CodegenCleanup: Drop CFLAA pass from codegen cleanup sequence
Since r274197 -polly-position=before-vectorizer caused various LNT failures for example in SingleSource/Benchmarks/Linpack. These failures seem to only occur when the CFLAA pass is scheduled in our codegen-cleanup passes, which suggests that the way we call this AA pass is somehow problematic. As this pass is not of high importance, we drop the pass for now to prevent these failures from happening. At a later point, we might investigate more in-depth why this specific usage scenario caused correctness issues. llvm-svn: 274427
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@ -49,7 +49,6 @@ public:
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// TODO: How to make parent passes discoverable?
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// TODO: Should be sensitive to compiler options in PassManagerBuilder, to
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// which wo do not have access here.
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FPM->add(createCFLAAWrapperPass());
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FPM->add(createScopedNoAliasAAWrapperPass());
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FPM->add(createTypeBasedAAWrapperPass());
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FPM->add(createAAResultsWrapperPass());
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