removed FileCheck dependency & significantly improved test coverage

test/CMakeLists.txt

@@ -16,7 +16,7 @@ configure_file(
 add_lit_testsuite(check-hipify "Running HIPify regression tests"
   ${CMAKE_CURRENT_SOURCE_DIR}
   PARAMS site_config=${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
-  DEPENDS hipify FileCheck lit
+  DEPENDS hipify lit
   )
 
 add_custom_target(check)

test/axpy.cu

@@ -1,10 +1,9 @@
 // RUN: hipify "%s" -o=%t --
-// RUN: FileCheck %s -input-file=%t --match-full-lines
 
 #include <iostream>
 
 __global__ void axpy(float a, float* x, float* y) {
-  // CHECK: y[hipThreadIdx_x] = a * x[hipThreadIdx_x];
+  // RUN: sh -c "test `grep -c -F 'y[hipThreadIdx_x] = a * x[hipThreadIdx_x];' %t` -eq 2"
   y[threadIdx.x] = a * x[threadIdx.x];
 }
 
@@ -18,16 +17,21 @@ int main(int argc, char* argv[]) {
   // Copy input data to device.
   float* device_x;
   float* device_y;
+  // RUN: sh -c "test `grep -c -F 'hipMalloc(&device_x, kDataLen * sizeof(float));' %t` -eq 2"
   cudaMalloc(&device_x, kDataLen * sizeof(float));
+  // RUN: sh -c "test `grep -c -F 'hipMalloc(&device_y, kDataLen * sizeof(float));' %t` -eq 2"
   cudaMalloc(&device_y, kDataLen * sizeof(float));
+  // RUN: sh -c "test `grep -c -F 'hipMemcpy(device_x, host_x, kDataLen * sizeof(float), hipMemcpyHostToDevice);' %t` -eq 2"
   cudaMemcpy(device_x, host_x, kDataLen * sizeof(float), cudaMemcpyHostToDevice);
 
   // Launch the kernel.
-  // CHECK: hipLaunchKernel(HIP_KERNEL_NAME(axpy), dim3(1), dim3(kDataLen), 0, 0, a, device_x, device_y);
+  // RUN: sh -c "test `grep -c -F 'hipLaunchKernel(HIP_KERNEL_NAME(axpy), dim3(1), dim3(kDataLen), 0, 0, a, device_x, device_y);' %t` -eq 2"
   axpy<<<1, kDataLen>>>(a, device_x, device_y);
 
   // Copy output data to host.
+  // RUN: sh -c "test `grep -c -F 'hipDeviceSynchronize();' %t` -eq 2"
   cudaDeviceSynchronize();
+  // RUN: sh -c "test `grep -c -F 'hipMemcpy(host_y, device_y, kDataLen * sizeof(float), hipMemcpyDeviceToHost);' %t` -eq 2"
   cudaMemcpy(host_y, device_y, kDataLen * sizeof(float), cudaMemcpyDeviceToHost);
 
   // Print the results.
@@ -35,6 +39,7 @@ int main(int argc, char* argv[]) {
     std::cout << "y[" << i << "] = " << host_y[i] << "\n";
   }
 
+  // RUN: sh -c "test `grep -c -F 'hipDeviceReset();' %t` -eq 2"
   cudaDeviceReset();
   return 0;
 }

test/lit.cfg

@@ -44,12 +44,5 @@ if obj_root is not None:
     path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
     config.environment['PATH'] = path
 
-tool_name = "FileCheck"
-tool_path = lit.util.which(tool_name, llvm_tools_dir)
-if not tool_path:
-    # Warn, but still provide a substitution.
-    lit_config.note('Did not find ' + tool_name + ' in ' + llvm_tools_dir)
-    tool_path = llvm_tools_dir + '/' + tool_name
-config.substitutions.append((tool_name, tool_path))
 config.substitutions.append(("hipify", obj_root+"/hipify"))