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No behavior is changed if LLVM_TARGET_TRIPLE_ENV is blank or undefined. If LLVM_TARGET_TRIPLE_ENV is "TEST_TARGET_TRIPLE" and $TEST_TARGET_TRIPLE is not blank, llvm::sys::getDefaultTargetTriple() returns $TEST_TARGET_TRIPLE. Lit resets config.target_triple and config.environment[LLVM_TARGET_TRIPLE_ENV] to change the default target. Without changing LLVM_DEFAULT_TARGET_TRIPLE nor rebuilding, lit can be run; TEST_TARGET_TRIPLE=i686-pc-win32 bin/llvm-lit -sv path/to/test/ TEST_TARGET_TRIPLE=i686-pc-win32 ninja check-clang-tools Differential Revision: https://reviews.llvm.org/D33662 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305632 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
929 B
C++
31 lines
929 B
C++
//===- llvm/Support/Win32/Host.inc ------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Win32 Host support.
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//
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//===----------------------------------------------------------------------===//
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#include "WindowsSupport.h"
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#include <cstdio>
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#include <string>
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using namespace llvm;
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std::string sys::getDefaultTargetTriple() {
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const char *Triple = LLVM_DEFAULT_TARGET_TRIPLE;
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// Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
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#if defined(LLVM_TARGET_TRIPLE_ENV)
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if (const char *EnvTriple = std::getenv(LLVM_TARGET_TRIPLE_ENV))
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Triple = EnvTriple;
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#endif
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return Triple::normalize(Triple);
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}
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