[PATCH] D57898: CodeGen: Fix PR40605: split constant structures generated by -ftrivial-auto-var-init when emitting initializators
Alexander Potapenko via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Feb 12 07:34:48 PST 2019
glider marked 4 inline comments as done.
glider added inline comments.
Herald added a subscriber: jdoerfert.
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Comment at: tools/clang/test/CodeGenCXX/auto-var-init.cpp:496
// ZERO-LABEL: @test_smallpartinit_uninit()
// ZERO: call void @llvm.memset{{.*}}, i8 0,
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jfb wrote:
> I wonder if (maybe in a separate patch) you also want to avoid `memset` when something is pretty small.
If I'm understanding your request correctly, the same code also handles the memset() case for zero-initialization.
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https://reviews.llvm.org/D57898
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