[PATCH] D150595: [InstCombine] Simplify MemTransferInst with type inference
Anshil Gandhi via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon May 15 11:59:45 PDT 2023
gandhi21299 added inline comments.
================
Comment at: llvm/test/Transforms/InstCombine/memcpy_alloca.ll:83
+ %alloca = alloca half, align 2, addrspace(5)
+ %alloca.ascast = addrspacecast ptr addrspace(5) %alloca to ptr
+ call void @llvm.memcpy.p0.p0.i64(ptr %dest, ptr align 2 %alloca.ascast, i64 2, i1 false)
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arsenm wrote:
> Why is the cast necessary for the test?
InstCombine reduces the function down to `ret void` when I remove the cast.
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https://reviews.llvm.org/D150595/new/
https://reviews.llvm.org/D150595
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