Extend the StartPassTimer and StopPassTimer functions so that the

code that stops the timer doesn't have to search to find the timer
object before it stops the timer. This avoids a lock acquisition
and a few other things done with the timer running.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82949 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/include/llvm/PassManagers.h b/include/llvm/PassManagers.h
index 94d56e4757..a067294e9f 100644
--- a/include/llvm/PassManagers.h
+++ b/include/llvm/PassManagers.h
@@ -95,6 +95,7 @@ namespace llvm {
   class Pass;
   class StringRef;
   class Value;
+  class Timer;
 
 /// FunctionPassManager and PassManager, two top level managers, serve 
 /// as the public interface of pass manager infrastructure.
@@ -460,8 +461,8 @@ public:
   }
 };
 
-extern void StartPassTimer(llvm::Pass *);
-extern void StopPassTimer(llvm::Pass *);
+extern Timer *StartPassTimer(Pass *);
+extern void StopPassTimer(Pass *, Timer *);
 
 }