[SYCL] Enable DAE explicitly for several tests (#575)

Until DAE is enabled by default in the compiler driver, make sure that
it works properly with the specialization constant/kernel bundle APIs.

Extend onto device code split tests

Tests intel/llvm#4977.

Signed-off-by: Artem Gindinson <[email protected]>

Author: Artem Gindinson

SYCL/DeviceCodeSplit/aot-accelerator.cpp

@@ -1,4 +1,5 @@
 // REQUIRES: aoc, accelerator
 
-// RUN: %clangxx -fsycl -fsycl-device-code-split=per_source -fsycl-targets=spir64_fpga -I %S/Inputs -o %t.out %S/split-per-source-main.cpp %S/Inputs/split-per-source-second-file.cpp
+// RUN: %clangxx -fsycl -fsycl-device-code-split=per_source -fsycl-targets=spir64_fpga -I %S/Inputs -o %t.out %S/split-per-source-main.cpp %S/Inputs/split-per-source-second-file.cpp \
+// RUN: -fsycl-dead-args-optimization
 // RUN: %ACC_RUN_PLACEHOLDER %t.out

SYCL/DeviceCodeSplit/aot-cpu.cpp

@@ -1,4 +1,5 @@
 // REQUIRES: opencl-aot, cpu
 
-// RUN: %clangxx -fsycl -fsycl-device-code-split=per_source -fsycl-targets=spir64_x86_64 -I %S/Inputs -o %t.out %S/split-per-source-main.cpp %S/Inputs/split-per-source-second-file.cpp
+// RUN: %clangxx -fsycl -fsycl-device-code-split=per_source -fsycl-targets=spir64_x86_64 -I %S/Inputs -o %t.out %S/split-per-source-main.cpp %S/Inputs/split-per-source-second-file.cpp \
+// RUN: -fsycl-dead-args-optimization
 // RUN: %CPU_RUN_PLACEHOLDER %t.out

SYCL/DeviceCodeSplit/aot-gpu.cpp

@@ -7,5 +7,6 @@
 // RUN:   -Xsycl-target-backend=spir64_gen \
 // RUN:   "-device *" -I %S/Inputs -o %t.out \
 // RUN:   %S/split-per-source-main.cpp \
-// RUN:   %S/Inputs/split-per-source-second-file.cpp
+// RUN:   %S/Inputs/split-per-source-second-file.cpp \
+// RUN:   -fsycl-dead-args-optimization
 // RUN: %GPU_RUN_PLACEHOLDER %t.out

SYCL/DeviceCodeSplit/split-per-kernel.cpp

@@ -1,4 +1,5 @@
-// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -fsycl-device-code-split=per_kernel -o %t.out %s
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -fsycl-device-code-split=per_kernel -o %t.out %s \
+// RUN: -fsycl-dead-args-optimization
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out

SYCL/DeviceCodeSplit/split-per-source-main.cpp

@@ -1,4 +1,5 @@
-// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -fsycl-device-code-split=per_source -I %S/Inputs -o %t.out %s %S/Inputs/split-per-source-second-file.cpp
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -fsycl-device-code-split=per_source -I %S/Inputs -o %t.out %s %S/Inputs/split-per-source-second-file.cpp \
+// RUN: -fsycl-dead-args-optimization
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out

SYCL/SpecConstants/2020/handler-api.cpp

@@ -7,7 +7,8 @@
 // - test that specialization constant values can be set within command group
 //   scope and correctly retrieved within a kernel
 //
-// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out \
+// RUN:          -fsycl-dead-args-optimization
 // FIXME: SYCL 2020 specialization constants are not supported on host device
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out

SYCL/SpecConstants/2020/host_apis.cpp

@@ -1,4 +1,5 @@
-// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out \
+// RUN:          -fsycl-dead-args-optimization
 // RUN: %t.out
 
 // UNSUPPORTED: cuda

SYCL/SpecConstants/2020/kernel-bundle-api.cpp

@@ -7,7 +7,8 @@
 // - test that specialization constant values can be set through kernel_bundle
 //   API and correctly retrieved within a kernel
 //
-// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out \
+// RUN:          -fsycl-dead-args-optimization
 // FIXME: SYCL 2020 specialization constants are not supported on host device
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out

SYCL/SpecConstants/2020/non_native/accelerator.cpp

@@ -1,6 +1,7 @@
 // REQUIRES: aoc, accelerator
 
-// RUN: %clangxx -fsycl -fsycl-targets=spir64_fpga %S/Inputs/common.cpp -o %t.out
+// RUN: %clangxx -fsycl -fsycl-targets=spir64_fpga %S/Inputs/common.cpp -o %t.out \
+// RUN:          -fsycl-dead-args-optimization
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 
 // This test checks correctness of SYCL2020 non-native specialization constants

SYCL/SpecConstants/2020/non_native/cpu.cpp

@@ -1,6 +1,7 @@
 // REQUIRES: opencl-aot, cpu
 
-// RUN: %clangxx -fsycl -fsycl-targets=spir64_x86_64 %S/Inputs/common.cpp -o %t.out
+// RUN: %clangxx -fsycl -fsycl-targets=spir64_x86_64 %S/Inputs/common.cpp -o %t.out \
+// RUN:          -fsycl-dead-args-optimization
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
 
 // This test checks correctness of SYCL2020 non-native specialization constants

SYCL/SpecConstants/2020/non_native/gpu.cpp

@@ -5,7 +5,7 @@
 // UNSUPPORTED: hip
 // HIP is not compatible with SPIR.
 
-// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend=spir64_gen "-device *" %S/Inputs/common.cpp -o %t.out
+// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend=spir64_gen "-device *" %S/Inputs/common.cpp -o %t.out -fsycl-dead-args-optimization
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 
 // This test checks correctness of SYCL2020 non-native specialization constants