[all-commits] [llvm/llvm-project] f7e6f5: [ExpandMemCmp] Properly constant-fold all compares.
Clement Courbet via All-commits
all-commits at lists.llvm.org
Mon Mar 9 01:10:49 PDT 2020
Branch: refs/heads/master
Home: https://github.com/llvm/llvm-project
Commit: f7e6f5f8e3046fd9a4528d77df3dfd458a9f437f
https://github.com/llvm/llvm-project/commit/f7e6f5f8e3046fd9a4528d77df3dfd458a9f437f
Author: Clement Courbet <courbet at google.com>
Date: 2020-03-09 (Mon, 09 Mar 2020)
Changed paths:
M llvm/lib/CodeGen/ExpandMemCmp.cpp
M llvm/test/CodeGen/PowerPC/memCmpUsedInZeroEqualityComparison.ll
M llvm/test/CodeGen/PowerPC/memcmpIR.ll
M llvm/test/CodeGen/X86/memcmp.ll
M llvm/test/Transforms/ExpandMemCmp/X86/memcmp.ll
Log Message:
-----------
[ExpandMemCmp] Properly constant-fold all compares.
Summary:
This gets rid of duplicated code and diverging behaviour w.r.t.
constants.
Fixes PR45086.
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75519
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