[SYCL] Add -only-needed for msan-pvc/cpu devicelib (#16980)

Signed-off-by: jinge90 <[email protected]>

Author: jinge90

clang/lib/Driver/ToolChains/SYCL.cpp

@@ -896,6 +896,8 @@ static llvm::SmallVector<StringRef, 16> SYCLDeviceLibList{
     "asan-cpu",
     "asan-dg2",
     "msan",
+    "msan-pvc",
+    "msan-cpu",
 #endif
     "imf",
     "imf-fp64",

clang/test/Driver/sycl-device-lib-old-model.cpp

@@ -368,13 +368,13 @@
 // RUN: --sysroot=%S/Inputs/SYCL -Xarch_device -fsanitize=memory -### 2>&1 | FileCheck %s -check-prefix=SYCL_DEVICE_LIB_MSAN_PVC
 // RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xs "-device 12.60.7" --no-offload-new-driver %s --sysroot=%S/Inputs/SYCL \
 // RUN: -Xarch_device -fsanitize=memory -### 2>&1 | FileCheck %s -check-prefix=SYCL_DEVICE_LIB_MSAN_PVC
-// SYCL_DEVICE_LIB_MSAN_PVC: llvm-link{{.*}} "{{.*}}libsycl-crt.bc"
+// SYCL_DEVICE_LIB_MSAN_PVC: llvm-link{{.*}} "-only-needed" "{{.*}}libsycl-crt.bc"
 // SYCL_DEVICE_LIB_MSAN_PVC-SAME: "{{.*}}libsycl-msan-pvc.bc"
 
 
 /// ###########################################################################
 /// test behavior of linking libsycl-msan-cpu for CPU target AOT compilation when msan flag is applied.
 // RUN: %clangxx -fsycl -fsycl-targets=spir64_x86_64 --no-offload-new-driver %s --sysroot=%S/Inputs/SYCL \
 // RUN: -Xarch_device -fsanitize=memory -### 2>&1 | FileCheck %s -check-prefix=SYCL_DEVICE_LIB_MSAN_CPU
-// SYCL_DEVICE_LIB_MSAN_CPU: llvm-link{{.*}} "{{.*}}libsycl-crt.bc"
+// SYCL_DEVICE_LIB_MSAN_CPU: llvm-link{{.*}} "-only-needed" "{{.*}}libsycl-crt.bc"
 // SYCL_DEVICE_LIB_MSAN_CPU-SAME: "{{.*}}libsycl-msan-cpu.bc"