptoui.sat.i32.f32{{.*}}
a as _
}
// CHECK-LABEL: @cast_f32_u8
#[no_mangle]
pub fn cast_f32_u8(a: f32) -> u8 {
// CHECK-NOT: fptoui float {{.*}} to i8
// CHECK-NOT: select i1 {{.*}}, i8 {{.*}}, i8 {{.*}}
// CHECK: {{.*}} call {{.*}} @llvm.fptoui.sat.i8.f32{{.*}}
a as _
}
// CHECK-LABEL: @cast_unchecked_f64_i64
#[no_mangle]
pub unsafe fn cast_unchecked_f64_i64(a: f64) -> i64 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.signed.{{.*}}
// CHECK-NEXT: ret i64 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f64_i32
#[no_mangle]
pub unsafe fn cast_unchecked_f64_i32(a: f64) -> i32 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.signed.{{.*}}
// CHECK-NEXT: ret i32 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f32_i64
#[no_mangle]
pub unsafe fn cast_unchecked_f32_i64(a: f32) -> i64 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.signed.{{.*}}
// CHECK-NEXT: ret i64 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f32_i32
#[no_mangle]
pub unsafe fn cast_unchecked_f32_i32(a: f32) -> i32 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.signed.{{.*}}
// CHECK-NEXT: ret i32 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f64_u64
#[no_mangle]
pub unsafe fn cast_unchecked_f64_u64(a: f64) -> u64 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.unsigned.{{.*}}
// CHECK-NEXT: ret i64 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f64_u32
#[no_mangle]
pub unsafe fn cast_unchecked_f64_u32(a: f64) -> u32 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.unsigned.{{.*}}
// CHECK-NEXT: ret i32 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f32_u64
#[no_mangle]
pub unsafe fn cast_unchecked_f32_u64(a: f32) -> u64 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.unsigned.{{.*}}
// CHECK-NEXT: ret i64 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f32_u32
#[no_mangle]
pub unsafe fn cast_unchecked_f32_u32(a: f32) -> u32 {
// CHECK: {{.*}} call {{.*}} @llvm.wasm.trunc.unsigned.{{.*}}
// CHECK-NEXT: ret i32 {{.*}}
a.to_int_unchecked()
}
// CHECK-LABEL: @cast_unchecked_f32_u8
#[no_mangle]
pub unsafe fn cast_unchecked_f32_u8(a: f32) -> u8 {
// CHECK-NOT: {{.*}} call {{.*}} @llvm.wasm.trunc.{{.*}}
// CHECK: fptoui float {{.*}} to i8
// CHECK-NEXT: ret i8 {{.*}}
a.to_int_unchecked()
}