maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/clang/test/OpenMP/nvptx_target_teams_codegen.cpp

227 lines
9.1 KiB
C++
Raw Blame History

// Test target codegen - host bc file has to be created first.
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
// RUN: %clang_cc1 -verify -fopenmp -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
// Check that the execution mode of all 2 target regions is set to Generic Mode.
// CHECK-DAG: {{@__omp_offloading_.+l26}}_exec_mode = weak constant i8 1
// CHECK-DAG: {{@__omp_offloading_.+l31}}_exec_mode = weak constant i8 1
template<typename tx>
tx ftemplate(int n) {
tx a = 0;
short aa = 0;
tx b[10];
#pragma omp target teams if(0)
{
b[2] += 1;
}
#pragma omp target teams if(1)
{
a = '1';
}
#pragma omp target teams if(n>40)
{
aa = 1;
}
return a;
}
int bar(int n){
int a = 0;
a += ftemplate<char>(n);
return a;
}
// CHECK-NOT: define {{.*}}void {{@__omp_offloading_.+template.+l21}}_worker()
// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l26}}_worker()
// CHECK-DAG: [[OMP_EXEC_STATUS:%.+]] = alloca i8,
// CHECK-DAG: [[OMP_WORK_FN:%.+]] = alloca i8*,
// CHECK: store i8* null, i8** [[OMP_WORK_FN]],
// CHECK: store i8 0, i8* [[OMP_EXEC_STATUS]],
// CHECK: br label {{%?}}[[AWAIT_WORK:.+]]
//
// CHECK: [[AWAIT_WORK]]
// CHECK: call void @llvm.nvvm.barrier0()
// CHECK: [[KPR:%.+]] = call i1 @__kmpc_kernel_parallel(i8** [[OMP_WORK_FN]], i8*** %shared_args, i16 1)
// CHECK: [[KPRB:%.+]] = zext i1 [[KPR]] to i8
// store i8 [[KPRB]], i8* [[OMP_EXEC_STATUS]], align 1
// CHECK: [[WORK:%.+]] = load i8*, i8** [[OMP_WORK_FN]],
// CHECK: [[SHOULD_EXIT:%.+]] = icmp eq i8* [[WORK]], null
// CHECK: br i1 [[SHOULD_EXIT]], label {{%?}}[[EXIT:.+]], label {{%?}}[[SEL_WORKERS:.+]]
//
// CHECK: [[SEL_WORKERS]]
// CHECK: [[ST:%.+]] = load i8, i8* [[OMP_EXEC_STATUS]]
// CHECK: [[IS_ACTIVE:%.+]] = icmp ne i8 [[ST]], 0
// CHECK: br i1 [[IS_ACTIVE]], label {{%?}}[[EXEC_PARALLEL:.+]], label {{%?}}[[BAR_PARALLEL:.+]]
//
// CHECK: [[EXEC_PARALLEL]]
// CHECK: br label {{%?}}[[TERM_PARALLEL:.+]]
//
// CHECK: [[TERM_PARALLEL]]
// CHECK: call void @__kmpc_kernel_end_parallel()
// CHECK: br label {{%?}}[[BAR_PARALLEL]]
//
// CHECK: [[BAR_PARALLEL]]
// CHECK: call void @llvm.nvvm.barrier0()
// CHECK: br label {{%?}}[[AWAIT_WORK]]
//
// CHECK: [[EXIT]]
// CHECK: ret void
// CHECK: define {{.*}}void [[T1:@__omp_offloading_.+template.+l26]](i[[SZ:32|64]] [[A:%[^)]+]])
// CHECK: store i[[SZ]] [[A]], i[[SZ]]* [[A_ADDR:%.+]], align
// CHECK: [[CONV:%.+]] = bitcast i[[SZ]]* [[A_ADDR]] to i8*
// CHECK-DAG: [[TID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
// CHECK-DAG: [[NTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
