Use getLastProfileSampleUseArg instead and remove -S in test.

Author: tianleliu

clang/lib/Driver/ToolChains/MSVC.cpp

@@ -233,7 +233,7 @@ void visualstudio::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   if (C.getDriver().isUsingLTO()) {
-    if (Arg *A = Args.getLastArg(options::OPT_fprofile_sample_use_EQ))
+    if (Arg *A = tools::getLastProfileSampleUseArg(Args))
       CmdArgs.push_back(Args.MakeArgString(std::string("-lto-sample-profile:") +
                                            A->getValue()));
   }

clang/test/Driver/cl-link.c

@@ -72,5 +72,5 @@
 // INFER-LLD: lld-link
 // INFER-LLD-NOT: INFERASANLIBS
 
-// RUN: %clang_cl --target=x86_64-unknown-windows-msvc -flto -fuse-ld=lld -### -S -fprofile-sample-use=%S/Inputs/file.prof %s 2>&1 | FileCheck -check-prefix=CHECK-SAMPLE-PROFILE %s
+// RUN: %clang_cl --target=x86_64-unknown-windows-msvc /Tc%s -flto -fuse-ld=lld -### -fprofile-sample-use=%S/Inputs/file.prof 2>&1 | FileCheck -check-prefix=CHECK-SAMPLE-PROFILE %s
 // CHECK-SAMPLE-PROFILE: "-lto-sample-profile:{{.*}}/file.prof"