1 // Test target codegen - host bc file has to be created first.
2 // 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
3 // 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
4 // 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
5 // 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
6 // expected-no-diagnostics
7 extern int printf(const char *, ...);
9 // Check a simple call to printf end-to-end.
10 // CHECK: [[SIMPLE_PRINTF_TY:%[a-zA-Z0-9_]+]] = type { i32, i64, double }
12 // CHECK: define {{.*}}void [[T1:@__omp_offloading_.+CheckSimple.+]]_worker()
16 // CHECK: define {{.*}}void [[T1]]()
17 // Alloca in entry block.
18 // CHECK: [[BUF:%[a-zA-Z0-9_]+]] = alloca [[SIMPLE_PRINTF_TY]]
20 // CHECK: {{call|invoke}} void [[T1]]_worker()
21 // CHECK: br label {{%?}}[[EXIT:.+]]
23 // CHECK-DAG: [[CMTID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
24 // CHECK-DAG: [[CMNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
25 // CHECK-DAG: [[CMWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
26 // CHECK: [[IS_MASTER:%.+]] = icmp eq i32 [[CMTID]],
27 // CHECK: br i1 [[IS_MASTER]], label {{%?}}[[MASTER:.+]], label {{%?}}[[EXIT]]
30 // CHECK-DAG: [[MNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
31 // CHECK-DAG: [[MWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
32 // CHECK: [[MTMP1:%.+]] = sub nuw i32 [[MNTH]], [[MWS]]
33 // CHECK: call void @__kmpc_kernel_init(i32 [[MTMP1]]
35 // printf in master-only basic block.
36 // CHECK: [[FMT:%[0-9]+]] = load{{.*}}%fmt
37 const char* fmt = "%d %lld %f";
38 // CHECK: [[PTR0:%[0-9]+]] = getelementptr inbounds [[SIMPLE_PRINTF_TY]], [[SIMPLE_PRINTF_TY]]* [[BUF]], i32 0, i32 0
39 // CHECK: store i32 1, i32* [[PTR0]], align 4
40 // CHECK: [[PTR1:%[0-9]+]] = getelementptr inbounds [[SIMPLE_PRINTF_TY]], [[SIMPLE_PRINTF_TY]]* [[BUF]], i32 0, i32 1
41 // CHECK: store i64 2, i64* [[PTR1]], align 8
42 // CHECK: [[PTR2:%[0-9]+]] = getelementptr inbounds [[SIMPLE_PRINTF_TY]], [[SIMPLE_PRINTF_TY]]* [[BUF]], i32 0, i32 2
44 // CHECK: store double 3.0{{[^,]*}}, double* [[PTR2]], align 8
45 // CHECK: [[BUF_CAST:%[0-9]+]] = bitcast [[SIMPLE_PRINTF_TY]]* [[BUF]] to i8*
46 // CHECK: [[RET:%[0-9]+]] = call i32 @vprintf(i8* [[FMT]], i8* [[BUF_CAST]])
47 printf(fmt, 1, 2ll, 3.0);
54 // CHECK: define {{.*}}void [[T2:@__omp_offloading_.+CheckNoArgs.+]]_worker()
58 // CHECK: define {{.*}}void [[T2]]()
60 // CHECK: {{call|invoke}} void [[T2]]_worker()
61 // CHECK: br label {{%?}}[[EXIT:.+]]
63 // CHECK-DAG: [[CMTID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
64 // CHECK-DAG: [[CMNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
65 // CHECK-DAG: [[CMWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
66 // CHECK: [[IS_MASTER:%.+]] = icmp eq i32 [[CMTID]],
67 // CHECK: br i1 [[IS_MASTER]], label {{%?}}[[MASTER:.+]], label {{%?}}[[EXIT]]
70 // CHECK-DAG: [[MNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
71 // CHECK-DAG: [[MWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
72 // CHECK: [[MTMP1:%.+]] = sub nuw i32 [[MNTH]], [[MWS]]
73 // CHECK: call void @__kmpc_kernel_init(i32 [[MTMP1]]
75 // printf in master-only basic block.
76 // CHECK: call i32 @vprintf({{.*}}, i8* null){{$}}
77 printf("hello, world!");
81 // Check that printf's alloca happens in the entry block, not inside the if
84 void CheckAllocaIsInEntryBlock() {
85 // CHECK: define {{.*}}void [[T3:@__omp_offloading_.+CheckAllocaIsInEntryBlock.+]]_worker()
89 // CHECK: define {{.*}}void [[T3]](
90 // Alloca in entry block.
91 // CHECK: alloca %printf_args
93 // CHECK: {{call|invoke}} void [[T3]]_worker()
94 // CHECK: br label {{%?}}[[EXIT:.+]]
96 // CHECK-DAG: [[CMTID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
97 // CHECK-DAG: [[CMNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
98 // CHECK-DAG: [[CMWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
99 // CHECK: [[IS_MASTER:%.+]] = icmp eq i32 [[CMTID]],
100 // CHECK: br i1 [[IS_MASTER]], label {{%?}}[[MASTER:.+]], label {{%?}}[[EXIT]]
103 // CHECK-DAG: [[MNTH:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
104 // CHECK-DAG: [[MWS:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
105 // CHECK: [[MTMP1:%.+]] = sub nuw i32 [[MNTH]], [[MWS]]
106 // CHECK: call void @__kmpc_kernel_init(i32 [[MTMP1]]