// CHECK-DAG: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
// CHECK-DAG: [[TH_LIMIT:%.+]] = sub i32 [[NTH]], [[WS]]
// CHECK: [[IS_WORKER:%.+]] = icmp ult i32 [[TID]], [[TH_LIMIT]]
// CHECK: br i1 [[IS_WORKER]], label {{%?}}[[WORKER:.+]], label {{%?}}[[CHECK_MASTER:.+]]
//
// CHECK: [[WORKER]]
// CHECK: {{call|invoke}} void [[T1]]_worker()
// CHECK: br label {{%?}}[[EXIT:.+]]
//
// CHECK: [[CHECK_MASTER]]
// CHECK-DAG: [[CMTID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
// CHECK-DAG: [[CMNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
// CHECK-DAG: [[CMWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
// CHECK: [[IS_MASTER:%.+]] = icmp eq i32 [[CMTID]],
// CHECK: br i1 [[IS_MASTER]], label {{%?}}[[MASTER:.+]], label {{%?}}[[EXIT]]
//
// CHECK: [[MASTER]]
// CHECK-DAG: [[MNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
// CHECK-DAG: [[MWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
// CHECK: [[MTMP1:%.+]] = sub i32 [[MNTH]], [[MWS]]
// CHECK: call void @__kmpc_kernel_init(i32 [[MTMP1]]
//
// CHECK-NOT: kmpc_fork_teams
// CHECK: [[A_VAL:%.+]] = load i8, i8* [[CONV]], align
// CHECK: [[ACP:%.+]] = bitcast i[[SZ]]* [[AC:%.+]] to i8*
// CHECK: store i8 [[A_VAL]], i8* [[ACP]], align
// CHECK: [[ACV:%.+]] = load i[[SZ]], i[[SZ]]* [[AC]], align
// CHECK: store i[[SZ]] [[ACV]], i[[SZ]]* [[A_ADDR_T:%.+]], align
// CHECK: [[CONV2:%.+]] = bitcast i[[SZ]]* [[A_ADDR_T]] to i8*
// CHECK: [[LD_CONV2:%.+]] = load i8, i8* [[CONV2]],
// CHECK: store i8 [[LD_CONV2]], i8* [[A_PRIV:%[^,]+]],
// CHECK: store i8 49, i8* [[A_PRIV]], align
// CHECK: br label {{%?}}[[TERMINATE:.+]]
//
// CHECK: [[TERMINATE]]
// CHECK: call void @__kmpc_kernel_deinit(
// CHECK: call void @llvm.nvvm.barrier0()
// CHECK: br label {{%?}}[[EXIT]]
//
// CHECK: [[EXIT]]
// CHECK: ret void
// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l31}}_worker()
// CHECK-DAG: [[OMP_EXEC_STATUS:%.+]] = alloca i8,
// CHECK-DAG: [[OMP_WORK_FN:%.+]] = alloca i8*,
// CHECK: store i8* null, i8** [[OMP_WORK_FN]],
// CHECK: store i8 0, i8* [[OMP_EXEC_STATUS]],
// CHECK: br label {{%?}}[[AWAIT_WORK:.+]]
//
// CHECK: [[AWAIT_WORK]]
// CHECK: call void @llvm.nvvm.barrier0()
// CHECK: [[KPR:%.+]] = call i1 @__kmpc_kernel_parallel(i8** [[OMP_WORK_FN]], i8*** %shared_args, i16 1)
// CHECK: [[KPRB:%.+]] = zext i1 [[KPR]] to i8
// store i8 [[KPRB]], i8* [[OMP_EXEC_STATUS]], align 1
// CHECK: [[WORK:%.+]] = load i8*, i8** [[OMP_WORK_FN]],
// CHECK: [[SHOULD_EXIT:%.+]] = icmp eq i8* [[WORK]], null
// CHECK: br i1 [[SHOULD_EXIT]], label {{%?}}[[EXIT:.+]], label {{%?}}[[SEL_WORKERS:.+]]
//
// CHECK: [[SEL_WORKERS]]
// CHECK: [[ST:%.+]] = load i8, i8* [[OMP_EXEC_STATUS]]
// CHECK: [[IS_ACTIVE:%.+]] = icmp ne i8 [[ST]], 0
