[HIP] Fix -fgpu-allow-device-init option

The option needs to be passed to both host and device compilation.

Differential Revision: https://reviews.llvm.org/D88550

Author: yxsamliu

clang/lib/Driver/ToolChains/Clang.cpp

@@ -5476,9 +5476,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   // Forward -cl options to -cc1
   RenderOpenCLOptions(Args, CmdArgs);
 
-  if (IsHIP && Args.hasFlag(options::OPT_fhip_new_launch_api,
-                            options::OPT_fno_hip_new_launch_api, true))
-    CmdArgs.push_back("-fhip-new-launch-api");
+  if (IsHIP) {
+    if (Args.hasFlag(options::OPT_fhip_new_launch_api,
+                     options::OPT_fno_hip_new_launch_api, true))
+      CmdArgs.push_back("-fhip-new-launch-api");
+    if (Args.hasFlag(options::OPT_fgpu_allow_device_init,
+                     options::OPT_fno_gpu_allow_device_init, false))
+      CmdArgs.push_back("-fgpu-allow-device-init");
+  }
 
   if (Arg *A = Args.getLastArg(options::OPT_fcf_protection_EQ)) {
     CmdArgs.push_back(

clang/lib/Driver/ToolChains/HIP.cpp

@@ -268,10 +268,6 @@ void HIPToolChain::addClangTargetOptions(
     CC1Args.push_back(DriverArgs.MakeArgStringRef(ArgStr));
   }
 
-  if (DriverArgs.hasFlag(options::OPT_fgpu_allow_device_init,
-                         options::OPT_fno_gpu_allow_device_init, false))
-    CC1Args.push_back("-fgpu-allow-device-init");
-
   CC1Args.push_back("-fcuda-allow-variadic-functions");
 
   // Default to "hidden" visibility, as object level linking will not be

clang/test/Driver/hip-options.hip

@@ -9,6 +9,11 @@
 // CHECK: clang{{.*}}" "-cc1" {{.*}} "-fcuda-is-device"
 // CHECK-SAME: "--gpu-max-threads-per-block=1024"
 
+// RUN: %clang -### -nogpuinc -nogpulib -fgpu-allow-device-init \
+// RUN:   %s 2>&1 | FileCheck -check-prefix=DEVINIT %s
+// DEVINIT: clang{{.*}}" "-cc1" {{.*}}"-fgpu-allow-device-init"
+// DEVINIT: clang{{.*}}" "-cc1" {{.*}}"-fgpu-allow-device-init"
+
 // RUN: %clang -### -x hip -target x86_64-pc-windows-msvc -fms-extensions \
 // RUN:   -mllvm -amdgpu-early-inline-all=true  %s 2>&1 | \
 // RUN:   FileCheck -check-prefix=MLLVM %s