[PATCH] D79482: Fix stack clash probing on the tail of dynamic allocation
serge via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue May 12 03:11:26 PDT 2020
serge-sans-paille updated this revision to Diff 263389.
serge-sans-paille added a comment.
Rework and improve the patch:
- more documentation
- more assert
- slight update of the way static alloca are probed, leads to slightly smaller code
- completely rework the way dynamic alloca are probed, which leads to smaller and cleaner assembly. As a side effect it also probes the tail.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D79482/new/
https://reviews.llvm.org/D79482
Files:
llvm/lib/Target/X86/X86FrameLowering.cpp
llvm/lib/Target/X86/X86ISelLowering.cpp
llvm/test/CodeGen/X86/stack-clash-dynamic-alloca.ll
llvm/test/CodeGen/X86/stack-clash-large.ll
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