Files
RedBear-OS/local/recipes/dev/libclc/source/clang/test/CodeGen/arm64-mte.c
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

115 lines
3.5 KiB
C

// Test memory tagging extension intrinsics
// RUN: %clang_cc1 -triple aarch64 -target-feature +mte -O3 -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple aarch64 -DMTE -O3 -emit-llvm -o - %s | FileCheck %s
#include <stddef.h>
#include <arm_acle.h>
#ifdef MTE
#define attribute __attribute__((target("mte")))
#else
#define attribute
#endif
// CHECK-LABEL: define{{.*}} ptr @create_tag1
attribute
int *create_tag1(int *a, unsigned b) {
// CHECK: [[T1:%[0-9]+]] = zext i32 %b to i64
// CHECK: [[T2:%[0-9]+]] = tail call ptr @llvm.aarch64.irg(ptr %a, i64 [[T1]])
return __arm_mte_create_random_tag(a,b);
}
// CHECK-LABEL: define{{.*}} ptr @create_tag2
attribute
short *create_tag2(short *a, unsigned b) {
// CHECK: [[T1:%[0-9]+]] = zext i32 %b to i64
// CHECK: [[T2:%[0-9]+]] = tail call ptr @llvm.aarch64.irg(ptr %a, i64 [[T1]])
return __arm_mte_create_random_tag(a,b);
}
// CHECK-LABEL: define{{.*}} ptr @create_tag3
attribute
char *create_tag3(char *a, unsigned b) {
// CHECK: [[T1:%[0-9]+]] = zext i32 %b to i64
// CHECK: [[T2:%[0-9]+]] = tail call ptr @llvm.aarch64.irg(ptr %a, i64 [[T1]])
// CHECK: ret ptr [[T2:%[0-9]+]]
return __arm_mte_create_random_tag(a,b);
}
// CHECK-LABEL: define{{.*}} ptr @increment_tag1
attribute
char *increment_tag1(char *a) {
// CHECK: call ptr @llvm.aarch64.addg(ptr %a, i64 3)
return __arm_mte_increment_tag(a,3);
}
// CHECK-LABEL: define{{.*}} ptr @increment_tag2
attribute
short *increment_tag2(short *a) {
// CHECK: [[T1:%[0-9]+]] = tail call ptr @llvm.aarch64.addg(ptr %a, i64 3)
return __arm_mte_increment_tag(a,3);
}
// CHECK-LABEL: define{{.*}} i32 @exclude_tag
attribute
unsigned exclude_tag(int *a, unsigned m) {
// CHECK: [[T0:%[0-9]+]] = zext i32 %m to i64
// CHECK: [[T2:%[0-9]+]] = tail call i64 @llvm.aarch64.gmi(ptr %a, i64 [[T0]])
// CHECK: trunc i64 [[T2]] to i32
return __arm_mte_exclude_tag(a, m);
}
// CHECK-LABEL: define{{.*}} ptr @get_tag1
attribute
int *get_tag1(int *a) {
// CHECK: [[T1:%[0-9]+]] = tail call ptr @llvm.aarch64.ldg(ptr %a, ptr %a)
return __arm_mte_get_tag(a);
}
// CHECK-LABEL: define{{.*}} ptr @get_tag2
attribute
short *get_tag2(short *a) {
// CHECK: [[T1:%[0-9]+]] = tail call ptr @llvm.aarch64.ldg(ptr %a, ptr %a)
return __arm_mte_get_tag(a);
}
// CHECK-LABEL: define{{.*}} void @set_tag1
attribute
void set_tag1(int *a) {
// CHECK: tail call void @llvm.aarch64.stg(ptr %a, ptr %a)
__arm_mte_set_tag(a);
}
// CHECK-LABEL: define{{.*}} i64 @subtract_pointers
attribute
ptrdiff_t subtract_pointers(int *a, int *b) {
// CHECK: [[T2:%[0-9]+]] = tail call i64 @llvm.aarch64.subp(ptr %a, ptr %b)
// CHECK: ret i64 [[T2]]
return __arm_mte_ptrdiff(a, b);
}
// CHECK-LABEL: define{{.*}} i64 @subtract_pointers_null_1
attribute
ptrdiff_t subtract_pointers_null_1(int *a) {
// CHECK: [[T1:%[0-9]+]] = tail call i64 @llvm.aarch64.subp(ptr %a, ptr null)
// CHECK: ret i64 [[T1]]
return __arm_mte_ptrdiff(a, NULL);
}
// CHECK-LABEL: define{{.*}} i64 @subtract_pointers_null_2
attribute
ptrdiff_t subtract_pointers_null_2(int *a) {
// CHECK: [[T1:%[0-9]+]] = tail call i64 @llvm.aarch64.subp(ptr null, ptr %a)
// CHECK: ret i64 [[T1]]
return __arm_mte_ptrdiff(NULL, a);
}
// Check arithmetic promotion on return type
// CHECK-LABEL: define{{.*}} i32 @subtract_pointers4
attribute
int subtract_pointers4(void* a, void *b) {
// CHECK: [[T0:%[0-9]+]] = tail call i64 @llvm.aarch64.subp(ptr %a, ptr %b)
// CHECK-NEXT: %cmp = icmp slt i64 [[T0]], 1
// CHECK-NEXT: = zext i1 %cmp to i32
return __arm_mte_ptrdiff(a,b) <= 0;
}