Add a new optimization pass: Stack Coloring, that merges disjoint static allocations (allocas). Allocas are known to be
disjoint if they are marked by disjoint lifetime markers (@llvm.lifetime.XXX intrinsics).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163299 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGen.cpp b/lib/CodeGen/CodeGen.cpp
index fb2c2e8..65f0941 100644
--- a/lib/CodeGen/CodeGen.cpp
+++ b/lib/CodeGen/CodeGen.cpp
@@ -56,6 +56,7 @@
initializeRegisterCoalescerPass(Registry);
initializeSlotIndexesPass(Registry);
initializeStackProtectorPass(Registry);
+ initializeStackColoringPass(Registry);
initializeStackSlotColoringPass(Registry);
initializeStrongPHIEliminationPass(Registry);
initializeTailDuplicatePassPass(Registry);