David Bolvansky dbcdad51ff [InstCombine] (1 << (C - x)) -> ((1 << C) >> x) if C is bitwidth - 1 ... Summary: ``` %a = sub i32 31, %x %r = shl i32 1, %a => %d = shl i32 1, 31 %r = lshr i32 %d, %x Done: 1 Optimization is correct! ``` https://rise4fun.com/Alive/btZm Reviewers: spatel, lebedev.ri, nikic Reviewed By: lebedev.ri Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D63652 llvm-svn: 364073		2019-06-21 16:25:32 +00:00
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Analysis	[LICM & MSSA] Fixed test to run only with assertions enabled as it uses -debug-only	2019-06-21 04:49:40 +00:00
Assembler	hwasan: Add a tag_offset DWARF attribute to instrumented stack variables.	2019-06-17 23:39:41 +00:00
Bindings	…
Bitcode	[SVE][IR] Scalable Vector IR Type with pr42210 fix	2019-06-18 10:11:56 +00:00
BugPoint	…
CodeGen	[RISCV] Add RISCV-specific TargetTransformInfo	2019-06-21 13:36:09 +00:00
DebugInfo	Store a pointer to the return value in a static alloca and let the debugger use that	2019-06-20 17:15:21 +00:00
Demangle	llvm-undname: Correctly demangle vararg parameters	2019-06-04 19:10:08 +00:00
Examples	…
ExecutionEngine	[lit] Delete empty lines at the end of lit.local.cfg NFC	2019-06-17 09:51:07 +00:00
Feature	…
FileCheck	[FileCheck] Stop qualifying expressions as numeric	2019-06-19 23:47:24 +00:00
Instrumentation	[profile] Solaris ld supports __start___llvm_prof_data etc. labels	2019-06-20 21:27:06 +00:00
Integer	…
JitListener	[lit] Delete empty lines at the end of lit.local.cfg NFC	2019-06-17 09:51:07 +00:00
LTO	[ThinLTO]LTO]Legacy] Fix dependent libraries support by adding querying of the IRSymtab	2019-06-12 11:07:56 +00:00
Linker	Reapply: IR: add optional type to 'byval' function parameters	2019-05-30 18:48:23 +00:00
MC	[ARM] Add MVE 64-bit GPR <-> vector move instructions.	2019-06-21 13:17:23 +00:00
MachineVerifier	Fix GlobalISel MachineVerifier tests. NFC.	2019-06-19 18:15:45 +00:00
Object	[lit] Delete empty lines at the end of lit.local.cfg NFC	2019-06-17 09:51:07 +00:00
ObjectYAML	[yaml2obj][MachO] Don't fill dummy data for virtual sections	2019-06-17 02:07:20 +00:00
Other	Update LLVM test to not check for the EliminateAvailableExternallyPass	2019-06-20 20:51:58 +00:00
SafepointIRVerifier	…
Support	[llvm-dwarfdump] Remove unnecessary explicit -h behaviour	2019-06-21 11:22:20 +00:00
SymbolRewriter	…
TableGen	…
ThinLTO/X86	[Remarks] Extend -fsave-optimization-record to specify the format	2019-06-17 16:06:00 +00:00
Transforms	[InstCombine] (1 << (C - x)) -> ((1 << C) >> x) if C is bitwidth - 1	2019-06-21 16:25:32 +00:00
Unit	…
Verifier	Add debug location verification for !llvm.loop attachments.	2019-06-18 20:09:09 +00:00
YAMLParser	…
tools	[llvm-objcopy] - Get rid of dynrel.elf precompiled binary from inputs.	2019-06-21 14:15:15 +00:00
.clang-format	…
CMakeLists.txt	[tools] Introduce llvm-lipo	2019-05-28 23:22:12 +00:00
TestRunner.sh	…
lit.cfg.py	…
lit.site.cfg.py.in	…