Add Natvis visualiser and debuginfo tests for f16
This commit is contained in:
beetrees
parent
d7c59370ce
commit
b058de90a3
@ -705,10 +705,12 @@ fn msvc_basic_name(self) -> &'static str {
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impl MsvcBasicName for ty::FloatTy {
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fn msvc_basic_name(self) -> &'static str {
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// FIXME: f16 and f128 have no MSVC representation. We could improve the debuginfo.
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// See: <https://github.com/rust-lang/rust/pull/114607/files#r1454683264>
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// FIXME(f16_f128): `f16` and `f128` have no MSVC representation. We could improve the
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// debuginfo. See: <https://github.com/rust-lang/rust/issues/121837>
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match self {
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ty::FloatTy::F16 => "half",
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ty::FloatTy::F16 => {
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bug!("`f16` should have been handled in `build_basic_type_di_node`")
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}
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ty::FloatTy::F32 => "float",
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ty::FloatTy::F64 => "double",
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ty::FloatTy::F128 => "fp128",
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@ -716,6 +718,38 @@ fn msvc_basic_name(self) -> &'static str {
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}
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}
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fn build_cpp_f16_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) -> DINodeCreationResult<'ll> {
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// MSVC has no native support for `f16`. Instead, emit `struct f16 { bits: u16 }` to allow the
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// `f16`'s value to be displayed using a Natvis visualiser in `intrinsic.natvis`.
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let float_ty = cx.tcx.types.f16;
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let bits_ty = cx.tcx.types.u16;
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type_map::build_type_with_children(
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cx,
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type_map::stub(
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cx,
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Stub::Struct,
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UniqueTypeId::for_ty(cx.tcx, float_ty),
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"f16",
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cx.size_and_align_of(float_ty),
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NO_SCOPE_METADATA,
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DIFlags::FlagZero,
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),
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// Fields:
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|cx, float_di_node| {
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smallvec![build_field_di_node(
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cx,
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float_di_node,
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"bits",
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cx.size_and_align_of(bits_ty),
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Size::ZERO,
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DIFlags::FlagZero,
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type_di_node(cx, bits_ty),
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)]
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},
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NO_GENERICS,
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)
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}
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fn build_basic_type_di_node<'ll, 'tcx>(
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cx: &CodegenCx<'ll, 'tcx>,
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t: Ty<'tcx>,
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@ -739,6 +773,9 @@ fn build_basic_type_di_node<'ll, 'tcx>(
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ty::Char => ("char", DW_ATE_UTF),
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ty::Int(int_ty) if cpp_like_debuginfo => (int_ty.msvc_basic_name(), DW_ATE_signed),
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ty::Uint(uint_ty) if cpp_like_debuginfo => (uint_ty.msvc_basic_name(), DW_ATE_unsigned),
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ty::Float(ty::FloatTy::F16) if cpp_like_debuginfo => {
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return build_cpp_f16_di_node(cx);
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}
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ty::Float(float_ty) if cpp_like_debuginfo => (float_ty.msvc_basic_name(), DW_ATE_float),
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ty::Int(int_ty) => (int_ty.name_str(), DW_ATE_signed),
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ty::Uint(uint_ty) => (uint_ty.name_str(), DW_ATE_unsigned),
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@ -33,6 +33,32 @@
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</ArrayItems>
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</Expand>
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</Type>
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<Type Name="f16">
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<Intrinsic Name="sign_mask" Expression="(unsigned __int16) 0x8000" />
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<Intrinsic Name="exponent_mask" Expression="(unsigned __int16) 0x7c00" />
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<Intrinsic Name="significand_mask" Expression="(unsigned __int16) 0x03ff" />
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<Intrinsic Name="sign_bit" Expression="(unsigned __int16) (bits & sign_mask())" />
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<Intrinsic Name="exponent_bits" Expression="(unsigned __int16) (bits & exponent_mask())" />
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<Intrinsic Name="significand_bits" Expression="(unsigned __int16) (bits & significand_mask())" />
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<Intrinsic Name="if_set" Expression="(bits & mask) != 0 ? value : 1.0">
