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RedBear-OS/local/recipes/dev/libclc/source/clang/test/CodeGenCUDA/amdgpu-atomic-ops.cu
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

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// RUN: %clang_cc1 -x hip %s -emit-llvm -o - -triple=amdgcn-amd-amdhsa \
// RUN: -fcuda-is-device -target-cpu gfx906 -fnative-half-type \
// RUN: -fnative-half-arguments-and-returns | FileCheck -check-prefixes=FUN,CHECK,SAFEIR %s
// RUN: %clang_cc1 -x hip %s -emit-llvm -o - -triple=amdgcn-amd-amdhsa \
// RUN: -fcuda-is-device -target-cpu gfx906 -fnative-half-type \
// RUN: -fnative-half-arguments-and-returns -munsafe-fp-atomics | FileCheck -check-prefixes=FUN,CHECK,UNSAFEIR %s
// RUN: %clang_cc1 -x hip %s -O3 -S -o - -triple=amdgcn-amd-amdhsa \
// RUN: -fcuda-is-device -target-cpu gfx1100 -fnative-half-type \
// RUN: -fnative-half-arguments-and-returns | FileCheck -check-prefixes=FUN,SAFE %s
// RUN: %clang_cc1 -x hip %s -O3 -S -o - -triple=amdgcn-amd-amdhsa \
// RUN: -fcuda-is-device -target-cpu gfx942 -fnative-half-type \
// RUN: -fnative-half-arguments-and-returns -munsafe-fp-atomics \
// RUN: | FileCheck -check-prefixes=FUN,UNSAFE %s
// REQUIRES: amdgpu-registered-target
#include "Inputs/cuda.h"
#include <stdatomic.h>
__global__ void ffp1(float *p) {
// FUN-LABEL: @_Z4ffp1Pf
// SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 4, [[DEFMD:!amdgpu.no.fine.grained.memory ![0-9]+, !amdgpu.no.remote.memory ![0-9]+$]]
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 4, [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 4, [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 4, [[DEFMD]]
// SAFEIR: atomicrmw fadd ptr {{.*}} syncscope("agent") monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE:[0-9]+]], [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} syncscope("workgroup") monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 4, [[FADDMD:!amdgpu.no.fine.grained.memory ![0-9]+, !amdgpu.no.remote.memory ![0-9]+, !amdgpu.ignore.denormal.mode ![0-9]+$]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 4, [[DEFMD:!amdgpu.no.fine.grained.memory ![0-9]+, !amdgpu.no.remote.memory ![0-9]+$]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 4, [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 4, [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE:[0-9]+]], [[FADDMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFE: global_atomic_add_f32
// SAFE: global_atomic_cmpswap
// SAFE: global_atomic_max
// SAFE: global_atomic_min
// SAFE: global_atomic_max
// SAFE: global_atomic_min
// UNSAFE: global_atomic_add_f32
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
__atomic_fetch_add(p, 1.0f, memory_order_relaxed);
__atomic_fetch_sub(p, 1.0f, memory_order_relaxed);
__atomic_fetch_max(p, 1.0f, memory_order_relaxed);
__atomic_fetch_min(p, 1.0f, memory_order_relaxed);
__hip_atomic_fetch_add(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_sub(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
__hip_atomic_fetch_max(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_min(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
}
__global__ void ffp2(double *p) {
// FUN-LABEL: @_Z4ffp2Pd
// SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fadd ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// UNSAFE: global_atomic_add_f64
// UNSAFE: global_atomic_cmpswap_x2
// UNSAFE: global_atomic_max_f64
// UNSAFE: global_atomic_min_f64
// UNSAFE: global_atomic_max_f64
// UNSAFE: global_atomic_min_f64
__atomic_fetch_add(p, 1.0, memory_order_relaxed);
__atomic_fetch_sub(p, 1.0, memory_order_relaxed);
__atomic_fetch_max(p, 1.0, memory_order_relaxed);
__atomic_fetch_min(p, 1.0, memory_order_relaxed);
__hip_atomic_fetch_add(p, 1.0, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_sub(p, 1.0, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
__hip_atomic_fetch_max(p, 1.0, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_min(p, 1.0, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
}
// long double is the same as double for amdgcn.
