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Revert r142046, "Fix for llvm::sys::getHostTriple on Windows. Instead of relying on the triple"

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It extremely breaks builds when optimization is enabled. Twine should not hold temporary objects.

By the way, I might feel sad if I saw "i786-" "i1586-" or "iF86-".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142055 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2011-10-15 04:29:36 +00:00
parent 8e3ef11550
commit 569c4a4767
1 changed files with 4 additions and 36 deletions
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40
lib/Support/Windows/Host.inc
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@ -12,44 +12,12 @@
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "Windows.h" #include "Windows.h"
#include "llvm/ADT/Twine.h" #include <cstdio>
#include <string>
using namespace llvm; using namespace llvm;
std::string sys::getHostTriple() { std::string sys::getHostTriple() {
// Get the execution environment, not the native environment. // FIXME: Adapt to running version.
SYSTEM_INFO info; return LLVM_HOSTTRIPLE;
::GetSystemInfo(&info);
Twine ret;
switch (info.wProcessorArchitecture) {
// If we don't know what the processor architecture is, or it is not one
// we currently support, then we should fall back on something reasonable.
case PROCESSOR_ARCHITECTURE_IA64:
default: return LLVM_HOSTTRIPLE;
case PROCESSOR_ARCHITECTURE_INTEL:
// We need to figure out what kind of x86 it is (possible values are
// i386 through i986).
ret = Twine("i").concat(Twine(info.wProcessorLevel)).concat("86");
break;
case PROCESSOR_ARCHITECTURE_AMD64:
ret = "amd64";
break;
case PROCESSOR_ARCHITECTURE_MIPS:
ret = "mips";
break;
case PROCESSOR_ARCHITECTURE_ARM:
ret = "arm";
break;
case PROCESSOR_ARCHITECTURE_PPC:
ret = "ppc";
break;
case PROCESSOR_ARCHITECTURE_ALPHA:
ret = "alpha";
break;
}
// Since we're on Windows, we're always on pc-win32.
return ret.concat("-pc-win32").str();
} }