Add an 'inline hint' attribute to represent source

code hints that it would be a good idea to inline
a function ("inline" keyword).  No functional change
yet; FEs do not emit this and inliner does not use it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80063 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm-c/Core.h

@@ -109,7 +109,8 @@ typedef enum {
     LLVMNoCaptureAttribute  = 1<<21,
     LLVMNoRedZoneAttribute  = 1<<22,
     LLVMNoImplicitFloatAttribute = 1<<23,
-    LLVMNakedAttribute      = 1<<24
+    LLVMNakedAttribute      = 1<<24,
+    LLVMInlineHintAttribute = 1<<25
 } LLVMAttribute;
 
 typedef enum {