__global__ void ffp3(long double *p) {
// FUN-LABEL: @_Z4ffp3Pe
// SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fadd ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// SAFE: global_atomic_cmpswap_b64
// UNSAFE: global_atomic_cmpswap_x2
// UNSAFE: global_atomic_max_f64
// UNSAFE: global_atomic_min_f64
// UNSAFE: global_atomic_max_f64
// UNSAFE: global_atomic_min_f64
__atomic_fetch_add(p, 1.0L, memory_order_relaxed);
__atomic_fetch_sub(p, 1.0L, memory_order_relaxed);
__atomic_fetch_max(p, 1.0L, memory_order_relaxed);
__atomic_fetch_min(p, 1.0L, memory_order_relaxed);
__hip_atomic_fetch_add(p, 1.0L, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_sub(p, 1.0L, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
__hip_atomic_fetch_max(p, 1.0L, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_min(p, 1.0L, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
}
__device__ double ffp4(double *p, float f) {
// FUN-LABEL: @_Z4ffp4Pdf
// CHECK: fpext contract float {{.*}} to double
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
__atomic_fetch_sub(p, f, memory_order_relaxed);
return __hip_atomic_fetch_sub(p, f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
}
__device__ double ffp5(double *p, int i) {
// FUN-LABEL: @_Z4ffp5Pdi
// CHECK: sitofp i32 {{.*}} to double
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, [[DEFMD]]
__atomic_fetch_sub(p, i, memory_order_relaxed);
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 8, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
return __hip_atomic_fetch_sub(p, i, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
}
__global__ void ffp6(_Float16 *p) {
// FUN-LABEL: @_Z4ffp6PDF16
// SAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 2, [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 2, [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 2, [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 2, [[DEFMD]]
// SAFEIR: atomicrmw fadd ptr {{.*}} syncscope("agent") monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fsub ptr {{.*}} syncscope("workgroup") monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 2, [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 2, [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} monotonic, align 2, [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} monotonic, align 2, [[DEFMD]]
// UNSAFEIR: atomicrmw fadd ptr {{.*}} monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fsub ptr {{.*}} monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmax ptr {{.*}} syncscope("agent") monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// UNSAFEIR: atomicrmw fmin ptr {{.*}} syncscope("workgroup") monotonic, align 2, !noalias.addrspace ![[$NO_PRIVATE]], [[DEFMD]]
// SAFE: _Z4ffp6PDF16
// SAFE: global_atomic_cmpswap
// SAFE: global_atomic_cmpswap
// SAFE: global_atomic_cmpswap
// SAFE: global_atomic_cmpswap
// SAFE: global_atomic_cmpswap
// SAFE: global_atomic_cmpswap
// UNSAFE: _Z4ffp6PDF16
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
// UNSAFE: global_atomic_cmpswap
__atomic_fetch_add(p, 1.0, memory_order_relaxed);
__atomic_fetch_sub(p, 1.0, memory_order_relaxed);
__atomic_fetch_max(p, 1.0, memory_order_relaxed);
__atomic_fetch_min(p, 1.0, memory_order_relaxed);
__hip_atomic_fetch_add(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_sub(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
__hip_atomic_fetch_max(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_AGENT);
__hip_atomic_fetch_min(p, 1.0f, memory_order_relaxed, __HIP_MEMORY_SCOPE_WORKGROUP);
}
// CHECK-LABEL: @_Z12test_cmpxchgPiii
// CHECK: cmpxchg ptr %{{.+}}, i32 %{{.+}}, i32 %{{.+}} acquire acquire, align 4{{$}}
// CHECK: cmpxchg weak ptr %{{.+}}, i32 %{{.+}}, i32 %{{.+}} acquire acquire, align 4{{$}}
// CHECK: cmpxchg ptr %{{.+}}, i32 %{{.+}}, i32 %{{.+}} syncscope("workgroup") monotonic monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]]{{$}}
// CHECK: cmpxchg weak ptr %{{.+}}, i32 %{{.+}}, i32 %{{.+}} syncscope("workgroup") monotonic monotonic, align 4, !noalias.addrspace ![[$NO_PRIVATE]]{{$}}
__device__ int test_cmpxchg(int *ptr, int cmp, int desired) {
bool flag = __atomic_compare_exchange(ptr, &cmp, &desired, 0, memory_order_acquire, memory_order_acquire);
flag = __atomic_compare_exchange_n(ptr, &cmp, desired, 1, memory_order_acquire, memory_order_acquire);
flag = __hip_atomic_compare_exchange_strong(ptr, &cmp, desired, __ATOMIC_RELAXED, __ATOMIC_RELAXED, __HIP_MEMORY_SCOPE_WORKGROUP);
flag = __hip_atomic_compare_exchange_weak(ptr, &cmp, desired, __ATOMIC_RELAXED, __ATOMIC_RELAXED, __HIP_MEMORY_SCOPE_WORKGROUP);
return flag;
}
// SAFEIR: ![[$NO_PRIVATE]] = !{i32 5, i32 6}
// UNSAFEIR: ![[$NO_PRIVATE]] = !{i32 5, i32 6}
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