[GISel][KnownBits] Suppress unused warning on the dump method
NFC
diff --git a/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp b/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
index 695b661..a2b2513 100644
--- a/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
@@ -88,8 +88,8 @@
APInt GISelKnownBits::getKnownOnes(Register R) { return getKnownBits(R).One; }
-static void dumpResult(const MachineInstr &MI, const KnownBits &Known,
- unsigned Depth) {
+LLVM_ATTRIBUTE_UNUSED static void
+dumpResult(const MachineInstr &MI, const KnownBits &Known, unsigned Depth) {
dbgs() << "[" << Depth << "] Compute known bits: " << MI << "[" << Depth
<< "] Computed for: " << MI << "[" << Depth << "] Known: 0x"
<< (Known.Zero | Known.One).toString(16, false) << "\n"