[llvm] 09c3eeb - [Attributor] Use sensible initialization in AANoCaptureCallSiteReturned

[Johannes Doerfert via llvm-commits]

Author: Johannes Doerfert
Date: 2021-03-04T00:35:51-06:00
New Revision: 09c3eebf5fd647895e20617a11d898c66f96d22a

URL: https://github.com/llvm/llvm-project/commit/09c3eebf5fd647895e20617a11d898c66f96d22a
DIFF: https://github.com/llvm/llvm-project/commit/09c3eebf5fd647895e20617a11d898c66f96d22a.diff

LOG: [Attributor] Use sensible initialization in AANoCaptureCallSiteReturned

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/AttributorAttributes.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
index d6127a8df628..77c34a108671 100644
--- a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -4478,6 +4478,13 @@ struct AANoCaptureCallSiteReturned final : AANoCaptureImpl {
   AANoCaptureCallSiteReturned(const IRPosition &IRP, Attributor &A)
       : AANoCaptureImpl(IRP, A) {}
 
+  /// See AbstractAttribute::initialize(...).
+  void initialize(Attributor &A) override {
+    const Function *F = getAnchorScope();
+    // Check what state the associated function can actually capture.
+    determineFunctionCaptureCapabilities(getIRPosition(), *F, *this);
+  }
+
   /// See AbstractAttribute::trackStatistics()
   void trackStatistics() const override {
     STATS_DECLTRACK_CSRET_ATTR(nocapture)