[PATCH] Add two helper functions: isAtLeastAcquire, isAtLeastRelease

[Robin Morisset]

Stylistic fixes to isAtLeastAcquire/isAtLeastRelease

http://reviews.llvm.org/D4844

Files:
  include/llvm/IR/Instructions.h

Index: include/llvm/IR/Instructions.h
===================================================================
--- include/llvm/IR/Instructions.h
+++ include/llvm/IR/Instructions.h
@@ -50,6 +50,22 @@
   CrossThread = 1
 };
 
+/// Returns true if the ordering is at least as strong as acquire
+/// (i.e. acquire, acq_rel or seq_cst)
+inline bool isAtLeastAcquire(AtomicOrdering Ord) {
+   return (Ord == Acquire ||
+    Ord == AcquireRelease ||
+    Ord == SequentiallyConsistent);
+}
+
+/// Returns true if the ordering is at least as strong as release
+/// (i.e. release, acq_rel or seq_cst)
+inline bool isAtLeastRelease(AtomicOrdering Ord) {
+return (Ord == Release ||
+    Ord == AcquireRelease ||
+    Ord == SequentiallyConsistent);
+}
+
 //===----------------------------------------------------------------------===//
 //                                AllocaInst Class
 //===----------------------------------------------------------------------===//
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