[llvm-branch-commits] [compiler-rt] 82c16f8 - Simplify

Vitaly Buka via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Tue Nov 5 10:58:58 PST 2024


Author: Vitaly Buka
Date: 2024-11-05T10:58:42-08:00
New Revision: 82c16f8e04bb4991c7680354f12561993915e406

URL: https://github.com/llvm/llvm-project/commit/82c16f8e04bb4991c7680354f12561993915e406
DIFF: https://github.com/llvm/llvm-project/commit/82c16f8e04bb4991c7680354f12561993915e406.diff

LOG: Simplify

Added: 
    

Modified: 
    compiler-rt/lib/tsan/rtl/tsan_interceptors_mac.cpp
    compiler-rt/lib/tsan/rtl/tsan_interface.h
    compiler-rt/lib/tsan/rtl/tsan_interface_atomic.cpp

Removed: 
    


################################################################################
diff  --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors_mac.cpp b/compiler-rt/lib/tsan/rtl/tsan_interceptors_mac.cpp
index b4257e76c3b903..e0e4c5b9d36cd3 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors_mac.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors_mac.cpp
@@ -40,15 +40,14 @@ int setcontext(const ucontext_t *ucp);
 
 namespace __tsan {
 
-// The non-barrier versions of OSAtomic* functions are semantically
-// morder::relaxed, but the two variants (e.g. OSAtomicAdd32 and
-// OSAtomicAdd32Barrier) are actually aliases of each other, and we cannot have
-// 
diff erent interceptors for them, because they're actually the same function.
-// Thus, we have to stay conservative and treat the non-barrier versions as
-// morder::acq_rel.
-static constexpr morder kMacOrderBarrier = morder::acq_rel;
-static constexpr morder kMacOrderNonBarrier = morder::acq_rel;
-static constexpr morder kMacFailureOrder = morder::relaxed;
+// The non-barrier versions of OSAtomic* functions are semantically mo_relaxed,
+// but the two variants (e.g. OSAtomicAdd32 and OSAtomicAdd32Barrier) are
+// actually aliases of each other, and we cannot have 
diff erent interceptors for
+// them, because they're actually the same function.  Thus, we have to stay
+// conservative and treat the non-barrier versions as mo_acq_rel.
+static constexpr morder kMacOrderBarrier = mo_acq_rel;
+static constexpr morder kMacOrderNonBarrier = mo_acq_rel;
+static constexpr morder kMacFailureOrder = mo_relaxed;
 
 #  define OSATOMIC_INTERCEPTOR(return_t, t, tsan_t, f, tsan_atomic_f, mo) \
     TSAN_INTERCEPTOR(return_t, f, t x, volatile t *ptr) {                 \
@@ -465,7 +464,7 @@ struct fake_shared_weak_count {
 // Shared and weak pointers in C++ maintain reference counts via atomics in
 // libc++.dylib, which are TSan-invisible, and this leads to false positives in
 // destructor code. These interceptors re-implements the whole functions so that
-// the morder::acq_rel semantics of the atomic decrement are visible.
+// the mo_acq_rel semantics of the atomic decrement are visible.
 //
 // Unfortunately, the interceptors cannot simply Acquire/Release some sync
 // object and call the original function, because it would have a race between
@@ -480,11 +479,11 @@ STDCXX_INTERCEPTOR(void, _ZNSt3__119__shared_weak_count16__release_sharedEv,
 
   SCOPED_TSAN_INTERCEPTOR(_ZNSt3__119__shared_weak_count16__release_sharedEv,
                           o);
-  if (__tsan_atomic64_fetch_add(&o->shared_owners, -1, morder::release) == 0) {
+  if (__tsan_atomic64_fetch_add(&o->shared_owners, -1, mo_release) == 0) {
     Acquire(thr, pc, (uptr)&o->shared_owners);
     o->on_zero_shared();
-    if (__tsan_atomic64_fetch_add(&o->shared_weak_owners, -1,
-                                  morder::release) == 0) {
+    if (__tsan_atomic64_fetch_add(&o->shared_weak_owners, -1, mo_release) ==
+        0) {
       Acquire(thr, pc, (uptr)&o->shared_weak_owners);
       o->on_zero_shared_weak();
     }
@@ -497,7 +496,7 @@ STDCXX_INTERCEPTOR(bool, _ZNSt3__114__shared_count16__release_sharedEv,
     return REAL(_ZNSt3__114__shared_count16__release_sharedEv)(o);
 
