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Petr Hosek 24b61ac832 [Support] Avoid normalization in sys::getDefaultTargetTriple 
The return value of sys::getDefaultTargetTriple, which is derived from
-DLLVM_DEFAULT_TRIPLE, is used to construct tool names, default target,
and in the future also to control the search path directly; as such it
should be used textually, without interpretation by LLVM.

Normalization of this value may lead to unexpected results, for example
if we configure LLVM with -DLLVM_DEFAULT_TARGET_TRIPLE=x86_64-linux-gnu,
normalization will transform that value to x86_64--linux-gnu. Driver will
use that value to search for tools prefixed with x86_64--linux-gnu- which
may be confusing. This is also inconsistent with the behavior of the
--target flag which is taken as-is without any normalization and overrides
the value of LLVM_DEFAULT_TARGET_TRIPLE.

Users of sys::getDefaultTargetTriple already perform their own
normalization as needed, so this change shouldn't impact existing logic.

Differential Revision: https://reviews.llvm.org/D46910

llvm-svn: 332750
 		2018-05-18 18:33:07 +00:00
clang [Support] Avoid normalization in sys::getDefaultTargetTriple 2018-05-18 18:33:07 +00:00
clang-tools-extra Trying to fix clang-move tests on windows build bot broken by r332717 2018-05-18 16:08:18 +00:00
compiler-rt [asan] Explicitly declare memintrinsics interceptors to have C linkage 2018-05-18 18:01:08 +00:00
debuginfo-tests [Darwin] Specify DWARF 2/4 when running apple accelerator tests. 2018-02-26 20:56:45 +00:00
libclc Add initial support for half precision builtins 2018-05-17 22:55:30 +00:00
libcxx [libcxx] [test] Remove unused local typedef in test/std/numerics/rand/rand.eng/rand.eng.lcong/default.pass.cpp 2018-05-17 04:59:34 +00:00
libcxxabi Fix test failure for missing _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS 2018-05-03 12:44:27 +00:00
libunwind [OR1K] Add the EPCR special-purpose register to register state. 2018-05-16 19:09:48 +00:00
lld Mitigate relocation overflow [part 2 of 2] 2018-05-18 03:01:06 +00:00
lldb [lldb] Fix compile warnings in r332702 2018-05-18 16:19:52 +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 [Support] Avoid normalization in sys::getDefaultTargetTriple 2018-05-18 18:33:07 +00:00
openmp [libomptarget-nvptx-bc] Pass found CUDA installations 2018-05-16 17:20:27 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly [DeLICM] Avoid assertion on out-of-quota. 2018-05-16 16:39:51 +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.