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// 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 -debug-info-kind=limited -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-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 -debug-info-kind=limited -verify -fopenmp -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-32
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
template <typename tx, typename ty>
struct TT {
tx X;
ty Y;
};
// TCHECK-DAG: [[TTII:%.+]] = type { i32, i32 }
// TCHECK-DAG: [[TT:%.+]] = type { i64, i8 }
// TCHECK-DAG: [[S1:%.+]] = type { double }
int foo(int n, double *ptr) {
int a = 0;
short aa = 0;
float b[10];
double c[5][10];
TT<long long, char> d;
const TT<int, int> e = {n, n};
#pragma omp target firstprivate(a, e) map(tofrom \
: b)
{
b[a] = a;
b[a] += e.X;
}
// TCHECK: define {{.*}}void @__omp_offloading_{{.+}}(ptr {{[^,]+}}, ptr addrspace(1) noalias noundef [[B_IN:%.+]], i{{[0-9]+}} noundef [[A_IN:%.+]], ptr noalias noundef [[E_IN:%.+]])
// TCHECK: [[DYN_PTR_ADDR:%.+]] = alloca ptr
// TCHECK: [[A_ADDR:%.+]] = alloca i{{[0-9]+}},
// TCHECK-NOT: alloca [[TTII]],
// TCHECK: alloca i{{[0-9]+}},
// TCHECK: store i{{[0-9]+}} [[A_IN]], ptr [[A_ADDR]],
// TCHECK: ret void
#pragma omp target firstprivate(aa, b, c, d)
{
aa += 1;
b[2] = 1.0;
c[1][2] = 1.0;
d.X = 1;
d.Y = 1;
}
// make sure that firstprivate variables are generated in all cases and that we use those instances for operations inside the
// target region
// TCHECK: define {{.*}}void @__omp_offloading_{{.+}}(ptr {{[^,]+}}, i{{[0-9]+}}{{.*}} [[A2_IN:%.+]], ptr{{.*}} [[B_IN:%.+]], ptr{{.*}} [[C_IN:%.+]], ptr{{.*}} [[D_IN:%.+]])
// TCHECK: [[DYN_PTR_ADDR:%.+]] = alloca ptr
// TCHECK: [[A2_ADDR:%.+]] = alloca i{{[0-9]+}},
// TCHECK: [[B_ADDR:%.+]] = alloca ptr,
// TCHECK: [[C_ADDR:%.+]] = alloca ptr,
// TCHECK: [[D_ADDR:%.+]] = alloca ptr,
// TCHECK-NOT: alloca i{{[0-9]+}},
// TCHECK: [[B_PRIV:%.+]] = alloca [10 x float],
// TCHECK: [[C_PRIV:%.+]] = alloca [5 x [10 x double]],
// TCHECK: [[D_PRIV:%.+]] = alloca [[TT]],
// TCHECK: store i{{[0-9]+}} [[A2_IN]], ptr [[A2_ADDR]],
// TCHECK: store ptr [[B_IN]], ptr [[B_ADDR]],
// TCHECK: store ptr [[C_IN]], ptr [[C_ADDR]],
// TCHECK: store ptr [[D_IN]], ptr [[D_ADDR]],
// TCHECK: [[B_ADDR_REF:%.+]] = load ptr, ptr [[B_ADDR]],
// TCHECK: [[B_ADDR_REF:%.+]] = load ptr, ptr %
// TCHECK: [[C_ADDR_REF:%.+]] = load ptr, ptr [[C_ADDR]],
// TCHECK: [[C_ADDR_REF:%.+]] = load ptr, ptr %
// TCHECK: [[D_ADDR_REF:%.+]] = load ptr, ptr [[D_ADDR]],
// TCHECK: [[D_ADDR_REF:%.+]] = load ptr, ptr %
// firstprivate(aa): a_priv = a_in
// firstprivate(b): memcpy(b_priv,b_in)
// TCHECK: call void @llvm.memcpy.{{.+}}(ptr align {{[0-9]+}} [[B_PRIV]], ptr align {{[0-9]+}} [[B_ADDR_REF]], {{.+}})
// firstprivate(c)
// TCHECK: call void @llvm.memcpy.{{.+}}(ptr align {{[0-9]+}} [[C_PRIV]], ptr align {{[0-9]+}} [[C_ADDR_REF]],{{.+}})
// firstprivate(d)
// TCHECK: call void @llvm.memcpy.{{.+}}(ptr align {{[0-9]+}} [[D_PRIV]], ptr align {{[0-9]+}} [[D_ADDR_REF]],{{.+}})
// TCHECK: load i16, ptr [[A2_ADDR]],
#pragma omp target firstprivate(ptr)
{
ptr[0]++;
}
// TCHECK: define weak_odr protected ptx_kernel void @__omp_offloading_{{.+}}(ptr {{[^,]+}}, ptr noundef [[PTR_IN:%.+]])
// TCHECK: [[DYN_PTR_ADDR:%.+]] = alloca ptr,