   SCOPED_TSAN_INTERCEPTOR(_ZNSt3__114__shared_count16__release_sharedEv, o);
-  if (__tsan_atomic64_fetch_add(&o->shared_owners, -1, morder::release) == 0) {
+  if (__tsan_atomic64_fetch_add(&o->shared_owners, -1, mo_release) == 0) {
     Acquire(thr, pc, (uptr)&o->shared_owners);
     o->on_zero_shared();
     return true;

diff  --git a/compiler-rt/lib/tsan/rtl/tsan_interface.h b/compiler-rt/lib/tsan/rtl/tsan_interface.h
index 9751e891b6d90c..6c197449904c92 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interface.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_interface.h
@@ -219,14 +219,14 @@ __extension__ typedef __int128 a128;
 
 // Part of ABI, do not change.
 // https://github.com/llvm/llvm-project/blob/main/libcxx/include/atomic
-enum class morder : int {
-  relaxed,
-  consume,
-  acquire,
-  release,
-  acq_rel,
-  seq_cst
-};
+typedef enum {
+  mo_relaxed,
+  mo_consume,
+  mo_acquire,
+  mo_release,
+  mo_acq_rel,
+  mo_seq_cst
+} morder;
 
 struct ThreadState;
 

diff  --git a/compiler-rt/lib/tsan/rtl/tsan_interface_atomic.cpp b/compiler-rt/lib/tsan/rtl/tsan_interface_atomic.cpp
index 283eaee3b8ba7a..d12e0f596a7fb4 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interface_atomic.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_interface_atomic.cpp
@@ -34,28 +34,26 @@ static StaticSpinMutex mutex128;
 
 #if SANITIZER_DEBUG
 static bool IsLoadOrder(morder mo) {
-  return mo == morder::relaxed || mo == morder::consume ||
-         mo == morder::acquire || mo == morder::seq_cst;
+  return mo == mo_relaxed || mo == mo_consume || mo == mo_acquire ||
+         mo == mo_seq_cst;
 }
 
 static bool IsStoreOrder(morder mo) {
-  return mo == morder::relaxed || mo == morder::release ||
-         mo == morder::seq_cst;
+  return mo == mo_relaxed || mo == mo_release || mo == mo_seq_cst;
 }
 #endif
 
 static bool IsReleaseOrder(morder mo) {
-  return mo == morder::release || mo == morder::acq_rel ||
-         mo == morder::seq_cst;
+  return mo == mo_release || mo == mo_acq_rel || mo == mo_seq_cst;
 }
 
 static bool IsAcquireOrder(morder mo) {
-  return mo == morder::consume || mo == morder::acquire ||
-         mo == morder::acq_rel || mo == morder::seq_cst;
+  return mo == mo_consume || mo == mo_acquire || mo == mo_acq_rel ||
+         mo == mo_seq_cst;
 }
 
 static bool IsAcqRelOrder(morder mo) {
-  return mo == morder::acq_rel || mo == morder::seq_cst;
+  return mo == mo_acq_rel || mo == mo_seq_cst;
 }
 
 template <typename T>
@@ -207,17 +205,17 @@ static atomic_uint64_t *to_atomic(const volatile a64 *a) {
 
