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Thomas Lively 1885747498 [WebAssembly] Optimize ISel for SIMD Boolean reductions 
Summary:
Converting the result *.{all,any}_true to a bool at the source level
generates LLVM IR that compares the result to 0. This check is
redundant since these instructions already return either 0 or 1 and
therefore conform to the BooleanContents setting for WebAssembly. This
CL adds patterns to detect and remove such redundant operations on the
result of Boolean reductions.

Reviewers: dschuff, aheejin

Subscribers: sbc100, jgravelle-google, hiraditya, sunfish, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63529

llvm-svn: 363756
 		2019-06-19 00:02:13 +00:00
..
AArch64 hwasan: Add a tag_offset DWARF attribute to instrumented stack variables. 2019-06-17 23:39:41 +00:00
AMDGPU AMDGPU: Add ds_gws_init / ds_gws_barrier intrinsics 2019-06-18 13:19:57 +00:00
ARC [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
ARM [ARM] Comply with rules on ARMv8-A thumb mode partial deprecation of IT. 2019-06-18 20:55:09 +00:00
AVR [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
BPF [BPF] generate R_BPF_NONE relocation for BTF DataSec variables 2019-05-26 21:26:06 +00:00
Generic [test] Change comment wording (NFC) 2019-06-18 23:31:10 +00:00
Hexagon [SCEV] Use NoWrapFlags when expanding a simple mul 2019-06-17 10:05:18 +00:00
Inputs
…
Lanai [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
MIR [X86] Introduce new MOVSSrm/MOVSDrm opcodes that use VR128 register class. 2019-06-18 03:23:11 +00:00
MSP430 [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
Mips [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
NVPTX SelectionDAG: accommodate atomic floating stores. 2019-05-10 11:23:04 +00:00
PowerPC [SelectionDAG] Legalize vaargs that require vector splitting 2019-06-18 12:24:02 +00:00
RISCV [RISCV] Prevent re-ordering some adds after shifts 2019-06-18 20:38:08 +00:00
SPARC [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
SystemZ [SystemZ] Fix AHIMuxK pseudo expansion. 2019-06-18 12:10:02 +00:00
Thumb [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
Thumb2 [ARM] Comply with rules on ARMv8-A thumb mode partial deprecation of IT. 2019-06-18 20:55:09 +00:00
WebAssembly [WebAssembly] Optimize ISel for SIMD Boolean reductions 2019-06-19 00:02:13 +00:00
WinCFGuard
…
WinEH [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00
X86 [test] Change comment wording (NFC) 2019-06-18 23:31:10 +00:00
XCore [lit] Delete empty lines at the end of lit.local.cfg NFC 2019-06-17 09:51:07 +00:00