derek.holloway
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90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fopenmp -fopenmp-is-target-device \
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// RUN: -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fopenmp -fopenmp-is-target-device \
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// RUN: -fclangir -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fopenmp -fopenmp-is-target-device \
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// RUN: -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=OGCG
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// Test device-side filtering of globals, mirroring CGOpenMPRuntime logic:
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// - declare target functions and their transitive callees are emitted
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// - host-only functions are filtered out
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// - device_type(host) functions are filtered out on the device
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// - host functions containing target regions are kept
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// ---- declare target block: emitted on device ----
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#pragma omp declare target
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void regular_func() {}
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struct S {
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int x;
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S() : x(42) {}
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~S() {}
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};
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void caller() {
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regular_func();
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S s;
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}
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#pragma omp end declare target
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// CIR-DAG: cir.func {{.*}} @_Z12regular_funcv() {{.*}}omp.declare_target = #omp.declaretarget<device_type = (any), capture_clause = (to)
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// CIR-DAG: cir.func {{.*}} @_Z6callerv() {{.*}}omp.declare_target
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// CIR-DAG: cir.func {{.*}} @_ZN1SC2Ev({{.*}})
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// CIR-DAG: cir.func {{.*}} @_ZN1SC1Ev({{.*}})
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// CIR-DAG: cir.func {{.*}} @_ZN1SD2Ev({{.*}})
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// CIR-DAG: cir.func {{.*}} @_ZN1SD1Ev({{.*}})
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// LLVM-DAG: define {{.*}} void @_Z12regular_funcv()
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// LLVM-DAG: define {{.*}} void @_Z6callerv()
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// LLVM-DAG: define {{.*}} void @_ZN1SC2Ev(
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// LLVM-DAG: define {{.*}} void @_ZN1SC1Ev(
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// LLVM-DAG: define {{.*}} void @_ZN1SD2Ev(
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// LLVM-DAG: define {{.*}} void @_ZN1SD1Ev(
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// OGCG-DAG: define {{.*}} void @_Z12regular_funcv()
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// OGCG-DAG: define {{.*}} void @_Z6callerv()
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// OGCG-DAG: define {{.*}} void @_ZN1SC2Ev(
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// OGCG-DAG: define {{.*}} void @_ZN1SC1Ev(
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// OGCG-DAG: define {{.*}} void @_ZN1SD2Ev(
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// OGCG-DAG: define {{.*}} void @_ZN1SD1Ev(
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// ---- host-only function: NOT emitted on device ----
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void host_only_func() {}
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// CIR-NOT: @_Z14host_only_funcv
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// LLVM-NOT: @_Z14host_only_funcv
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// OGCG-NOT: @_Z14host_only_funcv
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// ---- device_type(host): filtered out on device by isAssumedToBeNotEmitted ----
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void host_device_type_func() {}
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#pragma omp declare target to(host_device_type_func) device_type(host)
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// CIR-NOT: @_Z20host_device_type_funcv
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// LLVM-NOT: @_Z20host_device_type_funcv
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// OGCG-NOT: @_Z20host_device_type_funcv
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// ---- transitive callee: emitted because called from declare target ----
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void transitive_callee() {}
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#pragma omp declare target
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void calls_transitive() { transitive_callee(); }
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#pragma omp end declare target
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// CIR-DAG: cir.func {{.*}} @_Z17transitive_calleev()
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// CIR-DAG: cir.func {{.*}} @_Z16calls_transitivev() {{.*}}omp.declare_target
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// LLVM-DAG: define {{.*}} void @_Z17transitive_calleev()
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// LLVM-DAG: define {{.*}} void @_Z16calls_transitivev()
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// OGCG-DAG: define {{.*}} void @_Z17transitive_calleev()
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// OGCG-DAG: define {{.*}} void @_Z16calls_transitivev()
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