 static memory_order to_mo(morder mo) {
   switch (mo) {
-    case morder::relaxed:
+    case mo_relaxed:
       return memory_order_relaxed;
-    case morder::consume:
+    case mo_consume:
       return memory_order_consume;
-    case morder::acquire:
+    case mo_acquire:
       return memory_order_acquire;
-    case morder::release:
+    case mo_release:
       return memory_order_release;
-    case morder::acq_rel:
+    case mo_acq_rel:
       return memory_order_acq_rel;
-    case morder::seq_cst:
+    case mo_seq_cst:
       return memory_order_seq_cst;
   }
   DCHECK(0);
@@ -229,7 +227,7 @@ namespace {
 template <typename T, T (*F)(volatile T *v, T op)>
 static T AtomicRMW(ThreadState *thr, uptr pc, volatile T *a, T v, morder mo) {
   MemoryAccess(thr, pc, (uptr)a, AccessSize<T>(), kAccessWrite | kAccessAtomic);
-  if (LIKELY(mo == morder::relaxed))
+  if (LIKELY(mo == mo_relaxed))
     return F(a, v);
   SlotLocker locker(thr);
   {
@@ -438,12 +436,12 @@ struct OpCAS {
                      volatile T *a, T *c, T v) {
     // 31.7.2.18: "The failure argument shall not be memory_order_release
     // nor memory_order_acq_rel". LLVM (2021-05) fallbacks to Monotonic
-    // (morder::relaxed) when those are used.
+    // (mo_relaxed) when those are used.
     DCHECK(IsLoadOrder(fmo));
 
     MemoryAccess(thr, pc, (uptr)a, AccessSize<T>(),
                  kAccessWrite | kAccessAtomic);
-    if (LIKELY(mo == morder::relaxed && fmo == morder::relaxed)) {
+    if (LIKELY(mo == mo_relaxed && fmo == mo_relaxed)) {
       T cc = *c;
       T pr = func_cas(a, cc, v);
       if (pr == cc)
@@ -503,9 +501,10 @@ struct OpFence {
 // C/C++
 
 static morder convert_morder(morder mo) {
-  if (flags()->force_seq_cst_atomics)
-    return (morder)morder::seq_cst;
+  return flags()->force_seq_cst_atomics ? mo_seq_cst : mo;
+}
 
+static morder to_morder(int mo) {
   // Filter out additional memory order flags:
   // MEMMODEL_SYNC        = 1 << 15
   // __ATOMIC_HLE_ACQUIRE = 1 << 16
@@ -516,7 +515,7 @@ static morder convert_morder(morder mo) {
   // since we use __sync_ atomics for actual atomic operations,
   // we can safely ignore it as well. It also subtly affects semantics,
   // but we don't model the 
diff erence.
-  return static_cast<morder>(static_cast<int>(mo) & 0x7fff);
+  return static_cast<morder>(mo & 0x7fff);
 }
 
