diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 10a0ccdcb023290e52f8f0a4c33b032580995965..e615fa09608c56194440176a9b1297576bac4950 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -2947,6 +2947,11 @@ static bool isX87Reg(unsigned Reg) {
 
 /// check if the instruction is X87 instruction
 bool X86::isX87Instruction(MachineInstr &MI) {
+  // Call and inlineasm defs X87 register, so we special case it here because
+  // otherwise calls are incorrectly flagged as x87 instructions
+  // as a result.
+  if (MI.isInlineAsm())
+    return false;
   for (const MachineOperand &MO : MI.operands()) {
     if (!MO.isReg())
       continue;