Use abstraction in AArch64AsmPrinter::lowerSTACKMAP. NFCI

Use functionality from StackMapOpers instead of hardcoding an operand access.

llvm-svn: 280230

diff --git a/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp b/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
index 0c923e8..cd6694d 100644 (file)
--- a/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
+++ b/llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
@@ -354,7 +354,7 @@ void AArch64AsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
 
 void AArch64AsmPrinter::LowerSTACKMAP(MCStreamer &OutStreamer, StackMaps &SM,
                                       const MachineInstr &MI) {
-  unsigned NumNOPBytes = MI.getOperand(1).getImm();
+  unsigned NumNOPBytes = StackMapOpers(&MI).getNumPatchBytes();
 
   SM.recordStackMap(MI);
   assert(NumNOPBytes % 4 == 0 && "Invalid number of NOP bytes requested!");