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Unrolled build for rust-lang#118719
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Rollup merge of rust-lang#118719 - rcvalle:rust-cfi-normalize-integers-118032, r=compiler-errors

CFI: Add char to CFI integer normalization

Adds char to CFI integer normalization to conform to rust-lang#118032 for cross-language CFI support.
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rust-timer authored Dec 8, 2023
2 parents 503e129 + 97032d6 commit 7534c1a
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Showing 2 changed files with 29 additions and 63 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -773,12 +773,7 @@ fn transform_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, options: TransformTyOptio
let mut ty = ty;

match ty.kind() {
ty::Float(..)
| ty::Char
| ty::Str
| ty::Never
| ty::Foreign(..)
| ty::CoroutineWitness(..) => {}
ty::Float(..) | ty::Str | ty::Never | ty::Foreign(..) | ty::CoroutineWitness(..) => {}

ty::Bool => {
if options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) {
Expand All @@ -792,6 +787,14 @@ fn transform_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, options: TransformTyOptio
}
}

ty::Char => {
if options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) {
// Since #118032, char is guaranteed to have the same size, alignment, and function
// call ABI as u32 on all platforms.
ty = tcx.types.u32;
}
}

ty::Int(..) | ty::Uint(..) => {
if options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) {
// Note: C99 7.18.2.4 requires uintptr_t and intptr_t to be at least 16-bit wide.
Expand Down
77 changes: 20 additions & 57 deletions tests/codegen/sanitizer/cfi-normalize-integers.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,78 +6,41 @@
#![crate_type="lib"]

extern crate core;
use core::ffi::*;

pub fn foo0(_: bool) { }
// CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}}
pub fn foo1(_: bool, _: c_uchar) { }
pub fn foo1(_: bool, _: bool) { }
// CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}}
pub fn foo2(_: bool, _: c_uchar, _: c_uchar) { }
pub fn foo2(_: bool, _: bool, _: bool) { }
// CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}}
pub fn foo3(_: isize) { }
pub fn foo3(_: char) { }
// CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}}
pub fn foo4(_: isize, _: c_long) { }
pub fn foo4(_: char, _: char) { }
// CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}}
pub fn foo5(_: isize, _: c_long, _: c_longlong) { }
pub fn foo5(_: char, _: char, _: char) { }
// CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}}
pub fn foo6(_: usize) { }
pub fn foo6(_: isize) { }
// CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}}
pub fn foo7(_: usize, _: c_ulong) { }
pub fn foo7(_: isize, _: isize) { }
// CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}}
pub fn foo8(_: usize, _: c_ulong, _: c_ulonglong) { }
pub fn foo8(_: isize, _: isize, _: isize) { }
// CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}}
pub fn foo9(_: c_schar) { }
pub fn foo9(_: (), _: usize) { }
// CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}}
pub fn foo10(_: c_char, _: c_schar) { }
pub fn foo10(_: (), _: usize, _: usize) { }
// CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}}
pub fn foo11(_: c_char, _: c_schar, _: c_schar) { }
pub fn foo11(_: (), _: usize, _: usize, _: usize) { }
// CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}}
pub fn foo12(_: c_int) { }
// CHECK: define{{.*}}foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}}
pub fn foo13(_: c_int, _: c_int) { }
// CHECK: define{{.*}}foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}}
pub fn foo14(_: c_int, _: c_int, _: c_int) { }
// CHECK: define{{.*}}foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}}
pub fn foo15(_: c_short) { }
// CHECK: define{{.*}}foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}}
pub fn foo16(_: c_short, _: c_short) { }
// CHECK: define{{.*}}foo16{{.*}}!type ![[TYPE16:[0-9]+]] !type !{{[0-9]+}}
pub fn foo17(_: c_short, _: c_short, _: c_short) { }
// CHECK: define{{.*}}foo17{{.*}}!type ![[TYPE17:[0-9]+]] !type !{{[0-9]+}}
pub fn foo18(_: c_uint) { }
// CHECK: define{{.*}}foo18{{.*}}!type ![[TYPE18:[0-9]+]] !type !{{[0-9]+}}
pub fn foo19(_: c_uint, _: c_uint) { }
// CHECK: define{{.*}}foo19{{.*}}!type ![[TYPE19:[0-9]+]] !type !{{[0-9]+}}
pub fn foo20(_: c_uint, _: c_uint, _: c_uint) { }
// CHECK: define{{.*}}foo20{{.*}}!type ![[TYPE20:[0-9]+]] !type !{{[0-9]+}}
pub fn foo21(_: c_ushort) { }
// CHECK: define{{.*}}foo21{{.*}}!type ![[TYPE21:[0-9]+]] !type !{{[0-9]+}}
pub fn foo22(_: c_ushort, _: c_ushort) { }
// CHECK: define{{.*}}foo22{{.*}}!type ![[TYPE22:[0-9]+]] !type !{{[0-9]+}}
pub fn foo23(_: c_ushort, _: c_ushort, _: c_ushort) { }
// CHECK: define{{.*}}foo23{{.*}}!type ![[TYPE23:[0-9]+]] !type !{{[0-9]+}}

// CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvu2u8E.normalized"}
// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu2u8S_E.normalized"}
// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu2u8S_S_E.normalized"}
// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}E.normalized"}
// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}{{u3i32|u3i64|S_}}E.normalized"}
// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}{{u3i32|u3i64|S_}}{{u3i64|S_|S0_}}E.normalized"}
// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}E.normalized"}
// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}{{u3u32|u3u64|S_}}E.normalized"}
// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}{{u3u32|u3u64|S_}}{{u3u64|S_|S0_}}E.normalized"}
// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu2i8E.normalized"}
// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFv{{u2i8S_|u2u8u2i8}}E.normalized"}
// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFv{{u2i8S_S_|u2u8u2i8S0_}}E.normalized"}
// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}E.normalized"}
// CHECK: ![[TYPE13]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}S_E.normalized"}
// CHECK: ![[TYPE14]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}S_S_E.normalized"}
// CHECK: ![[TYPE15]] = !{i64 0, !"_ZTSFvu3i16E.normalized"}
// CHECK: ![[TYPE16]] = !{i64 0, !"_ZTSFvu3i16S_E.normalized"}
// CHECK: ![[TYPE17]] = !{i64 0, !"_ZTSFvu3i16S_S_E.normalized"}
// CHECK: ![[TYPE18]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}E.normalized"}
// CHECK: ![[TYPE19]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}S_E.normalized"}
// CHECK: ![[TYPE20]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}S_S_E.normalized"}
// CHECK: ![[TYPE21]] = !{i64 0, !"_ZTSFvu3u16E.normalized"}
// CHECK: ![[TYPE22]] = !{i64 0, !"_ZTSFvu3u16S_E.normalized"}
// CHECK: ![[TYPE23]] = !{i64 0, !"_ZTSFvu3u16S_S_E.normalized"}
// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu3u32E.normalized"}
// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3u32S_E.normalized"}
// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3u32S_S_E.normalized"}
// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64|u4i128}}E.normalized"}
// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64|u4i128}}S_E.normalized"}
// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64|u4i128}}S_S_E.normalized"}
// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvv{{u3u16|u3u32|u3u64|u4u128}}E.normalized"}
// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvv{{u3u16|u3u32|u3u64|u4u128}}S_E.normalized"}
// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvv{{u3u16|u3u32|u3u64|u4u128}}S_S_E.normalized"}

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