// CHECK: br i1 [[IS_ACTIVE]], label {{%?}}[[EXEC_PARALLEL:.+]], label {{%?}}[[BAR_PARALLEL:.+]]
//
// CHECK: [[EXEC_PARALLEL]]
// CHECK: br label {{%?}}[[TERM_PARALLEL:.+]]
//
// CHECK: [[TERM_PARALLEL]]
// CHECK: call void @__kmpc_kernel_end_parallel()
// CHECK: br label {{%?}}[[BAR_PARALLEL]]
//
// CHECK: [[BAR_PARALLEL]]
// CHECK: call void @llvm.nvvm.barrier0()
// CHECK: br label {{%?}}[[AWAIT_WORK]]
//
// CHECK: [[EXIT]]
// CHECK: ret void
// CHECK: define {{.*}}void [[T2:@__omp_offloading_.+template.+l31]](i[[SZ:32|64]] [[AA:%[^)]+]])
// CHECK: store i[[SZ]] [[AA]], i[[SZ]]* [[AA_ADDR:%.+]], align
// CHECK: [[CONV:%.+]] = bitcast i[[SZ]]* [[AA_ADDR]] to i16*
// CHECK-DAG: [[TID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
// CHECK-DAG: [[NTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
// CHECK-DAG: [[WS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
// CHECK-DAG: [[TH_LIMIT:%.+]] = sub i32 [[NTH]], [[WS]]
// CHECK: [[IS_WORKER:%.+]] = icmp ult i32 [[TID]], [[TH_LIMIT]]
// CHECK: br i1 [[IS_WORKER]], label {{%?}}[[WORKER:.+]], label {{%?}}[[CHECK_MASTER:.+]]
//
// CHECK: [[WORKER]]
// CHECK: {{call|invoke}} void [[T2]]_worker()
// CHECK: br label {{%?}}[[EXIT:.+]]
//
// CHECK: [[CHECK_MASTER]]
// CHECK-DAG: [[CMTID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
// CHECK-DAG: [[CMNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
// CHECK-DAG: [[CMWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
// CHECK: [[IS_MASTER:%.+]] = icmp eq i32 [[CMTID]],
// CHECK: br i1 [[IS_MASTER]], label {{%?}}[[MASTER:.+]], label {{%?}}[[EXIT]]
//
// CHECK: [[MASTER]]
// CHECK-DAG: [[MNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
// CHECK-DAG: [[MWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
// CHECK: [[MTMP1:%.+]] = sub i32 [[MNTH]], [[MWS]]
// CHECK: call void @__kmpc_kernel_init(i32 [[MTMP1]]
//
// CHECK-NOT: kmpc_fork_teams
// CHECK: [[AA_VAL:%.+]] = load i16, i16* [[CONV]], align
// CHECK: [[ACP:%.+]] = bitcast i[[SZ]]* [[AC:%.+]] to i16*
// CHECK: store i16 [[AA_VAL]], i16* [[ACP]], align
// CHECK: [[ACV:%.+]] = load i[[SZ]], i[[SZ]]* [[AC]], align
// CHECK: store i[[SZ]] [[ACV]], i[[SZ]]* [[AA_ADDR_T:%.+]], align
// CHECK: [[CONV2:%.+]] = bitcast i[[SZ]]* [[AA_ADDR_T]] to i16*
// CHECK: [[LD_CONV2:%.+]] = load i16, i16* [[CONV2]],
// CHECK: store i16 [[LD_CONV2]], i16* [[A_PRIV:%[^,]+]],
// CHECK: store i16 1, i16* [[A_PRIV]], align
// CHECK: br label {{%?}}[[TERMINATE:.+]]
//
// CHECK: [[TERMINATE]]
// CHECK: call void @__kmpc_kernel_deinit(
// CHECK: call void @llvm.nvvm.barrier0()
// CHECK: br label {{%?}}[[EXIT]]
//
// CHECK: [[EXIT]]
// CHECK: ret void
#endif
Reference in New Issue View Git Blame Copy Permalink