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Jonas Paulsson 8ae0f88b13 [SystemZ::TTI] Return zero cost for ICmp that becomes Load And Test. 
A loaded value with multiple users compared with 0 will become a load and
test single instruction. The load is not folded in this case (multiple
users), but the compare instruction is eliminated.

This patch returns 0 cost for the icmp in these cases.

Review: Ulrich Weigand
https://reviews.llvm.org/D55111

llvm-svn: 348141
 		2018-12-03 14:30:18 +00:00
clang [OpenCL][Sema] Improving formatting 2018-12-03 14:03:49 +00:00
clang-tools-extra [clangd] Fix a stale comment, NFC. 2018-12-03 13:16:04 +00:00
compiler-rt [SanitizerCommon] Remove RenameFile 2018-12-03 14:03:51 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc travis: Add cmake build 2018-11-27 16:07:21 +00:00
libcxx [libcxx] Implement P0318: unwrap_ref_decay and unwrap_reference 2018-12-03 14:03:27 +00:00
libcxxabi [libcxx] Remove bad_array_length 2018-11-29 19:44:57 +00:00
libunwind [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
lld [LLD][ELF] - Improve the DWARF v5 suport for building .gdb_index. 2018-12-03 10:48:57 +00:00
lldb [PDB] Support PDB-backed expressions evaluation (+ fix stuck test) 2018-12-03 13:31:13 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [SystemZ::TTI] Return zero cost for ICmp that becomes Load And Test. 2018-12-03 14:30:18 +00:00
openmp [OPENMP][NVPTX]Make runtime compatible with the original runtime. 2018-11-30 16:52:38 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [CMake] Fix generation of exported targets in build directory 2018-11-06 15:18:17 +00:00
README.md Update the project name in README.md 2018-10-19 00:03:01 +00:00

README.md

The LLVM Compiler Infrastructure

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