diff options
Diffstat (limited to 'llvm/lib/Support')
| -rw-r--r-- | llvm/lib/Support/Host.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp index a02a4ab6807..689e05093fe 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -22,7 +22,6 @@ #include "llvm/Support/raw_ostream.h" #include <string.h> #include <assert.h> -#include <cpuid.h> // Include the platform-specific parts of this class. #ifdef LLVM_ON_UNIX @@ -74,6 +73,10 @@ static ssize_t LLVM_ATTRIBUTE_UNUSED readCpuInfo(void *Buf, size_t Size) { #if defined(__i386__) || defined(_M_IX86) || \ defined(__x86_64__) || defined(_M_X64) +#if defined(__GNUC__) || defined(__clang__) +#include <cpuid.h> +#endif + enum VendorSignatures { SIG_INTEL = 0x756e6547 /* Genu */, SIG_AMD = 0x68747541 /* Auth */ @@ -741,11 +744,13 @@ StringRef sys::getHostCPUName() { unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0; unsigned MaxLeaf, Vendor; +#if defined(__GNUC__) || defined(__clang__) //FIXME: include cpuid.h from clang or copy __get_cpuid_max here // and simplify it to not invoke __cpuid (like cpu_model.c in // compiler-rt/lib/builtins/cpu_model.c? if(!__get_cpuid_max(0, &Vendor)) return "generic"; +#endif if (getX86CpuIDAndInfo(0, &MaxLeaf, &Vendor, &ECX, &EDX)) return "generic"; if (getX86CpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX)) |
