8d690650e8
Patch adds 2 library functions to OpenMPRuntime class - int32 kmpc_master(ident_t *, int32 gtid) and void kmpc_end_master(ident_t *, int32 gtid);
For 'omp master' directive the next code is generated:
if (__kmpc_master(loc, gtid)) {
<Associated structured block>;
__kmpc_end_master(log, gtid);
}
Differential Revision: http://reviews.llvm.org/D6473
llvm-svn: 223342
47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | 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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// CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
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// CHECK: define void [[FOO:@.+]]()
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void foo() {}
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// CHECK-LABEL: @main
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int main() {
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// CHECK: [[A_ADDR:%.+]] = alloca i8
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char a;
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// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
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// CHECK: [[RES:%.+]] = call i32 @__kmpc_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK-NEXT: [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
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// CHECK-NEXT: br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
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// CHECK: [[THEN]]
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// CHECK-NEXT: store i8 2, i8* [[A_ADDR]]
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// CHECK-NEXT: call void @__kmpc_end_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK-NEXT: br label {{%?}}[[EXIT]]
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// CHECK: [[EXIT]]
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#pragma omp master
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a = 2;
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// CHECK: [[RES:%.+]] = call i32 @__kmpc_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK-NEXT: [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
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// CHECK-NEXT: br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
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// CHECK: [[THEN]]
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// CHECK-NEXT: call void [[FOO]]()
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// CHECK-NEXT: call void @__kmpc_end_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
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// CHECK-NEXT: br label {{%?}}[[EXIT]]
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// CHECK: [[EXIT]]
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#pragma omp master
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foo();
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// CHECK-NOT: call i32 @__kmpc_master
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// CHECK-NOT: call void @__kmpc_end_master
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return a;
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}
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#endif
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