clang/test/CIR/CodeGenHIP/simple.cpp

#include "../CodeGenCUDA/Inputs/cuda.h"

// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir \
// RUN:            -x hip -fhip-new-launch-api \
// RUN:            -I%S/../CodeGenCUDA/Inputs/ -emit-cir %s -o %t.cir
// RUN: FileCheck --check-prefix=CIR-HOST --input-file=%t.cir %s

// RUN: %clang_cc1 -triple=amdgcn-amd-amdhsa -x hip -fclangir \
// RUN:            -fcuda-is-device -fhip-new-launch-api \
// RUN:            -I%S/../CodeGenCUDA/Inputs/ -emit-cir %s -o %t.cir
// RUN: FileCheck --check-prefix=CIR-DEVICE --input-file=%t.cir %s

// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu  \
// RUN:            -x  hip -emit-llvm -fhip-new-launch-api \
// RUN:            -I%S/../CodeGenCUDA/Inputs/ %s -o %t.ll
// RUN: FileCheck --check-prefix=OGCG-HOST --input-file=%t.ll %s

// RUN: %clang_cc1 -triple=amdgcn-amd-amdhsa -x hip \
// RUN:            -fcuda-is-device -fhip-new-launch-api \
// RUN:            -fvisibility=hidden                      \
// RUN:            -I%S/../CodeGenCUDA/Inputs/ -emit-llvm %s -o %t.ll
// RUN: FileCheck --check-prefix=OGCG-DEVICE --input-file=%t.ll %s

// Per Thread Stream test cases:

// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu  \
// RUN:            -fgpu-default-stream=per-thread -DHIP_API_PER_THREAD_DEFAULT_STREAM \
// RUN:            -x  hip -emit-llvm -fhip-new-launch-api \
// RUN:            -I%S/../CodeGenCUDA/Inputs/ %s -o %t.ll
// RUN: FileCheck --check-prefix=OGCG-HOST-PTH --input-file=%t.ll %s


__host__ void host_fn(int *a, int *b, int *c) {}
// CIR-HOST: cir.func {{.*}}{{.*}} @_Z7host_fnPiS_S_
// CIR-DEVICE-NOT: cir.func {{.*}}{{.*}} @_Z7host_fnPiS_S_

__device__ void device_fn(int* a, double b, float c) {}
// CIR-HOST-NOT: cir.func {{.*}}{{.*}} @_Z9device_fnPidf
// CIR-DEVICE: cir.func {{.*}}{{.*}} @_Z9device_fnPidf

__global__ void global_fn(int a) {}
// CIR-DEVICE: cir.func {{.*}}{{.*}} @_Z9global_fni
// OGCG-DEVICE: define protected amdgpu_kernel void @_Z9global_fni

// CIR-HOST: @_Z24__device_stub__global_fni{{.*}}attributes {{{.*}}cu.kernel_name = #cir.cu.kernel_name<"_Z9global_fni">{{.*}}}
// CIR-HOST: %[[#CIRKernelArgs:]] = cir.alloca {{.*}}"kernel_args"
// CIR-HOST: %[[#Decayed:]] = cir.cast array_to_ptrdecay %[[#CIRKernelArgs]]
// CIR-HOST: cir.call @__hipPopCallConfiguration
// CIR-HOST: cir.get_global @_Z9global_fni : !cir.ptr<!cir.func<(!s32i)>>
// CIR-HOST: cir.call @hipLaunchKernel

// OGCG-HOST: define dso_local void @_Z24__device_stub__global_fni
// OGCG-HOST: %kernel_args = alloca ptr, i64 1, align 16
// OGCG-HOST: getelementptr ptr, ptr %kernel_args, i32 0
// OGCG-HOST: call i32 @__hipPopCallConfiguration
// OGCG-HOST: %call = call noundef i32 @hipLaunchKernel(ptr noundef @_Z9global_fni
// OGCG-HOST-PTH: %call = call noundef i32 @hipLaunchKernel_spt(ptr noundef @_Z9global_fni


int main() {
  global_fn<<<1, 1>>>(1);
}
// CIR-DEVICE-NOT: cir.func {{.*}}{{.*}} @main()

// CIR-HOST: cir.func {{.*}}{{.*}} @main()
// CIR-HOST: cir.call @_ZN4dim3C1Ejjj
// CIR-HOST: cir.call @_ZN4dim3C1Ejjj
// CIR-HOST: [[Push:%[0-9]+]] = cir.call @__hipPushCallConfiguration
// CIR-HOST: [[ConfigOK:%[0-9]+]] = cir.cast int_to_bool [[Push]]
// CIR-HOST: cir.if [[ConfigOK]] {
// CIR-HOST: } else {
// CIR-HOST:   [[Arg:%[0-9]+]] = cir.const #cir.int<1>
// CIR-HOST:   cir.call @_Z24__device_stub__global_fni([[Arg]])
// CIR-HOST: }

// OGCG-HOST:  define dso_local noundef i32 @main
// OGCG-HOST:  %agg.tmp = alloca %struct.dim3, align 4
// OGCG-HOST:  %agg.tmp1 = alloca %struct.dim3, align 4
// OGCG-HOST:  call void @_ZN4dim3C1Ejjj
// OGCG-HOST:  call void @_ZN4dim3C1Ejjj
// OGCG-HOST:  %call = call i32 @__hipPushCallConfiguration
// OGCG-HOST:  %tobool = icmp ne i32 %call, 0
// OGCG-HOST:  br i1 %tobool, label %kcall.end, label %kcall.configok
// OGCG-HOST: kcall.configok:
// OGCG-HOST:  call void @_Z24__device_stub__global_fni(i32 noundef 1)
// OGCG-HOST:  br label %kcall.end
// OGCG-HOST: kcall.end:
// OGCG-HOST:  %{{[0-9]+}} = load i32, ptr %retval, align 4
// OGCG-HOST:  ret i32 %8