llvm-capstone/clang/test/OpenMP/master_codegen.cpp
Alexey Bataev 0e1b45897e [OPENMP] Fix PR35156: Get correct thread id with windows exceptions.
If the thread id is requested in windows mode within funclets, we may
generate incorrect function call that could lead to broken codegen.

llvm-svn: 317208
2017-11-02 14:25:34 +00:00

67 lines
2.9 KiB
C++

// RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
// CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
// CHECK: define {{.*}}void [[FOO:@.+]]()
void foo() {}
// CHECK-LABEL: @main
// TERM_DEBUG-LABEL: @main
int main() {
// CHECK: [[A_ADDR:%.+]] = alloca i8
char a;
// CHECK: [[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
// CHECK: [[RES:%.+]] = call {{.*}}i32 @__kmpc_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
// CHECK: [[THEN]]
// CHECK-NEXT: store i8 2, i8* [[A_ADDR]]
// CHECK-NEXT: call {{.*}}void @__kmpc_end_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: br label {{%?}}[[EXIT]]
// CHECK: [[EXIT]]
#pragma omp master
a = 2;
// CHECK: [[RES:%.+]] = call {{.*}}i32 @__kmpc_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
// CHECK: [[THEN]]
// CHECK-NEXT: invoke {{.*}}void [[FOO]]()
// CHECK: call {{.*}}void @__kmpc_end_master([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: br label {{%?}}[[EXIT]]
// CHECK: [[EXIT]]
#pragma omp master
foo();
// CHECK-NOT: call i32 @__kmpc_master
// CHECK-NOT: call void @__kmpc_end_master
return a;
}
// CHECK-LABEL: parallel_master
// TERM_DEBUG-LABEL: parallel_master
void parallel_master() {
#pragma omp parallel
#pragma omp master
// TERM_DEBUG-NOT: __kmpc_global_thread_num
// TERM_DEBUG: call i32 @__kmpc_master({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]]
// TERM_DEBUG: invoke void {{.*}}foo{{.*}}()
// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
// TERM_DEBUG-NOT: __kmpc_global_thread_num
// TERM_DEBUG: call void @__kmpc_end_master({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]]
// TERM_DEBUG: [[TERM_LPAD]]
// TERM_DEBUG: call void @__clang_call_terminate
// TERM_DEBUG: unreachable
foo();
}
// TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-12]],
// TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-3]],
#endif