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https://github.com/Gericom/teak-llvm.git
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6b21c4a4ee
Currently, we ignore all dso locality attributes/info when building for the device and thus all symblos are externally visible and can be preemted at the runtime. It may lead to incorrect results. We need to follow the same logic, compiler uses for static/pie builds. llvm-svn: 361283
108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -triple x86_64-apple-darwin10.6.0 -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc -o %t-host.bc %s
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// RUN: %clang_cc1 -verify -fopenmp -triple nvptx64-nvidia-cuda -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-host.bc -o - -disable-llvm-optzns | FileCheck %s
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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#pragma omp declare target
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typedef void **omp_allocator_handle_t;
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extern const omp_allocator_handle_t omp_default_mem_alloc;
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extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
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extern const omp_allocator_handle_t omp_const_mem_alloc;
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extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
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extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
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extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
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extern const omp_allocator_handle_t omp_pteam_mem_alloc;
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extern const omp_allocator_handle_t omp_thread_mem_alloc;
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// CHECK-DAG: @{{.+}}St1{{.+}}b{{.+}} = external global i32,
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// CHECK-DAG: @a ={{ dso_local | }}global i32 0,
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// CHECK-DAG: @b ={{ dso_local | }}addrspace(4) global i32 0,
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// CHECK-DAG: @c ={{ dso_local | }}global i32 0,
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// CHECK-DAG: @d ={{ dso_local | }}global %struct.St1 zeroinitializer,
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// CHECK-DAG: @{{.+}}ns{{.+}}a{{.+}} ={{ dso_local | }}addrspace(3) global i32 0,
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// CHECK-DAG: @{{.+}}main{{.+}}a{{.*}} = internal global i32 0,
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// CHECK-DAG: @{{.+}}ST{{.+}}m{{.+}} = external global i32,
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// CHECK-DAG: @bar_c = internal global i32 0,
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// CHECK-DAG: @bar_b = internal addrspace(3) global double 0.000000e+00,
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struct St{
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int a;
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};
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struct St1{
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int a;
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static int b;
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#pragma omp allocate(b) allocator(omp_default_mem_alloc)
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} d;
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int a, b, c;
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#pragma omp allocate(a) allocator(omp_large_cap_mem_alloc)
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#pragma omp allocate(b) allocator(omp_const_mem_alloc)
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#pragma omp allocate(d, c) allocator(omp_high_bw_mem_alloc)
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template <class T>
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struct ST {
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static T m;
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#pragma omp allocate(m) allocator(omp_low_lat_mem_alloc)
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};
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template <class T> T foo() {
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T v;
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#pragma omp allocate(v) allocator(omp_cgroup_mem_alloc)
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v = ST<T>::m;
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return v;
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}
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namespace ns{
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int a;
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}
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#pragma omp allocate(ns::a) allocator(omp_pteam_mem_alloc)
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// CHECK-LABEL: @main
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int main () {
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// CHECK: alloca double,
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static int a;
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#pragma omp allocate(a) allocator(omp_thread_mem_alloc)
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a=2;
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double b = 3;
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float c;
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#pragma omp allocate(b) allocator(omp_default_mem_alloc)
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#pragma omp allocate(c) allocator(omp_cgroup_mem_alloc)
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return (foo<int>());
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}
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// CHECK: define {{.*}}i32 @{{.+}}foo{{.+}}()
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// CHECK-NOT: alloca i32,
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extern template int ST<int>::m;
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void baz(float &);
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// CHECK: define{{ dso_local | }}void @{{.+}}bar{{.+}}()
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void bar() {
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// CHECK: alloca float,
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float bar_a;
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// CHECK: alloca double,
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double bar_b;
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int bar_c;
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#pragma omp allocate(bar_c) allocator(omp_cgroup_mem_alloc)
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// CHECK: call void [[OUTLINED:@.+]](i32* %{{.+}}, i32* %{{.+}})
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#pragma omp parallel private(bar_a, bar_b) allocate(omp_thread_mem_alloc \
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: bar_a) allocate(omp_pteam_mem_alloc \
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: bar_b)
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{
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bar_b = bar_a;
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baz(bar_a);
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}
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// CHECK: define internal void [[OUTLINED]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
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// CHECK-NOT: alloca double,
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// CHECK: alloca float,
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// CHECK-NOT: alloca double,
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// CHECK: load float, float* %
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// CHECK: store double {{.+}}, double addrspace(3)* @bar_b,
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}
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#pragma omp end declare target
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#endif
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