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<Parameter Name="mask" Type="unsigned __int16" />
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<Parameter Name="value" Type="float" />
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</Intrinsic>
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<!-- Calculates 2**exp without needing a pow function. Each float in if_set() is the square of the previous float. 32768 == 2.pow(bias), bias == 15 -->
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<Intrinsic Name="two_pow_exponent" Expression="if_set(0x0400, 2.0) * if_set(0x0800, 4.0) * if_set(0x1000, 16.0) * if_set(0x2000, 256.0) * if_set(0x4000, 65536.0) / 32768.0" />
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<!-- Calculates 0.significand, without any implicit bit. 1024 == 2.pow(explicit significand width), explicit significand width == 10 -->
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<Intrinsic Name="raw_significand" Expression="((float) significand_bits()) / 1024.0" />
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<Intrinsic Name="sign" Expression="sign_bit() == 0 ? 1.0 : -1.0" />
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<DisplayString Condition="bits == 0x7c00">inf</DisplayString>
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<DisplayString Condition="bits == 0xfc00">-inf</DisplayString>
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<DisplayString Condition="exponent_bits() == exponent_mask()">NaN</DisplayString>
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<!-- Subnormal or zero (16384 == 2.pow(bias - 1), bias - 1 == 14) -->
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<DisplayString Condition="exponent_bits() == 0">{(float) (sign() * raw_significand() / 16384.0)}</DisplayString>
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<!-- Normal -->
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<DisplayString>{(float) (sign() * (raw_significand() + 1.0) * two_pow_exponent())}</DisplayString>
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</Type>
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<Type Name="tuple$<>">
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<DisplayString>()</DisplayString>
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</Type>
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@ -39,6 +39,9 @@
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// gdbg-command:whatis 'basic_types_globals_metadata::U64'
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// gdbr-command:whatis basic_types_globals_metadata::U64
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// gdb-check:type = u64
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// gdbg-command:whatis 'basic_types_globals_metadata::F16'
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// gdbr-command:whatis basic_types_globals_metadata::F16
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// gdb-check:type = f16
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// gdbg-command:whatis 'basic_types_globals_metadata::F32'
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// gdbr-command:whatis basic_types_globals_metadata::F32
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// gdb-check:type = f32
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@ -51,6 +54,7 @@
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#![allow(dead_code)]
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#![feature(omit_gdb_pretty_printer_section)]
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#![omit_gdb_pretty_printer_section]
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#![feature(f16)]
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// N.B. These are `mut` only so they don't constant fold away.
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static mut B: bool = false;
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@ -65,13 +69,14 @@
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static mut U16: u16 = 16;
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static mut U32: u32 = 32;
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static mut U64: u64 = 64;
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static mut F16: f16 = 1.5;
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static mut F32: f32 = 2.5;
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static mut F64: f64 = 3.5;
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fn main() {
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_zzz(); // #break
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let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F32, F64) };
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let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F16, F32, F64) };
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}
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fn _zzz() {()}
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@ -49,17 +49,21 @@
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// gdbg-command:print 'basic_types_globals::U64'
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// gdbr-command:print U64
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// gdb-check:$12 = 64
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// gdbg-command:print 'basic_types_globals::F16'
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// gdbr-command:print F16
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// gdb-check:$13 = 1.5
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// gdbg-command:print 'basic_types_globals::F32'
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// gdbr-command:print F32
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// gdb-check:$13 = 2.5
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// gdb-check:$14 = 2.5
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// gdbg-command:print 'basic_types_globals::F64'
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// gdbr-command:print F64
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// gdb-check:$14 = 3.5
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// gdb-check:$15 = 3.5
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// gdb-command:continue
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#![allow(unused_variables)]
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#![feature(omit_gdb_pretty_printer_section)]
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#![omit_gdb_pretty_printer_section]
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#![feature(f16)]
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// N.B. These are `mut` only so they don't constant fold away.
