Revert "Add pthread_self function prototype and make it speculatable."

This reverts commit 143d7445b5dfa2f6d6c45bdbe0433d9fc531be21.

Build breaking

llvm-svn: 303496

1 files changed, 0 insertions, 9 deletions

diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index b12778278ce..2be5d5caf7c 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -349,9 +349,6 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc_atoll);
     TLI.setUnavailable(LibFunc_frexpf);
     TLI.setUnavailable(LibFunc_llabs);
-
-    // Win32 does *not* provide pthread_self.
-    TLI.setUnavailable(LibFunc_pthread_self);
   }
 
   switch (T.getOS()) {
@@ -1266,12 +1263,6 @@ bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy,
             FTy.getParamType(0)->isPointerTy() &&
             FTy.getParamType(1) == SizeTTy && FTy.getParamType(2) == SizeTTy);
 
-  // We do not attempt to match the return value here. i.e. thread identifiers
-  // should be considered opaque, for example, representation using either an
-  // arithmetic type or a structure is permitted. 
-  case LibFunc_pthread_self:
-    return NumParams == 0;
-
   case LibFunc_wcslen:
     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
             FTy.getReturnType()->isIntegerTy());