[PATCH] D69597: Implement `sys::getHostCPUName()` for Darwin ARM

[Chris Bieneman via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG34688fafea81: Implement `sys::getHostCPUName()` for Darwin ARM (authored by beanz).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69597/new/

https://reviews.llvm.org/D69597

Files:
  llvm/lib/Support/Host.cpp


Index: llvm/lib/Support/Host.cpp
===================================================================
--- llvm/lib/Support/Host.cpp
+++ llvm/lib/Support/Host.cpp
@@ -35,7 +35,7 @@
 #ifdef _MSC_VER
 #include <intrin.h>
 #endif
-#if defined(__APPLE__) && (defined(__ppc__) || defined(__powerpc__))
+#if defined(__APPLE__) && (!defined(__x86_64__))
 #include <mach/host_info.h>
 #include <mach/mach.h>
 #include <mach/mach_host.h>
@@ -1220,6 +1220,33 @@
   StringRef Content = P ? P->getBuffer() : "";
   return detail::getHostCPUNameForS390x(Content);
 }
+#elif defined(__APPLE__) && defined(__aarch64__)
+StringRef sys::getHostCPUName() {
+  return "cyclone";
+}
+#elif defined(__APPLE__) && defined(__arm__)
+StringRef sys::getHostCPUName() {
+  host_basic_info_data_t hostInfo;
+  mach_msg_type_number_t infoCount;
+
+  infoCount = HOST_BASIC_INFO_COUNT;
+  mach_port_t hostPort = mach_host_self();
+  host_info(hostPort, HOST_BASIC_INFO, (host_info_t)&hostInfo,
+            &infoCount);
+  mach_port_deallocate(mach_task_self(), hostPort);
+
+  if (hostInfo.cpu_type != CPU_TYPE_ARM) {
+    assert(false && "CPUType not equal to ARM should not be possible on ARM");
+    return "generic";
+  }
+  switch (hostInfo.cpu_subtype) {
+    case CPU_SUBTYPE_ARM_V7S:
+      return "swift";
+    default:;
+    }
+  
+  return "generic";
+}
 #else
 StringRef sys::getHostCPUName() { return "generic"; }
 #endif


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