[Support, ARM64] Define getHostCPUFeatures for Windows on ARM64 platform
Patch by Adam Kallai!
Differential Revision: https://reviews.llvm.org/D68139
llvm-svn: 373445
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 5509ec0..2a473a1 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -1512,6 +1512,17 @@
return true;
}
+#elif defined(_WIN32) && (defined(__aarch64__) || defined(_M_ARM64))
+bool sys::getHostCPUFeatures(StringMap<bool> &Features) {
+ if (IsProcessorFeaturePresent(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE))
+ Features["neon"] = true;
+ if (IsProcessorFeaturePresent(PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE))
+ Features["crc"] = true;
+ if (IsProcessorFeaturePresent(PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE))
+ Features["crypto"] = true;
+
+ return true;
+}
#else
bool sys::getHostCPUFeatures(StringMap<bool> &Features) { return false; }
#endif