diff --git a/llvm/include/llvm/DebugInfo/CodeView/CodeViewRegisters.def b/llvm/include/llvm/DebugInfo/CodeView/CodeViewRegisters.def
index ee8131359aac7..ed5c143818e6b 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/CodeViewRegisters.def
+++ b/llvm/include/llvm/DebugInfo/CodeView/CodeViewRegisters.def
@@ -489,6 +489,11 @@ CV_REGISTER(ARM_NQ15, 415)
 
 #if defined(CV_REGISTERS_ALL) || defined(CV_REGISTERS_ARM64)
 
+// arm64intr.h from MSVC defines ARM64_FPSR, which conflicts with
+// these declarations.
+#pragma push_macro("ARM64_FPSR")
+#undef ARM64_FPSR
+
 // ARM64 registers
 
 CV_REGISTER(ARM64_NOREG, 0)
@@ -677,4 +682,6 @@ CV_REGISTER(ARM64_Q31, 211)
 
 CV_REGISTER(ARM64_FPSR, 220)
 
+#pragma pop_macro("ARM64_FPSR")
+
 #endif // defined(CV_REGISTERS_ALL) || defined(CV_REGISTERS_ARM64)