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static mut B: bool = false;
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@ -74,13 +78,14 @@
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static mut U16: u16 = 16;
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static mut U32: u32 = 32;
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static mut U64: u64 = 64;
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static mut F16: f16 = 1.5;
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static mut F32: f32 = 2.5;
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static mut F64: f64 = 3.5;
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fn main() {
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_zzz(); // #break
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let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F32, F64) };
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let a = unsafe { (B, I, C, I8, I16, I32, I64, U, U8, U16, U32, U64, F16, F32, F64) };
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}
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fn _zzz() {()}
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@ -29,6 +29,8 @@
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// gdb-check:type = u32
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// gdb-command:whatis u64
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// gdb-check:type = u64
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// gdb-command:whatis f16
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// gdb-check:type = f16
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// gdb-command:whatis f32
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// gdb-check:type = f32
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// gdb-command:whatis f64
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@ -66,6 +68,7 @@
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#![allow(unused_variables)]
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#![feature(omit_gdb_pretty_printer_section)]
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#![omit_gdb_pretty_printer_section]
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#![feature(f16)]
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fn main() {
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let unit: () = ();
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@ -81,6 +84,7 @@ fn main() {
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let u16: u16 = 16;
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let u32: u32 = 32;
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let u64: u64 = 64;
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let f16: f16 = 1.5;
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let f32: f32 = 2.5;
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let f64: f64 = 3.5;
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let fnptr : fn() = _zzz;
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@ -5,7 +5,6 @@
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// its numerical value.
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//@ min-lldb-version: 310
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//@ ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
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//@ compile-flags:-g
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@ -49,62 +48,69 @@
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// gdbg-command:print 'basic_types_mut_globals::U64'
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// gdbr-command:print U64
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// gdb-check:$12 = 64
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// gdbg-command:print 'basic_types_mut_globals::F16'
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// gdbr-command:print F16
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// gdb-check:$13 = 1.5
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// gdbg-command:print 'basic_types_mut_globals::F32'
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// gdbr-command:print F32
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// gdb-check:$13 = 2.5
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// gdb-check:$14 = 2.5
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// gdbg-command:print 'basic_types_mut_globals::F64'
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// gdbr-command:print F64
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// gdb-check:$14 = 3.5
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// gdb-check:$15 = 3.5
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// gdb-command:continue
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// Check new values
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// gdbg-command:print 'basic_types_mut_globals'::B
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// gdbr-command:print B
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// gdb-check:$15 = true
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// gdb-check:$16 = true
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// gdbg-command:print 'basic_types_mut_globals'::I
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// gdbr-command:print I
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// gdb-check:$16 = 2
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// gdb-check:$17 = 2
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// gdbg-command:print/d 'basic_types_mut_globals'::C
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// gdbr-command:print C
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// gdbg-check:$17 = 102
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// gdbr-check:$17 = 102 'f'
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// gdbg-check:$18 = 102
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// gdbr-check:$18 = 102 'f'
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// gdbg-command:print/d 'basic_types_mut_globals'::I8
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// gdbr-command:print/d I8
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// gdb-check:$18 = 78
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// gdb-check:$19 = 78
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// gdbg-command:print 'basic_types_mut_globals'::I16
