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-rw-r--r--llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h5
-rw-r--r--llvm/lib/Transforms/IPO/PassManagerBuilder.cpp2
2 files changed, 7 insertions, 0 deletions
diff --git a/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h b/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
index 1334dd0da23..ef01fa35053 100644
--- a/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
+++ b/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
@@ -81,6 +81,11 @@ public:
/// run after everything else.
EP_OptimizerLast,
+ /// EP_VectorizerStart - This extension point allows adding optimization
+ /// passes before the vectorizer and other highly target specific
+ /// optimization passes are executed.
+ EP_VectorizerStart,
+
/// EP_EnabledOnOptLevel0 - This extension point allows adding passes that
/// should not be disabled by O0 optimization level. The passes will be
/// inserted after the inlining pass.
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index 88e5e479136..4e290a2db82 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -318,6 +318,8 @@ void PassManagerBuilder::populateModulePassManager(
if (RunFloat2Int)
MPM.add(createFloat2IntPass());
+ addExtensionsToPM(EP_VectorizerStart, MPM);
+
// Re-rotate loops in all our loop nests. These may have fallout out of
// rotated form due to GVN or other transformations, and the vectorizer relies
// on the rotated form. Disable header duplication at -Oz.
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