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Craig Topper b7a50e5796 [X86] Add test cases to show bad type legalization of fptosi/fptosui v16f32->v16i8 and v8f64->v8i16 on pre-AVX512 targets. 
When splitting the v16f32/v8f64 result type, type legalization will try to promote the integer result type before a concat and an explicit truncate. But for the fptoui test case this is particularly bad since fptoui isn't supported on X86 until AVX512. We could use an fptosi since the result range would fit in a signed 32-bit value, but the generic type legalization doesn't do that transformation when splitting. It does do this when promoting.

llvm-svn: 347533
 		2018-11-26 06:50:19 +00:00
clang A "constexpr" is evaluated in a constant context. Make sure this is reflected 2018-11-26 02:10:53 +00:00
clang-tools-extra A bit of AST matcher cleanup, NFC. 2018-11-25 02:41:01 +00:00
compiler-rt [X86][compiler-rt] Add missing semicolon 2018-11-24 20:57:03 +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 r600: Add datalayout to image builtin implementation 2018-11-10 21:43:40 +00:00
libcxx [NFC] Fix typo in comment 2018-11-22 19:10:28 +00:00
libcxxabi [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
libunwind [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
lld [LLD][ELF] - Simplify. NFCI. 2018-11-23 15:13:26 +00:00
lldb Revert r347491 as it's llvm counterpart breaks buildbots 2018-11-23 17:13:47 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [X86] Add test cases to show bad type legalization of fptosi/fptosui v16f32->v16i8 and v8f64->v8i16 on pre-AVX512 targets. 2018-11-26 06:50:19 +00:00
openmp [OPENMP][NVPTX]Improved lock/critical constructs. 2018-11-20 20:19:36 +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.