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// gdbr-command:print I16
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// gdb-check:$19 = -26
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// gdb-check:$20 = -26
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// gdbg-command:print 'basic_types_mut_globals'::I32
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// gdbr-command:print I32
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// gdb-check:$20 = -12
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// gdb-check:$21 = -12
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// gdbg-command:print 'basic_types_mut_globals'::I64
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// gdbr-command:print I64
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// gdb-check:$21 = -54
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// gdb-check:$22 = -54
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// gdbg-command:print 'basic_types_mut_globals'::U
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// gdbr-command:print U
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// gdb-check:$22 = 5
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// gdb-check:$23 = 5
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// gdbg-command:print/d 'basic_types_mut_globals'::U8
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// gdbr-command:print/d U8
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// gdb-check:$23 = 20
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// gdb-check:$24 = 20
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// gdbg-command:print 'basic_types_mut_globals'::U16
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// gdbr-command:print U16
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// gdb-check:$24 = 32
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// gdb-check:$25 = 32
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// gdbg-command:print 'basic_types_mut_globals'::U32
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// gdbr-command:print U32
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// gdb-check:$25 = 16
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// gdb-check:$26 = 16
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// gdbg-command:print 'basic_types_mut_globals'::U64
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// gdbr-command:print U64
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// gdb-check:$26 = 128
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// gdb-check:$27 = 128
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// gdbg-command:print 'basic_types_mut_globals'::F16
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// gdbr-command:print F16
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// gdb-check:$28 = 2.25
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// gdbg-command:print 'basic_types_mut_globals'::F32
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// gdbr-command:print F32
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// gdb-check:$27 = 5.75
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// gdb-check:$29 = 5.75
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// gdbg-command:print 'basic_types_mut_globals'::F64
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// gdbr-command:print F64
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// gdb-check:$28 = 9.25
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// gdb-check:$30 = 9.25
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#![allow(unused_variables)]
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#![feature(omit_gdb_pretty_printer_section)]
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#![omit_gdb_pretty_printer_section]
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#![feature(f16)]
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static mut B: bool = false;
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static mut I: isize = -1;
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@ -118,6 +124,7 @@
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static mut U16: u16 = 16;
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static mut U32: u32 = 32;
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static mut U64: u64 = 64;
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static mut F16: f16 = 1.5;
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static mut F32: f32 = 2.5;
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static mut F64: f64 = 3.5;
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@ -137,6 +144,7 @@ fn main() {
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U16 = 32;
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U32 = 16;
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U64 = 128;
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F16 = 2.25;
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F32 = 5.75;
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F64 = 9.25;
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}
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@ -39,13 +39,15 @@
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// gdb-check:$11 = 32
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// gdb-command:print u64
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// gdb-check:$12 = 64
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// gdb-command:print f16
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// gdb-check:$13 = 1.5
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// gdb-command:print f32
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// gdb-check:$13 = 2.5
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// gdb-check:$14 = 2.5
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// gdb-command:print f64
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// gdb-check:$14 = 3.5
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// gdb-check:$15 = 3.5
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// gdb-command:print s
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// gdbg-check:$15 = {data_ptr = [...] "Hello, World!", length = 13}
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// gdbr-check:$15 = "Hello, World!"
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// gdbg-check:$16 = {data_ptr = [...] "Hello, World!", length = 13}
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// gdbr-check:$16 = "Hello, World!"
