[PATCH] D67512: [Analysis] Allow -scalar-evolution-max-iterations more than once

[Shoaib Meenai via Phabricator via llvm-commits]

smeenai updated this revision to Diff 220581.
smeenai retitled this revision from "Allow -scalar-evolution-max-iterations more than once" to "[Analysis] Allow -scalar-evolution-max-iterations more than once".
smeenai edited the summary of this revision.
smeenai added a reviewer: jdoerfert.
smeenai added a comment.

Add test


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67512/new/

https://reviews.llvm.org/D67512

Files:
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/test/Analysis/ScalarEvolution/multiple-max-iterations.ll


Index: llvm/test/Analysis/ScalarEvolution/multiple-max-iterations.ll
===================================================================
--- /dev/null
+++ llvm/test/Analysis/ScalarEvolution/multiple-max-iterations.ll
@@ -0,0 +1,2 @@
+; Ensure we can pass -scalar-evolution-max-iterations multiple times
+; RUN: opt -S -scalar-evolution -scalar-evolution-max-iterations=42 -scalar-evolution-max-iterations=42 < %s
Index: llvm/lib/Analysis/ScalarEvolution.cpp
===================================================================
--- llvm/lib/Analysis/ScalarEvolution.cpp
+++ llvm/lib/Analysis/ScalarEvolution.cpp
@@ -148,6 +148,7 @@
 
 static cl::opt<unsigned>
 MaxBruteForceIterations("scalar-evolution-max-iterations", cl::ReallyHidden,
+                        cl::ZeroOrMore,
                         cl::desc("Maximum number of iterations SCEV will "
                                  "symbolically execute a constant "
                                  "derived loop"),


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