forked from OSchip/llvm-project
59 lines
2.6 KiB
C++
59 lines
2.6 KiB
C++
// 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
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-nvidia-cuda -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -disable-llvm-optzns | FileCheck %s
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// expected-no-diagnostics
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int foo(int &a) { return a; }
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int bar() {
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int a;
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return foo(a);
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}
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// CHECK: define weak void @__omp_offloading_{{.*}}maini1{{.*}}_l[[@LINE+5]](i32* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %{{.*}})
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// CHECK-NOT: @__kmpc_data_sharing_coalesced_push_stack
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int maini1() {
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int a;
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#pragma omp target parallel map(from:a)
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{
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int b;
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a = foo(b) + bar();
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}
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return a;
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}
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// parallel region
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// CHECK: define {{.*}}void @{{.*}}(i32* noalias {{.*}}, i32* noalias {{.*}}, i32* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %{{.*}})
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// CHECK-NOT: call i8* @__kmpc_data_sharing_coalesced_push_stack(
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// CHECK: [[B_ADDR:%.+]] = alloca i32,
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// CHECK: call {{.*}}[[FOO:@.*foo.*]](i32* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) [[B_ADDR]])
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// CHECK: call {{.*}}[[BAR:@.*bar.*]]()
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// CHECK-NOT: call void @__kmpc_data_sharing_pop_stack(
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// CHECK: ret void
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// CHECK: define {{.*}}[[FOO]](i32* nonnull align {{[0-9]+}} dereferenceable{{.*}})
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// CHECK-NOT: @__kmpc_data_sharing_coalesced_push_stack
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// CHECK: define {{.*}}[[BAR]]()
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// CHECK: alloca i32,
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// CHECK: [[A_LOCAL_ADDR:%.+]] = alloca i32,
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// CHECK: [[RES:%.+]] = call i8 @__kmpc_is_spmd_exec_mode()
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// CHECK: [[IS_SPMD:%.+]] = icmp ne i8 [[RES]], 0
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// CHECK: br i1 [[IS_SPMD]], label
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// CHECK: br label
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// CHECK: [[RES:%.+]] = call i8* @__kmpc_data_sharing_coalesced_push_stack(i64 128, i16 0)
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// CHECK: [[GLOBALS:%.+]] = bitcast i8* [[RES]] to [[GLOBAL_ST:%.+]]*
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// CHECK: br label
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// CHECK: [[ITEMS:%.+]] = phi [[GLOBAL_ST]]* [ null, {{.+}} ], [ [[GLOBALS]], {{.+}} ]
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// CHECK: [[A_ADDR:%.+]] = getelementptr inbounds [[GLOBAL_ST]], [[GLOBAL_ST]]* [[ITEMS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
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// CHECK: [[TID:%.+]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
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// CHECK: [[LID:%.+]] = and i32 [[TID]], 31
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// CHECK: [[A_GLOBAL_ADDR:%.+]] = getelementptr inbounds [32 x i32], [32 x i32]* [[A_ADDR]], i32 0, i32 [[LID]]
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// CHECK: [[A_ADDR:%.+]] = select i1 [[IS_SPMD]], i32* [[A_LOCAL_ADDR]], i32* [[A_GLOBAL_ADDR]]
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// CHECK: call {{.*}}[[FOO]](i32* nonnull align {{[0-9]+}} dereferenceable{{.*}} [[A_ADDR]])
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// CHECK: br i1 [[IS_SPMD]], label
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// CHECK: [[BC:%.+]] = bitcast [[GLOBAL_ST]]* [[ITEMS]] to i8*
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// CHECK: call void @__kmpc_data_sharing_pop_stack(i8* [[BC]])
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// CHECK: br label
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// CHECK: ret i32
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