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// === LLDB TESTS ==================================================================================
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@ -122,6 +124,8 @@
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// cdb-check:u32 : 0x20 [Type: unsigned int]
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// cdb-command:dx u64
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// cdb-check:u64 : 0x40 [Type: unsigned __int64]
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// cdb-command:dx f16
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// cdb-check:f16 : 1.500000 [Type: f16]
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// cdb-command:dx f32
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// cdb-check:f32 : 2.500000 [Type: float]
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// cdb-command:dx f64
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@ -134,6 +138,7 @@
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#![allow(unused_variables)]
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#![feature(omit_gdb_pretty_printer_section)]
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#![omit_gdb_pretty_printer_section]
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#![feature(f16)]
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fn main() {
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let b: bool = false;
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@ -148,6 +153,7 @@ fn main() {
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let u16: u16 = 16;
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let u32: u32 = 32;
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let u64: u64 = 64;
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let f16: f16 = 1.5;
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let f32: f32 = 2.5;
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let f64: f64 = 3.5;
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let s: &str = "Hello, World!";
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@ -42,11 +42,14 @@
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// gdb-command:print *u64_ref
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// gdb-check:$12 = 64
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// gdb-command:print *f16_ref
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// gdb-check:$13 = 1.5
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// gdb-command:print *f32_ref
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// gdb-check:$13 = 2.5
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// gdb-check:$14 = 2.5
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// gdb-command:print *f64_ref
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// gdb-check:$14 = 3.5
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// gdb-check:$15 = 3.5
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// === LLDB TESTS ==================================================================================
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@ -100,6 +103,10 @@
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// lldbg-check:[...] 64
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// lldbr-check:(u64) *u64_ref = 64
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// lldb-command:v *f16_ref
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// lldbg-check:[...] 1.5
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// lldbr-check:(f16) *f16_ref = 1.5
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// lldb-command:v *f32_ref
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// lldbg-check:[...] 2.5
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// lldbr-check:(f32) *f32_ref = 2.5
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@ -111,6 +118,7 @@
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#![allow(unused_variables)]
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#![feature(omit_gdb_pretty_printer_section)]
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#![omit_gdb_pretty_printer_section]
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#![feature(f16)]
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fn main() {
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let bool_val: bool = true;
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@ -149,6 +157,9 @@ fn main() {
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let u64_val: u64 = 64;
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let u64_ref: &u64 = &u64_val;
|
||||
|
||||
let f16_val: f16 = 1.5;
|
||||
let f16_ref: &f16 = &f16_val;
|
||||
|
||||
let f32_val: f32 = 2.5;
|
||||
let f32_ref: &f32 = &f32_val;
|
||||
|
||||
|
||||
@ -42,11 +42,14 @@
|
||||
// gdb-command:print *u64_ref
|
||||
// gdb-check:$12 = 64
|
||||
|
||||
// gdb-command:print *f16_ref
|
||||
// gdb-check:$13 = 1.5
|
||||
|
||||
// gdb-command:print *f32_ref
|
||||
// gdb-check:$13 = 2.5
|
||||
// gdb-check:$14 = 2.5
|
||||
|
||||
// gdb-command:print *f64_ref
|
||||
// gdb-check:$14 = 3.5
|
||||
// gdb-check:$15 = 3.5
|
||||
|
||||
|
||||
// === LLDB TESTS ==================================================================================
|
||||
@ -103,6 +106,10 @@
|
||||
// lldbg-check:[...] 64
|
||||
// lldbr-check:(u64) *u64_ref = 64
|
||||
|
||||
// lldb-command:v *f16_ref
|
||||
// lldbg-check:[...] 1.5
|
||||
// lldbr-check:(f16) *f16_ref = 1.5
|
||||
|
||||
// lldb-command:v *f32_ref
|
||||
// lldbg-check:[...] 2.5
|
||||
// lldbr-check:(f32) *f32_ref = 2.5
|
||||
@ -114,6 +121,7 @@
|
||||
#![allow(unused_variables)]
|
||||
#![feature(omit_gdb_pretty_printer_section)]
|
||||
#![omit_gdb_pretty_printer_section]
|
||||
#![feature(f16)]
|
||||
|
||||
fn main() {
|
||||
let bool_box: Box<bool> = Box::new(true);
|
||||
@ -152,6 +160,9 @@ fn main() {
|
||||
let u64_box: Box<u64> = Box::new(64);
|
||||
let u64_ref: &u64 = &*u64_box;
|
||||
|
||||
let f16_box: Box<f16> = Box::new(1.5);
|
||||
let f16_ref: &f16 = &*f16_box;
|
||||
|
||||
let f32_box: Box<f32> = Box::new(2.5);
|
||||
let f32_ref: &f32 = &*f32_box;
|
||||
|
||||
|
||||
58
tests/debuginfo/f16-natvis.rs
Normal file
58
tests/debuginfo/f16-natvis.rs
Normal file
@ -0,0 +1,58 @@
|
||||
//@ compile-flags: -g
|
||||
//@ only-msvc
|
||||
|
||||
// This tests the `f16` Natvis visualiser.
