[PATCH] D73005: [Codegen] If reasonable, materialize clang's `AssumeAlignedAttr` as llvm's Alignment Attribute on call-site function return value

Johannes Doerfert via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 21 14:59:58 PST 2020


jdoerfert added inline comments.


================
Comment at: clang/test/CodeGen/assume-aligned-and-alloc-align-attributes.c:12
 // CHECK-NEXT:    [[MASKCOND:%.*]] = icmp eq i64 [[MASKEDPTR]], 0
 // CHECK-NEXT:    call void @llvm.assume(i1 [[MASKCOND]])
 // CHECK-NEXT:    ret i8* [[CALL]]
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Why would we still emit the llvm.assume here?


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  https://reviews.llvm.org/D73005/new/

https://reviews.llvm.org/D73005





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