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rustc: unpack scalar newtype layout ABIs.

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This commit is contained in:
Eduard-Mihai Burtescu 2017-10-09 02:31:06 +03:00
parent 0b8697241f
commit 37a7521ef9
7 changed files with 129 additions and 50 deletions
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6
src/test/codegen/function-arguments.rs
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@ -46,13 +46,13 @@ pub fn static_borrow(_: &'static i32) {
pub fn named_borrow<'r>(_: &'r i32) {
}
// CHECK: @unsafe_borrow(%UnsafeInner* dereferenceable(2) %arg0)
// CHECK: @unsafe_borrow(i16* dereferenceable(2) %arg0)
// unsafe interior means this isn't actually readonly and there may be aliases ...
#[no_mangle]
pub fn unsafe_borrow(_: &UnsafeInner) {
}
// CHECK: @mutable_unsafe_borrow(%UnsafeInner* dereferenceable(2) %arg0)
// CHECK: @mutable_unsafe_borrow(i16* dereferenceable(2) %arg0)
// ... unless this is a mutable borrow, those never alias
// ... except that there's this LLVM bug that forces us to not use noalias, see #29485
#[no_mangle]
@ -110,7 +110,7 @@ pub fn slice(_: &[u8]) {
pub fn mutable_slice(_: &mut [u8]) {
}
// CHECK: @unsafe_slice([0 x %UnsafeInner]* nonnull %arg0.0, [[USIZE]] %arg0.1)
// CHECK: @unsafe_slice([0 x i16]* nonnull %arg0.0, [[USIZE]] %arg0.1)
// unsafe interior means this isn't actually readonly and there may be aliases ...
#[no_mangle]
pub fn unsafe_slice(_: &[UnsafeInner]) {

4
src/test/codegen/issue-32031.rs
View file

@ -15,7 +15,7 @@
#[no_mangle]
pub struct F32(f32);
// CHECK: define float @add_newtype_f32(float, float)
// CHECK: define float @add_newtype_f32(float %a, float %b)
#[inline(never)]
#[no_mangle]
pub fn add_newtype_f32(a: F32, b: F32) -> F32 {
@ -25,7 +25,7 @@ pub fn add_newtype_f32(a: F32, b: F32) -> F32 {
#[no_mangle]
pub struct F64(f64);
// CHECK: define double @add_newtype_f64(double, double)
// CHECK: define double @add_newtype_f64(double %a, double %b)
#[inline(never)]
#[no_mangle]
pub fn add_newtype_f64(a: F64, b: F64) -> F64 {