|
||||
// cdb-command:g
|
||||
// cdb-command:dx v0_0
|
||||
// cdb-check:v0_0 : 0.000000 [Type: f16]
|
||||
// cdb-command:dx neg_0_0
|
||||
// cdb-check:neg_0_0 : -0.000000 [Type: f16]
|
||||
// cdb-command:dx v1_0
|
||||
// cdb-check:v1_0 : 1.000000 [Type: f16]
|
||||
// cdb-command:dx v1_5
|
||||
// cdb-check:v1_5 : 1.500000 [Type: f16]
|
||||
// cdb-command:dx v72_3
|
||||
// cdb-check:v72_3 : 72.312500 [Type: f16]
|
||||
// cdb-command:dx neg_0_126
|
||||
// cdb-check:neg_0_126 : -0.125977 [Type: f16]
|
||||
// cdb-command:dx v0_00003
|
||||
// cdb-check:v0_00003 : 0.000030 [Type: f16]
|
||||
// cdb-command:dx neg_0_00004
|
||||
// cdb-check:neg_0_00004 : -0.000040 [Type: f16]
|
||||
// cdb-command:dx max
|
||||
// cdb-check:max : 65504.000000 [Type: f16]
|
||||
// cdb-command:dx min
|
||||
// cdb-check:min : -65504.000000 [Type: f16]
|
||||
// cdb-command:dx inf
|
||||
// cdb-check:inf : inf [Type: f16]
|
||||
// cdb-command:dx neg_inf
|
||||
// cdb-check:neg_inf : -inf [Type: f16]
|
||||
// cdb-command:dx nan
|
||||
// cdb-check:nan : NaN [Type: f16]
|
||||
// cdb-command:dx other_nan
|
||||
// cdb-check:other_nan : NaN [Type: f16]
|
||||
|
||||
#![feature(f16)]
|
||||
|
||||
fn main() {
|
||||
let v0_0 = 0.0_f16;
|
||||
let neg_0_0 = -0.0_f16;
|
||||
let v1_0 = 1.0_f16;
|
||||
let v1_5 = 1.5_f16;
|
||||
let v72_3 = 72.3_f16;
|
||||
let neg_0_126 = -0.126_f16;
|
||||
let v0_00003 = 0.00003_f16;
|
||||
let neg_0_00004 = -0.00004_f16;
|
||||
let max = f16::MAX;
|
||||
let min = f16::MIN;
|
||||
let inf = f16::INFINITY;
|
||||
let neg_inf = f16::NEG_INFINITY;
|
||||
let nan = f16::NAN;
|
||||
let other_nan = f16::from_bits(0xfc02);
|
||||
|
||||
_zzz(); // #break
|
||||
}
|
||||
|
||||
fn _zzz() {
|
||||
()
|
||||
}
|
||||
@ -46,14 +46,17 @@
|
||||
// gdb-command:print *u64_ref
|
||||
// gdb-check:$12 = 64
|
||||
|
||||
// gdb-command:print *f16_ref
|
||||
// gdb-check:$13 = 1.5
|
||||
|
||||
// gdb-command:print *f32_ref
|
||||
// gdb-check:$13 = 2.5
|
||||
// gdb-check:$14 = 2.5
|
||||
|
||||
// gdb-command:print *f64_ref
|
||||
// gdb-check:$14 = 3.5
|
||||
// gdb-check:$15 = 3.5
|
||||
|
||||
// gdb-command:print *f64_double_ref
|
||||
// gdb-check:$15 = 3.5
|
||||
// gdb-check:$16 = 3.5
|
||||
|
||||
|
||||
// === LLDB TESTS ==================================================================================
|
||||
@ -107,6 +110,10 @@
|
||||
// lldbg-check:[...] 64
|
||||
// lldbr-check:(u64) *u64_ref = 64
|
||||
|
||||
// lldb-command:v *f16_ref
|
||||
// lldbg-check:[...] 1.5
|
||||
// lldbr-check:(f16) *f16_ref = 1.5
|
||||
|
||||
// lldb-command:v *f32_ref
|
||||
// lldbg-check:[...] 2.5
|
||||
// lldbr-check:(f32) *f32_ref = 2.5
|
||||
@ -122,6 +129,7 @@
|
||||
#![allow(unused_variables)]
|
||||
#![feature(omit_gdb_pretty_printer_section)]
|
||||
#![omit_gdb_pretty_printer_section]
|
||||
#![feature(f16)]
|
||||
|
||||
fn main() {
|
||||
let bool_val: bool = true;
|
||||
@ -160,6 +168,9 @@ fn main() {
|
||||
let u64_val: u64 = 64;
|
||||
let u64_ref: &u64 = &u64_val;
|
||||
|
||||
let f16_val: f16 = 1.5;
|
||||
let f16_ref: &f16 = &f16_val;
|
||||
|
||||
let f32_val: f32 = 2.5;
|
||||
let f32_ref: &f32 = &f32_val;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user