diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -125,6 +125,13 @@
     if (NumBytes == 0)
       NumBytes = 4;
     break;
+  case TargetOpcode::PATCHABLE_FUNCTION_ENTER:
+  case TargetOpcode::PATCHABLE_FUNCTION_EXIT:
+  case TargetOpcode::PATCHABLE_TAIL_CALL:
+    // These pseudo-instructions resolve to 32 bytes of padding at runtime;
+    // 4 bytes for a branch over 28 bytes of NOPs.
+    NumBytes = 32;
+    break;
   case AArch64::SPACE:
     NumBytes = MI.getOperand(1).getImm();
     break;
diff --git a/llvm/test/CodeGen/AArch64/xray-jump-table-compression.ll b/llvm/test/CodeGen/AArch64/xray-jump-table-compression.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/xray-jump-table-compression.ll
@@ -0,0 +1,127 @@
+; RUN: llc -O3 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s
+
+; jump table compression to incorrectly downsizes label offsets here if xray instructions aren't taken into account
+define dso_local noundef i32 @foo(i32 noundef %0) "function-instrument"="xray-always" {
+; CHECK-LABEL: foo:
+  %2 = alloca i32, align 4
+  switch i32 %0, label %3 [
+    i32 1, label %3
+    i32 2, label %4
+    i32 3, label %5
+    i32 4, label %6
+    i32 5, label %7
+    i32 6, label %8
+    i32 7, label %9
+    i32 8, label %10
+    i32 9, label %11
+    i32 10, label %12
+    i32 11, label %13
+    i32 12, label %14
+    i32 13, label %15
+    i32 14, label %16
+    i32 15, label %17
+    i32 16, label %18
+    i32 17, label %19
+    i32 18, label %20
+    i32 19, label %21
+    i32 20, label %22
+    i32 21, label %23
+    i32 22, label %24
+    i32 23, label %25
+  ]
+
+3:                                                ; preds = %1
+; CHECK-LABEL: LBB0_2:
+  store volatile i32 1, ptr %2, align 4
+  ret i32 333
+
+4:                                                ; preds = %1
+  store volatile i32 2, ptr %2, align 4
+  ret i32 333
+
+5:                                                ; preds = %1
+  store volatile i32 3, ptr %2, align 4
+  ret i32 333
+
+6:                                                ; preds = %1
+  store volatile i32 4, ptr %2, align 4
+  ret i32 333
+
+7:                                                ; preds = %1
+  store volatile i32 5, ptr %2, align 4
+  ret i32 333
+
+8:                                                ; preds = %1
+  store volatile i32 6, ptr %2, align 4
+  ret i32 333
+
+9:                                                ; preds = %1
+  store volatile i32 7, ptr %2, align 4
+  ret i32 333
+
+10:                                               ; preds = %1
+  store volatile i32 8, ptr %2, align 4
+  ret i32 333
+
+11:                                               ; preds = %1
+  store volatile i32 9, ptr %2, align 4
+  ret i32 333
+
+12:                                               ; preds = %1
+  store volatile i32 10, ptr %2, align 4
+  ret i32 333
+
+13:                                               ; preds = %1
+  store volatile i32 11, ptr %2, align 4
+  ret i32 333
+
+14:                                               ; preds = %1
+  store volatile i32 12, ptr %2, align 4
+  ret i32 333
+
+15:                                               ; preds = %1
+  store volatile i32 13, ptr %2, align 4
+  ret i32 333
+
+16:                                               ; preds = %1
+  store volatile i32 14, ptr %2, align 4
+  ret i32 333
+
+17:                                               ; preds = %1
+  store volatile i32 15, ptr %2, align 4
+  ret i32 333
+
+18:                                               ; preds = %1
+  store volatile i32 16, ptr %2, align 4
+  ret i32 333
+
+19:                                               ; preds = %1
+  store volatile i32 17, ptr %2, align 4
+  ret i32 333
+
+20:                                               ; preds = %1
+  store volatile i32 18, ptr %2, align 4
+  ret i32 333
+
+21:                                               ; preds = %1
+  store volatile i32 19, ptr %2, align 4
+  ret i32 333
+
+22:                                               ; preds = %1
+  store volatile i32 20, ptr %2, align 4
+  ret i32 333
+
+23:                                               ; preds = %1
+  store volatile i32 21, ptr %2, align 4
+  ret i32 333
+
+24:                                               ; preds = %1
+  store volatile i32 22, ptr %2, align 4
+  ret i32 333
+
+25:                                               ; preds = %1
+  store volatile i32 23, ptr %2, align 4
+  ret i32 333
+}
+
+; CHECK-NOT:  .byte  (.LBB0_2-.LBB0_2)>>2