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Roman Lebedev b896c4e860 [NFC][AMDGPU] Add tests for all the various IR patterns equivalent to extracting low bits. 
Summary:
The idiom recognition seems rather poor.
Only the `@bzhi32_d0` produces `v_bfe_u32`.
But they all should.

This needs to be fixed before D47980 can be re-landed.

Reviewers: mareko, bogner, rampitec, arsenm, tstellar, nhaehnle

Reviewed By: nhaehnle

Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, llvm-commits

Tags: #amdgpu

Differential Revision: https://reviews.llvm.org/D48005

llvm-svn: 334398
 		2018-06-11 10:21:10 +00:00
clang [MS ABI] Mangle unnamed empty enums (PR37723) 2018-06-11 06:54:23 +00:00
clang-tools-extra [clangd] Deduplicate CompletionItemKind conversion. 2018-06-08 21:17:19 +00:00
compiler-rt [ASAN] Fix crash on i?86-linux (32-bit) against glibc 2.27 and later 2018-06-10 11:17:47 +00:00
debuginfo-tests [debuginfo-tests] Always use the system python to invoke llgdb.py. 2018-06-10 19:38:26 +00:00
libclc r600/fmin: Flush denormals before calling builtin. 2018-06-07 20:27:58 +00:00
libcxx Remove unused code from __functional_base. NFC. 2018-06-06 06:42:27 +00:00
libcxxabi private_typeinfo: limit is_dst_type_derived_from_static_type optimization 2018-05-18 20:51:38 +00:00
libunwind [OR1K] Add the EPCR special-purpose register to register state. 2018-05-16 19:09:48 +00:00
lld [ELF] Pass a pointer to InputFile to the getRelocTargetVA to escape dereferencing of nullptr. NFC 2018-06-11 08:37:19 +00:00
lldb Editline: make #include <codecvt> conditional 2018-06-11 09:32:58 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [NFC][AMDGPU] Add tests for all the various IR patterns equivalent to extracting low bits. 2018-06-11 10:21:10 +00:00
openmp [OpenMP] Fix formatting issues in kmp_stats.h 2018-06-08 22:27:53 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly [Polly] Fix a testcase after LLVM commit r334318 2018-06-08 21:39:55 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.