[CodeGen] Extend Performance Counter to track per-scop information.

Previously, we would generate one performance counter for all scops.
Now, we generate both the old information, as well as a per-scop
performance counter to generate finer grained information.

This patch needed a way to generate a unique name for a `Scop`.
The start region, end region, and function name combined provides a
unique `Scop` name. So, `Scop` has a new public API to provide its start
and end region names.

Differential Revision: https://reviews.llvm.org/D33723

llvm-svn: 304528

1 files changed, 1 insertions, 1 deletions

diff --git a/polly/lib/CodeGen/CodeGeneration.cpp b/polly/lib/CodeGen/CodeGeneration.cpp
index 5e0f08e0f40..aad2ca131fd 100644
--- a/polly/lib/CodeGen/CodeGeneration.cpp
+++ b/polly/lib/CodeGen/CodeGeneration.cpp
@@ -184,7 +184,7 @@ static bool CodeGen(Scop &S, IslAstInfo &AI, LoopInfo &LI, DominatorTree &DT,
   IslNodeBuilder NodeBuilder(Builder, Annotator, DL, LI, SE, DT, S, StartBlock);
 
   if (PerfMonitoring) {
-    PerfMonitor P(EnteringBB->getParent()->getParent());
+    PerfMonitor P(S, EnteringBB->getParent()->getParent());
     P.initialize();
     P.insertRegionStart(SplitBlock->getTerminator());