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 | ||