 #  define ATOMIC_IMPL(func, mo, ...)                                  \
@@ -530,347 +529,345 @@ static morder convert_morder(morder mo) {
 extern "C" {
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_load(const volatile a8 *a, int mo) {
-  ATOMIC_IMPL(Load, static_cast<morder>(mo), a);
+  ATOMIC_IMPL(Load, to_morder(mo), a);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_load(const volatile a16 *a, int mo) {
-  ATOMIC_IMPL(Load, static_cast<morder>(mo), a);
+  ATOMIC_IMPL(Load, to_morder(mo), a);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_load(const volatile a32 *a, int mo) {
-  ATOMIC_IMPL(Load, static_cast<morder>(mo), a);
+  ATOMIC_IMPL(Load, to_morder(mo), a);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_load(const volatile a64 *a, int mo) {
-  ATOMIC_IMPL(Load, static_cast<morder>(mo), a);
+  ATOMIC_IMPL(Load, to_morder(mo), a);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_load(const volatile a128 *a, int mo) {
-  ATOMIC_IMPL(Load, static_cast<morder>(mo), a);
+  ATOMIC_IMPL(Load, to_morder(mo), a);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_atomic8_store(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(Store, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Store, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_atomic16_store(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(Store, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Store, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_atomic32_store(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(Store, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Store, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_atomic64_store(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(Store, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Store, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_atomic128_store(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(Store, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Store, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_exchange(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(Exchange, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Exchange, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_exchange(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(Exchange, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Exchange, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_exchange(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(Exchange, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Exchange, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_exchange(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(Exchange, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Exchange, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_exchange(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(Exchange, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(Exchange, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_fetch_add(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(FetchAdd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAdd, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_fetch_add(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(FetchAdd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAdd, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_fetch_add(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(FetchAdd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAdd, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_fetch_add(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(FetchAdd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAdd, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_fetch_add(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(FetchAdd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAdd, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_fetch_sub(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(FetchSub, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchSub, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_fetch_sub(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(FetchSub, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchSub, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_fetch_sub(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(FetchSub, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchSub, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_fetch_sub(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(FetchSub, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchSub, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_fetch_sub(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(FetchSub, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchSub, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_fetch_and(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(FetchAnd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAnd, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_fetch_and(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(FetchAnd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAnd, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_fetch_and(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(FetchAnd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAnd, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_fetch_and(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(FetchAnd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAnd, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_fetch_and(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(FetchAnd, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchAnd, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_fetch_or(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(FetchOr, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchOr, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_fetch_or(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(FetchOr, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchOr, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_fetch_or(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(FetchOr, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchOr, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_fetch_or(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(FetchOr, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchOr, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_fetch_or(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(FetchOr, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchOr, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_fetch_xor(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(FetchXor, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchXor, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_fetch_xor(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(FetchXor, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchXor, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_fetch_xor(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(FetchXor, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchXor, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_fetch_xor(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(FetchXor, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchXor, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_fetch_xor(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(FetchXor, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchXor, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_fetch_nand(volatile a8 *a, a8 v, int mo) {
-  ATOMIC_IMPL(FetchNand, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchNand, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_fetch_nand(volatile a16 *a, a16 v, int mo) {
-  ATOMIC_IMPL(FetchNand, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchNand, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_fetch_nand(volatile a32 *a, a32 v, int mo) {
-  ATOMIC_IMPL(FetchNand, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchNand, to_morder(mo), a, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_fetch_nand(volatile a64 *a, a64 v, int mo) {
-  ATOMIC_IMPL(FetchNand, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchNand, to_morder(mo), a, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_fetch_nand(volatile a128 *a, a128 v, int mo) {
-  ATOMIC_IMPL(FetchNand, static_cast<morder>(mo), a, v);
+  ATOMIC_IMPL(FetchNand, to_morder(mo), a, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic8_compare_exchange_strong(volatile a8 *a, a8 *c, a8 v, int mo,
                                            int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic16_compare_exchange_strong(volatile a16 *a, a16 *c, a16 v,
                                             int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic32_compare_exchange_strong(volatile a32 *a, a32 *c, a32 v,
                                             int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic64_compare_exchange_strong(volatile a64 *a, a64 *c, a64 v,
                                             int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic128_compare_exchange_strong(volatile a128 *a, a128 *c, a128 v,
                                              int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic8_compare_exchange_weak(volatile a8 *a, a8 *c, a8 v, int mo,
                                          int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic16_compare_exchange_weak(volatile a16 *a, a16 *c, a16 v,
                                           int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic32_compare_exchange_weak(volatile a32 *a, a32 *c, a32 v,
                                           int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic64_compare_exchange_weak(volatile a64 *a, a64 *c, a64 v,
                                           int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 int __tsan_atomic128_compare_exchange_weak(volatile a128 *a, a128 *c, a128 v,
                                            int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a8 __tsan_atomic8_compare_exchange_val(volatile a8 *a, a8 c, a8 v, int mo,
                                        int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a16 __tsan_atomic16_compare_exchange_val(volatile a16 *a, a16 c, a16 v, int mo,
                                          int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a32 __tsan_atomic32_compare_exchange_val(volatile a32 *a, a32 c, a32 v, int mo,
                                          int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 a64 __tsan_atomic64_compare_exchange_val(volatile a64 *a, a64 c, a64 v, int mo,
                                          int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 
 #  if __TSAN_HAS_INT128
 SANITIZER_INTERFACE_ATTRIBUTE
 a128 __tsan_atomic128_compare_exchange_val(volatile a128 *a, a128 c, a128 v,
                                            int mo, int fmo) {
-  ATOMIC_IMPL(CAS, static_cast<morder>(mo), static_cast<morder>(fmo), a, c, v);
+  ATOMIC_IMPL(CAS, to_morder(mo), to_morder(fmo), a, c, v);
 }
 #  endif
 
