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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/sparc-struct-abi.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/sparc-struct-abi.rs')
-rw-r--r-- | tests/codegen/sparc-struct-abi.rs | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tests/codegen/sparc-struct-abi.rs b/tests/codegen/sparc-struct-abi.rs new file mode 100644 index 000000000..e8816e4f3 --- /dev/null +++ b/tests/codegen/sparc-struct-abi.rs @@ -0,0 +1,103 @@ +// Checks that we correctly codegen extern "C" functions returning structs. +// See issues #52638 and #86163. + +// compile-flags: -O --target=sparc64-unknown-linux-gnu --crate-type=rlib +// needs-llvm-components: sparc +#![feature(no_core, lang_items)] +#![no_core] + +#[lang="sized"] +trait Sized { } +#[lang="freeze"] +trait Freeze { } +#[lang="copy"] +trait Copy { } + +#[repr(C)] +pub struct Bool { + b: bool, +} + +// CHECK: define i64 @structbool() +// CHECK-NEXT: start: +// CHECK-NEXT: ret i64 72057594037927936 +#[no_mangle] +pub extern "C" fn structbool() -> Bool { + Bool { b: true } +} + + +#[repr(C)] +pub struct BoolFloat { + b: bool, + f: f32, +} + +// CHECK: define inreg { i32, float } @structboolfloat() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { i32, float } { i32 16777216, float 0x40091EB860000000 } +#[no_mangle] +pub extern "C" fn structboolfloat() -> BoolFloat { + BoolFloat { b: true, f: 3.14 } +} + +// CHECK: define void @structboolfloat_input({ i32, float } inreg %0) +// CHECK-NEXT: start: +#[no_mangle] +pub extern "C" fn structboolfloat_input(a: BoolFloat) { } + + +#[repr(C)] +pub struct ShortDouble { + s: i16, + d: f64, +} + +// CHECK: define { i64, double } @structshortdouble() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { i64, double } { i64 34621422135410688, double 3.140000e+00 } +#[no_mangle] +pub extern "C" fn structshortdouble() -> ShortDouble { + ShortDouble { s: 123, d: 3.14 } +} + +// CHECK: define void @structshortdouble_input({ i64, double } %0) +// CHECK-NEXT: start: +#[no_mangle] +pub extern "C" fn structshortdouble_input(a: ShortDouble) { } + + +#[repr(C)] +pub struct FloatLongFloat { + f: f32, + i: i64, + g: f32, +} + +// CHECK: define inreg { float, i32, i64, float, i32 } @structfloatlongfloat() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { float, i32, i64, float, i32 } { float 0x3FB99999A0000000, i32 undef, i64 123, float 0x40091EB860000000, i32 undef } +#[no_mangle] +pub extern "C" fn structfloatlongfloat() -> FloatLongFloat { + FloatLongFloat { f: 0.1, i: 123, g: 3.14 } +} + +#[repr(C)] +pub struct FloatFloat { + f: f32, + g: f32, +} + +#[repr(C)] +pub struct NestedStructs { + a: FloatFloat, + b: FloatFloat, +} + +// CHECK: define inreg { float, float, float, float } @structnestestructs() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { float, float, float, float } { float 0x3FB99999A0000000, float 0x3FF19999A0000000, float 0x40019999A0000000, float 0x400A666660000000 } +#[no_mangle] +pub extern "C" fn structnestestructs() -> NestedStructs { + NestedStructs { a: FloatFloat { f: 0.1, g: 1.1 }, b: FloatFloat { f: 2.2, g: 3.3 } } +} |