// TCHECK: [[PTR_ADDR:%.+]] = alloca ptr,
// TCHECK-NOT: alloca ptr,
// TCHECK: store ptr [[PTR_IN]], ptr [[PTR_ADDR]],
// TCHECK: [[PTR_IN_REF:%.+]] = load ptr, ptr [[PTR_ADDR]],
// TCHECK-NOT: store ptr [[PTR_IN_REF]], ptr {{%.+}},
return a;
}
template <typename tx>
tx ftemplate(int n) {
tx a = 0;
tx b[10];
#pragma omp target firstprivate(a, b)
{
a += 1;
b[2] += 1;
}
return a;
}
static int fstatic(int n) {
int a = 0;
char aaa = 0;
int b[10];
#pragma omp target firstprivate(a, aaa, b)
{
a += 1;
aaa += 1;
b[2] += 1;
}
return a;
}
template <typename tx>
void fconst(const tx t) {
#pragma omp target firstprivate(t)
{ }
}
// TCHECK: define {{.*}}void @__omp_offloading_{{.+}}(ptr {{[^,]+}}, i{{[0-9]+}}{{.*}} [[A_IN:%.+]], i{{[0-9]+}}{{.*}} [[A3_IN:%.+]], ptr {{.+}} [[B_IN:%.+]])
// TCHECK: [[DYN_PTR_ADDR:%.+]] = alloca ptr
// TCHECK: [[A_ADDR:%.+]] = alloca i{{[0-9]+}},
// TCHECK: [[A3_ADDR:%.+]] = alloca i{{[0-9]+}},
// TCHECK: [[B_ADDR:%.+]] = alloca ptr,
// TCHECK-NOT: alloca i{{[0-9]+}},
// TCHECK: [[B_PRIV:%.+]] = alloca [10 x i{{[0-9]+}}],
// TCHECK: store i{{[0-9]+}} [[A_IN]], ptr [[A_ADDR]],
// TCHECK: store i{{[0-9]+}} [[A3_IN]], ptr [[A3_ADDR]],
// TCHECK: store ptr [[B_IN]], ptr [[B_ADDR]],
// TCHECK: [[B_ADDR_REF:%.+]] = load ptr, ptr [[B_ADDR]],
// TCHECK: [[B_ADDR_REF:%.+]] = load ptr, ptr %
// firstprivate(a): a_priv = a_in
// firstprivate(aaa)
// TCHECK-NOT: store i{{[0-9]+}} %{{.+}}, ptr
// firstprivate(b)
// TCHECK: call void @llvm.memcpy.{{.+}}(ptr align {{[0-9]+}} [[B_PRIV]], ptr align {{[0-9]+}} [[B_ADDR_REF]],{{.+}})
// TCHECK: ret void
struct S1 {
double a;
int r1(int n) {
int b = n + 1;
#pragma omp target firstprivate(b)
{
this->a = (double)b + 1.5;
}
return (int)b;
}
// TCHECK: define internal void @__omp_offloading_{{.+}}(ptr {{[^,]+}}, ptr noundef [[TH:%.+]], i{{[0-9]+}} noundef [[B_IN:%.+]])
// TCHECK: [[DYN_PTR_ADDR:%.+]] = alloca ptr
// TCHECK: [[TH_ADDR:%.+]] = alloca ptr,
// TCHECK: [[B_ADDR:%.+]] = alloca i{{[0-9]+}},
// TCHECK-NOT: alloca i{{[0-9]+}},
// TCHECK: store ptr [[TH]], ptr [[TH_ADDR]],
// TCHECK: store i{{[0-9]+}} [[B_IN]], ptr [[B_ADDR]],
// TCHECK: [[TH_ADDR_REF:%.+]] = load ptr, ptr [[TH_ADDR]],
// firstprivate(b)
// TCHECK-NOT: store i{{[0-9]+}} %{{.+}}, ptr
// TCHECK: ret void
};
int bar(int n, double *ptr) {
int a = 0;
a += foo(n, ptr);
S1 S;
a += S.r1(n);
a += fstatic(n);
a += ftemplate<int>(n);
fconst(TT<int, int>{0, 0});
fconst(TT<char, char>{0, 0});
return a;
}
// template
// TCHECK: define internal void @__omp_offloading_{{.+}}(ptr {{[^,]+}}, i{{[0-9]+}} noundef [[A_IN:%.+]], ptr{{.+}} noundef [[B_IN:%.+]])
// TCHECK: [[DYN_PTR_ADDR:%.+]] = alloca ptr
// TCHECK: [[A_ADDR:%.+]] = alloca i{{[0-9]+}},
// TCHECK: [[B_ADDR:%.+]] = alloca ptr,
// TCHECK-NOT: alloca i{{[0-9]+}},
// TCHECK: [[B_PRIV:%.+]] = alloca [10 x i{{[0-9]+}}],
// TCHECK: store i{{[0-9]+}} [[A_IN]], ptr [[A_ADDR]],
// TCHECK: store ptr [[B_IN]], ptr [[B_ADDR]],
// TCHECK: [[B_ADDR_REF:%.+]] = load ptr, ptr [[B_ADDR]],
// TCHECK: [[B_ADDR_REF:%.+]] = load ptr, ptr %
// firstprivate(a)
// TCHECK-NOT: store i{{[0-9]+}} %{{.+}}, ptr
// firstprivate(b)
// TCHECK: call void @llvm.memcpy.{{.+}}(ptr align {{[0-9]+}} [[B_PRIV]], ptr align {{[0-9]+}} [[B_ADDR_REF]],{{.+}})
// TCHECK: ret void
#endif
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