a495c6403b
If the declare target link global is used in the target region indirectly (used in the inner parallel, teams, etc. regions), we may miss this variable and it leads to incorrect codegen. llvm-svn: 355858
74 lines
5.3 KiB
C++
74 lines
5.3 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix HOST --check-prefix CHECK
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix DEVICE --check-prefix CHECK
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -emit-pch -o %t
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -o - | FileCheck %s --check-prefix DEVICE --check-prefix CHECK
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix SIMD-ONLY
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o -| FileCheck %s --check-prefix SIMD-ONLY
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -emit-pch -o %t
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// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify -o - | FileCheck %s --check-prefix SIMD-ONLY
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// expected-no-diagnostics
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// SIMD-ONLY-NOT: {{__kmpc|__tgt}}
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#ifndef HEADER
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#define HEADER
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// HOST-DAG: @c = external global i32,
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// HOST-DAG: @c_decl_tgt_link_ptr = global i32* @c
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// DEVICE-NOT: @c =
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// DEVICE: @c_decl_tgt_link_ptr = common global i32* null
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// HOST: [[SIZES:@.+]] = private unnamed_addr constant [2 x i64] [i64 4, i64 4]
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// HOST: [[MAPTYPES:@.+]] = private unnamed_addr constant [2 x i64] [i64 35, i64 531]
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// HOST: @.omp_offloading.entry_name{{.*}} = internal unnamed_addr constant [{{[0-9]+}} x i8] c"c_decl_tgt_link_ptr\00"
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// HOST: @.omp_offloading.entry.c_decl_tgt_link_ptr = weak constant %struct.__tgt_offload_entry { i8* bitcast (i32** @c_decl_tgt_link_ptr to i8*), i8* getelementptr inbounds ([{{[0-9]+}} x i8], [{{[0-9]+}} x i8]* @.omp_offloading.entry_name, i32 0, i32 0), i64 8, i32 1, i32 0 }, section ".omp_offloading.entries", align 1
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// DEVICE-NOT: internal unnamed_addr constant [{{[0-9]+}} x i8] c"c_decl_tgt_link_ptr\00"
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// CHECK: @llvm.used = appending global [1 x i8*] [i8* bitcast (i32** @c_decl_tgt_link_ptr to i8*)]
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extern int c;
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#pragma omp declare target link(c)
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int maini1() {
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int a;
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#pragma omp target map(tofrom : a)
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{
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a = c;
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}
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#pragma omp target
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#pragma omp teams
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c = a;
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return 0;
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}
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// DEVICE: define weak void @__omp_offloading_{{.*}}_{{.*}}maini1{{.*}}_l[[@LINE-10]](i32* dereferenceable{{[^,]*}}
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// DEVICE: [[C_REF:%.+]] = load i32*, i32** @c_decl_tgt_link_ptr,
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// DEVICE: [[C:%.+]] = load i32, i32* [[C_REF]],
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// DEVICE: store i32 [[C]], i32* %
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// HOST: define {{.*}}i32 @{{.*}}maini1{{.*}}()
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// HOST: [[BASEPTRS:%.+]] = alloca [2 x i8*],
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// HOST: [[PTRS:%.+]] = alloca [2 x i8*],
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// HOST: getelementptr inbounds [2 x i8*], [2 x i8*]* [[BASEPTRS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
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// HOST: getelementptr inbounds [2 x i8*], [2 x i8*]* [[PTRS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
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// HOST: [[BP1:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[BASEPTRS]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
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// HOST: [[BP1_CAST:%.+]] = bitcast i8** [[BP1]] to i32***
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// HOST: store i32** @c_decl_tgt_link_ptr, i32*** [[BP1_CAST]],
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// HOST: [[P1:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[PTRS]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
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// HOST: [[P1_CAST:%.+]] = bitcast i8** [[P1]] to i32**
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// HOST: store i32* @c, i32** [[P1_CAST]],
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// HOST: [[BP0:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[BASEPTRS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
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// HOST: [[P0:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[PTRS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
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// HOST: call i32 @__tgt_target(i64 -1, i8* @{{[^,]+}}, i32 2, i8** [[BP0]], i8** [[P0]], i64* getelementptr inbounds ([2 x i64], [2 x i64]* [[SIZES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* [[MAPTYPES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0))
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// HOST: call void @__omp_offloading_{{.*}}_{{.*}}maini1{{.*}}_l[[@LINE-29]](i32* %{{[^,]+}})
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// HOST: call i32 @__tgt_target_teams(i64 -1, i8* @.__omp_offloading_{{.+}}_l40.region_id, i32 2, {{.+}})
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// HOST: define internal void @__omp_offloading_{{.*}}_{{.*}}maini1{{.*}}_l[[@LINE-32]](i32* dereferenceable{{.*}})
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// HOST: [[C:%.*]] = load i32, i32* @c,
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// HOST: store i32 [[C]], i32* %
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// CHECK: !{i32 1, !"c_decl_tgt_link_ptr", i32 1, i32 {{[0-9]+}}}
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#endif // HEADER
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