[SYCL][NFC] Update tempfile test to only use driver output and FileCheck

Signed-off-by: Michael D Toguchi <[email protected]>

Author: mdtoguchi

clang/test/Driver/sycl-offload-tempfile.cpp

@@ -1,35 +1,12 @@
 // UNSUPPORTED: system-windows
-// 
-// Test to determine that temp file cleanup is working for fat static archives
-// creates a single file fat archive then uses that
-// RUN: rm -rf %t
-// RUN: mkdir %t
-// Build static library
-// RUN: %clang -DBUILD_B -fsycl -c -o %t_obj.o %s
-// RUN: ar cr %t_lib.a %t_obj.o
-// Build main object
-// RUN: %clang -DBUILD_A -fsycl -c -o %t_main.o %s
-// Build final binary, overriding output temp location
-// RUN: env TMPDIR=%t TEMP=%t TMP=%t                                     \
-// RUN: %clang -fsycl %t_main.o -foffload-static-lib=%t_lib.a
-// RUN: not ls %t/*
-#ifdef BUILD_A
-const int VAL = 10;
-extern int run_test_b(int);
-
-int run_test_a(int v) {
-  return v*4;
-}
-
-int main(int argc, char **argv) {
-  run_test_a(VAL);
-  run_test_b(VAL);
-  return 0;
-}
-#endif // BUILD_A
-#if BUILD_B
-int run_test_b(int v) {
-  return v*3;
-}
-#endif // BUILD_B
-
+// Test temp file cleanup
+// RUN: touch %t_obj.o
+// RUN: touch %t_lib.a
+// RUN: mkdir -p %t_dir
+// invoke the compiler overriding output temp location
+// RUN: env TMPDIR=%t_dir TEMP=%t_dir TMP=%t_dir                           \
+// RUN: %clang -target x86_64-unknown-linux-gnu -### -fsycl %t_obj.o -foffload-static-lib=%t_lib.a 2>&1 | \
+// RUN:       FileCheck -DDIRNAME=%t_dir --check-prefix=CHECK-TEMPFILE %s
+// RUN: not ls %t_dir/*
+// CHECK-TEMPFILE: clang-offload-bundler{{.*}} "-type=oo" "-targets=host-x86_64-unknown-linux-gnu,sycl-spir64-unknown-{{linux|windows}}-sycldevice" "-inputs=[[DIRNAME]]{{.*}}" "-outputs={{.*}},[[DIRNAME]]{{\/|\\}}[[OUTPUT3:.+\.txt]]" "-unbundle"
+// CHECK-TEMPFILE: llvm-link{{.*}} "@[[DIRNAME]]{{\/|\\}}[[OUTPUT3]]"