[llvm] f64dc4e - Preserve GlobalsAA analysis result in InjectTLIMappings

[Florian Hahn via llvm-commits]

Author: Ryan Santhiraraja
Date: 2020-06-23T22:05:42+01:00
New Revision: f64dc4e6866c2ab88148abb7d8a27e3828f978e4

URL: https://github.com/llvm/llvm-project/commit/f64dc4e6866c2ab88148abb7d8a27e3828f978e4
DIFF: https://github.com/llvm/llvm-project/commit/f64dc4e6866c2ab88148abb7d8a27e3828f978e4.diff

LOG: Preserve GlobalsAA analysis result in InjectTLIMappings

InjectTLIMappings fails to preserve the analysis result of GlobalsAA. Not preserving the analysis might affect benchmark performance. This change fixes this issue.

Patch by: Ryan Santhiraraja <rsanthir at quicinc.com>

Reviewers: fpetrogalli, joerg, fhahn

Reviewed By: fhahn

Differential Revision: https://reviews.llvm.org/D82343

Added: 
    

Modified: 
    llvm/lib/Transforms/Utils/InjectTLIMappings.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
index 83616f0f99e7..9d8f59d62d6d 100644
--- a/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
+++ b/llvm/lib/Transforms/Utils/InjectTLIMappings.cpp
@@ -14,6 +14,7 @@
 #include "llvm/Transforms/Utils/InjectTLIMappings.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/DemandedBits.h"
+#include "llvm/Analysis/GlobalsModRef.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/VectorUtils.h"
 #include "llvm/IR/InstIterator.h"
@@ -144,6 +145,7 @@ void InjectTLIMappingsLegacy::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addPreserved<LoopAccessLegacyAnalysis>();
   AU.addPreserved<DemandedBitsWrapperPass>();
   AU.addPreserved<OptimizationRemarkEmitterWrapperPass>();
+  AU.addPreserved<GlobalsAAWrapperPass>();
 }
 
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