Use std::is_sorted and std::none_of instead of manual loops. NFC

[oota-llvm.git] / lib / Analysis / TargetLibraryInfo.cpp

diff --git a/lib/Analysis/TargetLibraryInfo.cpp b/lib/Analysis/TargetLibraryInfo.cpp
index 2588aac8414780d942b167061e3348f8f45ddc28..ce38819256271cc45cd9fe802827119c5a60e0cc 100644 (file)
--- a/lib/Analysis/TargetLibraryInfo.cpp
+++ b/lib/Analysis/TargetLibraryInfo.cpp
@@ -52,14 +52,20 @@ static bool hasSinCosPiStret(const Triple &T) {
 /// specified target triple.  This should be carefully written so that a missing
 /// target triple gets a sane set of defaults.
 static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
-                       const char *const *StandardNames) {
-#ifndef NDEBUG
+                       ArrayRef<const char *> StandardNames) {
   // Verify that the StandardNames array is in alphabetical order.
-  for (unsigned F = 1; F < LibFunc::NumLibFuncs; ++F) {
-    if (strcmp(StandardNames[F-1], StandardNames[F]) >= 0)
-      llvm_unreachable("TargetLibraryInfoImpl function names must be sorted");
+  assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
+                        [](const char *LHS, const char *RHS) {
+                          return strcmp(LHS, RHS) < 0;
+                        }) &&
+         "TargetLibraryInfoImpl function names must be sorted");
+
+  if (T.getArch() == Triple::r600 ||
+      T.getArch() == Triple::amdgcn) {
+    TLI.setUnavailable(LibFunc::ldexp);
+    TLI.setUnavailable(LibFunc::ldexpf);
+    TLI.setUnavailable(LibFunc::ldexpl);
   }
-#endif // !NDEBUG
 
   // There are no library implementations of mempcy and memset for AMD gpus and
   // these can be difficult to lower in the backend.
@@ -350,6 +356,16 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::ffsll);
   }
 
+  // The following functions are available on at least FreeBSD:
+  // http://svn.freebsd.org/base/head/lib/libc/string/fls.c
+  // http://svn.freebsd.org/base/head/lib/libc/string/flsl.c
+  // http://svn.freebsd.org/base/head/lib/libc/string/flsll.c
+  if (!T.isOSFreeBSD()) {
+    TLI.setUnavailable(LibFunc::fls);
+    TLI.setUnavailable(LibFunc::flsl);
+    TLI.setUnavailable(LibFunc::flsll);
+  }
+
   // The following functions are available on at least Linux:
   if (!T.isOSLinux()) {
     TLI.setUnavailable(LibFunc::dunder_strdup);