 SANITIZER_INTERFACE_ATTRIBUTE
-void __tsan_atomic_thread_fence(int mo) {
-  ATOMIC_IMPL(Fence, static_cast<morder>(mo));
-}
+void __tsan_atomic_thread_fence(int mo) { ATOMIC_IMPL(Fence, to_morder(mo)); }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_atomic_signal_fence(int mo) {}
@@ -901,69 +898,69 @@ void __tsan_atomic_signal_fence(int mo) {}
 extern "C" {
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic32_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(Load, *(a32 *)(a + 8), morder::acquire, *(a32 **)a);
+  ATOMIC_RET(Load, *(a32 *)(a + 8), mo_acquire, *(a32 **)a);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(Load, *(a64 *)(a + 8), morder::acquire, *(a64 **)a);
+  ATOMIC_RET(Load, *(a64 *)(a + 8), mo_acquire, *(a64 **)a);
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic32_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC(Store, morder::release, *(a32 **)a, *(a32 *)(a + 8));
+  ATOMIC(Store, mo_release, *(a32 **)a, *(a32 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic64_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC(Store, morder::release, *(a64 **)a, *(a64 *)(a + 8));
+  ATOMIC(Store, mo_release, *(a64 **)a, *(a64 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic32_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(FetchAdd, *(a32 *)(a + 16), morder::acq_rel, *(a32 **)a,
+  ATOMIC_RET(FetchAdd, *(a32 *)(a + 16), mo_acq_rel, *(a32 **)a,
              *(a32 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic64_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(FetchAdd, *(a64 *)(a + 16), morder::acq_rel, *(a64 **)a,
+  ATOMIC_RET(FetchAdd, *(a64 *)(a + 16), mo_acq_rel, *(a64 **)a,
              *(a64 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic32_fetch_and(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(FetchAnd, *(a32 *)(a + 16), morder::acq_rel, *(a32 **)a,
+  ATOMIC_RET(FetchAnd, *(a32 *)(a + 16), mo_acq_rel, *(a32 **)a,
              *(a32 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic64_fetch_and(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(FetchAnd, *(a64 *)(a + 16), morder::acq_rel, *(a64 **)a,
+  ATOMIC_RET(FetchAnd, *(a64 *)(a + 16), mo_acq_rel, *(a64 **)a,
              *(a64 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic32_fetch_or(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(FetchOr, *(a32 *)(a + 16), morder::acq_rel, *(a32 **)a,
+  ATOMIC_RET(FetchOr, *(a32 *)(a + 16), mo_acq_rel, *(a32 **)a,
              *(a32 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic64_fetch_or(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(FetchOr, *(a64 *)(a + 16), morder::acq_rel, *(a64 **)a,
+  ATOMIC_RET(FetchOr, *(a64 *)(a + 16), mo_acq_rel, *(a64 **)a,
              *(a64 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic32_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(Exchange, *(a32 *)(a + 16), morder::acq_rel, *(a32 **)a,
+  ATOMIC_RET(Exchange, *(a32 *)(a + 16), mo_acq_rel, *(a32 **)a,
              *(a32 *)(a + 8));
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE
 void __tsan_go_atomic64_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a) {
-  ATOMIC_RET(Exchange, *(a64 *)(a + 16), morder::acq_rel, *(a64 **)a,
+  ATOMIC_RET(Exchange, *(a64 *)(a + 16), mo_acq_rel, *(a64 **)a,
              *(a64 *)(a + 8));
 }
 
@@ -972,7 +969,7 @@ void __tsan_go_atomic32_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
                                          u8 *a) {
   a32 cur = 0;
   a32 cmp = *(a32 *)(a + 8);
-  ATOMIC_RET(CAS, cur, morder::acq_rel, morder::acquire, *(a32 **)a, cmp,
+  ATOMIC_RET(CAS, cur, mo_acq_rel, mo_acquire, *(a32 **)a, cmp,
              *(a32 *)(a + 12));
   *(bool *)(a + 16) = (cur == cmp);
 }
@@ -982,7 +979,7 @@ void __tsan_go_atomic64_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
                                          u8 *a) {
   a64 cur = 0;
   a64 cmp = *(a64 *)(a + 8);
-  ATOMIC_RET(CAS, cur, morder::acq_rel, morder::acquire, *(a64 **)a, cmp,
+  ATOMIC_RET(CAS, cur, mo_acq_rel, mo_acquire, *(a64 **)a, cmp,
              *(a64 *)(a + 16));
   *(bool *)(a + 24) = (cur == cmp);
 }


        


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