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AmanieuAmanieu
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Add tests for global_asm!
1 parent 5918ee4 commit 5a229e0

20 files changed

+455
-32
lines changed

‎src/test/assembly/asm/global_asm.rs‎

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@@ -0,0 +1,14 @@
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// min-llvm-version: 10.0.1
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// only-x86_64
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// assembly-output: emit-asm
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// compile-flags: -C llvm-args=--x86-asm-syntax=intel
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#![feature(asm, global_asm)]
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#![crate_type = "rlib"]
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// CHECK: mov eax, eax
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global_asm!("mov eax, eax");
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// CHECK: mov ebx, 5
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global_asm!("mov ebx, {}", const 5);
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// CHECK: mov ecx, 5
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global_asm!("movl ${}, %ecx", const 5, options(att_syntax));

‎src/test/ui/asm/bad-arch.rs‎

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@@ -8,6 +8,10 @@
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macro_rules! asm {
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() => {};
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}
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#[rustc_builtin_macro]
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macro_rules! global_asm {
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() => {};
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}
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#[lang = "sized"]
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trait Sized {}
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@@ -17,3 +21,6 @@ fn main() {
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//~^ ERROR asm! is unsupported on this target
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}
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}
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global_asm!("");
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//~^ ERROR asm! is unsupported on this target

‎src/test/ui/asm/bad-arch.stderr‎

Lines changed: 10 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,16 @@
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error[E0472]: asm! is unsupported on this target
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--> $DIR/bad-arch.rs:16:9
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--> $DIR/bad-arch.rs:20:9
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|
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LL | asm!("");
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| ^^^^^^^^^
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7-
error: aborting due to previous error
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error[E0472]: asm! is unsupported on this target
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--> $DIR/bad-arch.rs:25:1
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|
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LL | global_asm!("");
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| ^^^^^^^^^^^^^^^^
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|
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= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 2 previous errors
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‎src/test/ui/asm/bad-options.rs‎

Lines changed: 14 additions & 1 deletion
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@@ -1,6 +1,6 @@
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// only-x86_64
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3-
#![feature(asm)]
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#![feature(asm, global_asm)]
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fn main() {
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let mut foo = 0;
@@ -16,3 +16,16 @@ fn main() {
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//~^ ERROR asm outputs are not allowed with the `noreturn` option
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}
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}
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global_asm!("", options(nomem));
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//~^ ERROR expected one of
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global_asm!("", options(readonly));
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//~^ ERROR expected one of
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global_asm!("", options(noreturn));
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//~^ ERROR expected one of
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global_asm!("", options(pure));
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//~^ ERROR expected one of
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global_asm!("", options(nostack));
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//~^ ERROR expected one of
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global_asm!("", options(preserves_flags));
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//~^ ERROR expected one of

‎src/test/ui/asm/bad-options.stderr‎

Lines changed: 37 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -28,5 +28,41 @@ error: asm outputs are not allowed with the `noreturn` option
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LL | asm!("{}", out(reg) foo, options(noreturn));
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| ^^^^^^^^^^^^
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31-
error: aborting due to 5 previous errors
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error: expected one of `)` or `att_syntax`, found `nomem`
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--> $DIR/bad-options.rs:20:25
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|
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LL | global_asm!("", options(nomem));
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| ^^^^^ expected one of `)` or `att_syntax`
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error: expected one of `)` or `att_syntax`, found `readonly`
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--> $DIR/bad-options.rs:22:25
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|
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LL | global_asm!("", options(readonly));
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| ^^^^^^^^ expected one of `)` or `att_syntax`
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error: expected one of `)` or `att_syntax`, found `noreturn`
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--> $DIR/bad-options.rs:24:25
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|
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LL | global_asm!("", options(noreturn));
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| ^^^^^^^^ expected one of `)` or `att_syntax`
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error: expected one of `)` or `att_syntax`, found `pure`
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--> $DIR/bad-options.rs:26:25
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|
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LL | global_asm!("", options(pure));
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| ^^^^ expected one of `)` or `att_syntax`
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error: expected one of `)` or `att_syntax`, found `nostack`
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--> $DIR/bad-options.rs:28:25
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|
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LL | global_asm!("", options(nostack));
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| ^^^^^^^ expected one of `)` or `att_syntax`
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error: expected one of `)` or `att_syntax`, found `preserves_flags`
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--> $DIR/bad-options.rs:30:25
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|
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LL | global_asm!("", options(preserves_flags));
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| ^^^^^^^^^^^^^^^ expected one of `)` or `att_syntax`
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error: aborting due to 11 previous errors
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‎src/test/ui/asm/bad-template.rs‎

