forked from OSchip/llvm-project
c9a6000755
Summary: Existing LIR recognizes CTLZ where shifting input variable right until it is zero. (Shift-Until-Zero idiom) This commit: 1. Augments Shift-Until-Zero idiom to recognize CTTZ where input variable is shifted left. 2. Prepare for BitScan idiom recognition. Patch by Yuanfang Chen (tabloid.adroit) Reviewers: craig.topper, evstupac Reviewed By: craig.topper Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D55876 llvm-svn: 350074 |
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.. | ||
AMDGPU | ||
ARM | ||
X86 | ||
basic-address-space.ll | ||
basic.ll | ||
crash.ll | ||
ctpop-multiple-users-crash.ll | ||
debug-line.ll | ||
int_sideeffect.ll | ||
lir-heurs-multi-block-loop.ll | ||
memset_noidiom.ll | ||
non-canonical-loop.ll | ||
non-integral-pointers.ll | ||
nontemporal_store.ll | ||
pr28196.ll | ||
pr33114.ll | ||
scev-invalidation.ll | ||
scev-invalidation_topmostloop.ll | ||
struct-custom-dl.ll | ||
struct.ll | ||
struct_pattern.ll | ||
unordered-atomic-memcpy-noarch.ll | ||
unroll-custom-dl.ll | ||
unroll.ll | ||
unsafe.ll | ||
unwind.ll |