================
@@ -0,0 +1,35 @@
+// End-to-end test for DYLD_INSERT_LIBRARIES injection.
+// Compiles a binary with XRay instrumentation but without the runtime linked,
+// then injects the XRay runtime dylib to discover and patch the sleds.
+
+// Build a dylib containing the XRay runtime:
+// RUN: %clang -shared -o %t.xray-rt.dylib \
+// RUN: -Wl,-force_load,%xray_rt_path \
+// RUN: -lc++
+
+// Build target binary with XRay sleds but without XRay runtime:
+// RUN: %clangxx -fxray-instrument -fxray-instruction-threshold=1
-fno-xray-link-deps \
+// RUN: %s -o %t.target
+
+// Inject and run — XRay should discover sleds in the host binary:
+// RUN: env DYLD_INSERT_LIBRARIES=%t.xray-rt.dylib \
+// RUN: XRAY_OPTIONS="patch_premain=true verbosity=1" \
+// RUN: %run %t.target 2>&1 | FileCheck %s
+
+// REQUIRES: target={{(arm64|x86_64)-apple-.*}}
+
+// CHECK: Registering {{[0-9]+}} new functions
----------------
DanBlackwell wrote:
Could this print `Registering 0 new functions`?
https://github.com/llvm/llvm-project/pull/196848
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