Lines changed: 20 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
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// only-x86_64
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3-
#![feature(asm)]
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#![feature(asm, global_asm)]
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fn main() {
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let mut foo = 0;
@@ -26,3 +26,22 @@ fn main() {
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//~^ ERROR multiple unused asm arguments
2727
}
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}
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const FOO: i32 = 1;
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global_asm!("{}");
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//~^ ERROR invalid reference to argument at index 0
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global_asm!("{1}", const FOO);
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//~^ ERROR invalid reference to argument at index 1
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//~^^ ERROR argument never used
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global_asm!("{a}");
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//~^ ERROR there is no argument named `a`
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global_asm!("{}", a = const FOO);
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//~^ ERROR invalid reference to argument at index 0
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//~^^ ERROR argument never used
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global_asm!("{1}", a = const FOO);
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//~^ ERROR invalid reference to argument at index 1
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//~^^ ERROR named argument never used
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global_asm!("{:foo}", const FOO);
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//~^ ERROR asm template modifier must be a single character
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global_asm!("", const FOO, const FOO);
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//~^ ERROR multiple unused asm arguments

‎src/test/ui/asm/bad-template.stderr‎

Lines changed: 86 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -98,5 +98,90 @@ LL | asm!("", in(reg) 0, in(reg) 1);
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|
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= help: if these arguments are intentionally unused, consider using them in an asm comment: `"/* {0} {1} */"`
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101-
error: aborting due to 11 previous errors
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error: invalid reference to argument at index 0
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--> $DIR/bad-template.rs:31:14
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|
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LL | global_asm!("{}");
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| ^^ from here
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|
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= note: no arguments were given
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error: invalid reference to argument at index 1
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--> $DIR/bad-template.rs:33:14
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|
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LL | global_asm!("{1}", const FOO);
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| ^^^ from here
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|
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= note: there is 1 argument
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error: argument never used
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--> $DIR/bad-template.rs:33:20
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|
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LL | global_asm!("{1}", const FOO);
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| ^^^^^^^^^ argument never used
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|
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= help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {0} */"`
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error: there is no argument named `a`
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--> $DIR/bad-template.rs:36:14
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|
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LL | global_asm!("{a}");
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| ^^^
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error: invalid reference to argument at index 0
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--> $DIR/bad-template.rs:38:14
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|
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LL | global_asm!("{}", a = const FOO);
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| ^^ ------------- named argument
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| |
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| from here
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|
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= note: no positional arguments were given
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note: named arguments cannot be referenced by position
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--> $DIR/bad-template.rs:38:19
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|
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LL | global_asm!("{}", a = const FOO);
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| ^^^^^^^^^^^^^
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error: named argument never used
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--> $DIR/bad-template.rs:38:19
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|
149+
LL | global_asm!("{}", a = const FOO);
150+
| ^^^^^^^^^^^^^ named argument never used
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|
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= help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {a} */"`
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error: invalid reference to argument at index 1
155+
--> $DIR/bad-template.rs:41:14
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|
157+
LL | global_asm!("{1}", a = const FOO);
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| ^^^ from here
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|
160+
= note: no positional arguments were given
161+
162+
error: named argument never used
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--> $DIR/bad-template.rs:41:20
164+
|
165+
LL | global_asm!("{1}", a = const FOO);
166+
| ^^^^^^^^^^^^^ named argument never used
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|
168+
= help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {a} */"`
169+
170+
error: asm template modifier must be a single character
171+
--> $DIR/bad-template.rs:44:16
172+
|
173+
LL | global_asm!("{:foo}", const FOO);
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| ^^^
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error: multiple unused asm arguments
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--> $DIR/bad-template.rs:46:17
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|
179+
LL | global_asm!("", const FOO, const FOO);
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| ^^^^^^^^^ ^^^^^^^^^ argument never used
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| |
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| argument never used
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|
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= help: if these arguments are intentionally unused, consider using them in an asm comment: `"/* {0} {1} */"`
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error: aborting due to 21 previous errors
102187

‎src/test/ui/asm/const.rs‎

Lines changed: 5 additions & 1 deletion
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@@ -2,7 +2,7 @@
22
// only-x86_64
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// run-pass
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5-
#![feature(asm)]
5+
#![feature(asm, global_asm)]
66

77
fn const_generic<const X: usize>() -> usize {
88
unsafe {
@@ -34,3 +34,7 @@ fn main() {
3434
let d = const_generic::<5>();
3535
assert_eq!(d, 5);
3636
}
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38+
global_asm!("mov eax, {}", const 5);
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global_asm!("mov eax, {}", const constfn(5));
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global_asm!("mov eax, {}", const constfn(5) + constfn(5));

‎src/test/ui/asm/duplicate-options.fixed‎

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@@ -1,7 +1,7 @@
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// only-x86_64
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// run-rustfix
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4-
#![feature(asm)]
4+
#![feature(asm, global_asm)]
55

66
fn main() {
77
unsafe {
@@ -24,3 +24,6 @@ fn main() {
2424
);
2525
}
2626
}
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28+
global_asm!("", options(att_syntax, ));
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//~^ ERROR the `att_syntax` option was already provided

‎src/test/ui/asm/duplicate-options.rs‎

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@@ -1,7 +1,7 @@
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// only-x86_64
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// run-rustfix
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4-
#![feature(asm)]
4+
#![feature(asm, global_asm)]
55

66
fn main() {
77
unsafe {
@@ -24,3 +24,6 @@ fn main() {
2424
);
2525
}
2626
}
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global_asm!("", options(att_syntax, att_syntax));
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//~^ ERROR the `att_syntax` option was already provided

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