Simplify LLVM_ATTRIBUTE_USED call sites.

llvm-svn: 331599
diff --git a/llvm/lib/Support/Signals.cpp b/llvm/lib/Support/Signals.cpp
index cdf2d86..414619b 100644
--- a/llvm/lib/Support/Signals.cpp
+++ b/llvm/lib/Support/Signals.cpp
@@ -64,15 +64,10 @@
   return format_hex((uint64_t)PC, PtrWidth);
 }
 
-static bool printSymbolizedStackTrace(StringRef Argv0,
-                                      void **StackTrace, int Depth,
-                                      llvm::raw_ostream &OS)
-  LLVM_ATTRIBUTE_USED;
-
 /// Helper that launches llvm-symbolizer and symbolizes a backtrace.
-static bool printSymbolizedStackTrace(StringRef Argv0,
-                                      void **StackTrace, int Depth,
-                                      llvm::raw_ostream &OS) {
+LLVM_ATTRIBUTE_USED
+static bool printSymbolizedStackTrace(StringRef Argv0, void **StackTrace,
+                                      int Depth, llvm::raw_ostream &OS) {
   if (DisableSymbolication)
     return false;
 
diff --git a/llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp b/llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp
index 625e2e93..d0bc2ed 100644
--- a/llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp
@@ -244,8 +244,8 @@
     const Value *V;
   };
 
-  raw_ostream &operator<< (raw_ostream &OS, const PE &P) LLVM_ATTRIBUTE_USED;
-  raw_ostream &operator<< (raw_ostream &OS, const PE &P) {
+  LLVM_ATTRIBUTE_USED
+  raw_ostream &operator<<(raw_ostream &OS, const PE &P) {
     P.C.print(OS, P.V ? P.V : P.C.Root);
     return OS;
   }
diff --git a/llvm/lib/Transforms/Utils/LowerSwitch.cpp b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
index efdc04a..8643ad8 100644
--- a/llvm/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
@@ -155,11 +155,8 @@
 }
 
 /// Used for debugging purposes.
-static raw_ostream& operator<<(raw_ostream &O,
-                               const LowerSwitch::CaseVector &C)
-    LLVM_ATTRIBUTE_USED;
-
-static raw_ostream& operator<<(raw_ostream &O,
+LLVM_ATTRIBUTE_USED
+static raw_ostream &operator<<(raw_ostream &O,
                                const LowerSwitch::CaseVector &C) {
   O << "[";