Add convergent property to CodeMetrics.
Summary: No functional changes.
Reviewers: jingyue, arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D17126
llvm-svn: 260728
diff --git a/llvm/lib/Analysis/CodeMetrics.cpp b/llvm/lib/Analysis/CodeMetrics.cpp
index 4090b4c..035717a 100644
--- a/llvm/lib/Analysis/CodeMetrics.cpp
+++ b/llvm/lib/Analysis/CodeMetrics.cpp
@@ -152,9 +152,12 @@
if (II->getType()->isTokenTy() && II->isUsedOutsideOfBlock(BB))
notDuplicatable = true;
- if (const CallInst *CI = dyn_cast<CallInst>(II))
+ if (const CallInst *CI = dyn_cast<CallInst>(II)) {
if (CI->cannotDuplicate())
notDuplicatable = true;
+ if (CI->isConvergent())
+ convergent = true;
+ }
if (const InvokeInst *InvI = dyn_cast<InvokeInst>(II))
if (InvI->cannotDuplicate())