From: Jon Roelofs <jonathan_roelofs@apple.com>
Date: Mon, 12 Jul 2021 22:36:36 +0000 (-0700)
Subject: [AArch64] Dump a little more info about unimplemented reg-to-reg copies. NFC
X-Git-Tag: llvmorg-14-init~1688
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6611fbc62af59a1d28a9f310d2e95267911d4385;p=platform%2Fupstream%2Fllvm.git

[AArch64] Dump a little more info about unimplemented reg-to-reg copies. NFC
---

diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
index e1f1c07..b03d421 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -3621,6 +3621,11 @@ void AArch64InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
     return;
   }
 
+#ifndef NDEBUG
+  const TargetRegisterInfo &TRI = getRegisterInfo();
+  errs() << TRI.getRegAsmName(DestReg) << " = COPY "
+         << TRI.getRegAsmName(SrcReg) << "\n";
+#endif
   llvm_unreachable("unimplemented reg-to-reg copy");
 }