[compiler-rt] r178341 - [tsan] restore performance critical inlining in tsan: remove static from ALWAYS_INLINE, use ALWAYS_INLINE USED for critical functions.

Kostya Serebryany kcc at google.com
Fri Mar 29 02:44:16 PDT 2013


Author: kcc
Date: Fri Mar 29 04:44:16 2013
New Revision: 178341

URL: http://llvm.org/viewvc/llvm-project?rev=178341&view=rev
Log:
[tsan] restore performance critical inlining in tsan: remove static from ALWAYS_INLINE, use ALWAYS_INLINE USED for critical functions. 

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h
    compiler-rt/trunk/lib/tsan/rtl/tsan_rtl.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h?rev=178341&r1=178340&r2=178341&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_internal_defs.h Fri Mar 29 04:44:16 2013
@@ -130,7 +130,7 @@ using namespace __sanitizer;  // NOLINT
 # define USED
 # define PREFETCH(x) /* _mm_prefetch(x, _MM_HINT_NTA) */
 #else  // _MSC_VER
-# define ALWAYS_INLINE static inline __attribute__((always_inline))
+# define ALWAYS_INLINE inline __attribute__((always_inline))
 # define ALIAS(x) __attribute__((alias(x)))
 # define ALIGNED(x) __attribute__((aligned(x)))
 # define FORMAT(f, a)  __attribute__((format(printf, f, a)))

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_rtl.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_rtl.cc?rev=178341&r1=178340&r2=178341&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_rtl.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_rtl.cc Fri Mar 29 04:44:16 2013
@@ -385,7 +385,7 @@ static inline bool HappensBefore(Shadow
   return thr->clock.get(old.TidWithIgnore()) >= old.epoch();
 }
 
-// FIXME: should be ALWAYS_INLINE for performance reasons?
+ALWAYS_INLINE USED
 void MemoryAccessImpl(ThreadState *thr, uptr addr,
     int kAccessSizeLog, bool kAccessIsWrite, bool kIsAtomic,
     u64 *shadow_mem, Shadow cur) {
@@ -459,7 +459,7 @@ void MemoryAccessImpl(ThreadState *thr,
   return;
 }
 
-// FIXME: should be ALWAYS_INLINE for performance reasons?
+ALWAYS_INLINE USED
 void MemoryAccess(ThreadState *thr, uptr pc, uptr addr,
     int kAccessSizeLog, bool kAccessIsWrite, bool kIsAtomic) {
   u64 *shadow_mem = (u64*)MemToShadow(addr);
@@ -597,7 +597,7 @@ void MemoryRangeImitateWrite(ThreadState
   MemoryRangeSet(thr, pc, addr, size, s.raw());
 }
 
-// FIXME: should be ALWAYS_INLINE for performance reasons?
+ALWAYS_INLINE USED
 void FuncEntry(ThreadState *thr, uptr pc) {
   DCHECK_EQ(thr->in_rtl, 0);
   StatInc(thr, StatFuncEnter);
@@ -627,7 +627,7 @@ void FuncEntry(ThreadState *thr, uptr pc
   thr->shadow_stack_pos++;
 }
 
-// FIXME: should be ALWAYS_INLINE for performance reasons?
+ALWAYS_INLINE USED
 void FuncExit(ThreadState *thr) {
   DCHECK_EQ(thr->in_rtl, 0);
   StatInc(thr, StatFuncExit);





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