llvm-project/clang/test/OpenMP/debug_task_shared.c

59 lines
2.8 KiB
C

// This testcase checks emission of debug info for variables
// inside shared clause of task construct.
// REQUIRES: x86_64-linux
// RUN: %clang_cc1 -no-opaque-pointers -debug-info-kind=constructor -DSHARED -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK
// RUN: %clang_cc1 -no-opaque-pointers -debug-info-kind=constructor -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s --check-prefix=NEG
// RUN: %clang_cc1 -no-opaque-pointers -debug-info-kind=line-directives-only -DSHARED -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s --check-prefix=NEG
// RUN: %clang_cc1 -no-opaque-pointers -debug-info-kind=line-tables-only -DSHARED -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s --check-prefix=NEG
// RUN: %clang_cc1 -no-opaque-pointers -debug-info-kind=limited -DSHARED -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK
// expected-no-diagnostics
// CHECK-LABEL: define internal i32 @.omp_task_entry.
// CHECK-DAG: [[CONTEXT:%[0-9]+]] = load %struct.anon*, %struct.anon** %__context.addr.i, align 8
// CHECK-DAG: call void @llvm.dbg.declare(metadata %struct.anon* [[CONTEXT]], metadata [[SHARE2:![0-9]+]], metadata !DIExpression(DW_OP_deref))
// CHECK-DAG: call void @llvm.dbg.declare(metadata %struct.anon* [[CONTEXT]], metadata [[SHARE3:![0-9]+]], metadata !DIExpression(DW_OP_plus_uconst, 8, DW_OP_deref))
// CHECK-DAG: call void @llvm.dbg.declare(metadata %struct.anon* [[CONTEXT]], metadata [[SHARE1:![0-9]+]], metadata !DIExpression(DW_OP_plus_uconst, 16, DW_OP_deref))
// CHECK-DAG: [[SHARE2]] = !DILocalVariable(name: "share2"
// CHECK-DAG: [[SHARE3]] = !DILocalVariable(name: "share3"
// CHECK-DAG: [[SHARE1]] = !DILocalVariable(name: "share1"
// NEG-LABEL: define internal i32 @.omp_task_entry.
// NEG: [[CONTEXT:%[0-9]+]] = load %struct.anon*, %struct.anon** %__context.addr.i, align 8
// NEG-NOT: call void @llvm.dbg.declare(metadata %struct.anon* [[CONTEXT]], metadata {{![0-9]+}}, metadata !DIExpression(DW_OP_deref))
extern int printf(const char *, ...);
int foo(int n) {
int share1 = 9, share2 = 11, share3 = 13, priv1, priv2, fpriv;
fpriv = n + 4;
if (n < 2)
return n;
else {
#if SHARED
#pragma omp task shared(share1, share2) private(priv1, priv2) firstprivate(fpriv) shared(share3)
#else
#pragma omp task private(priv1, priv2) firstprivate(fpriv)
#endif
{
priv1 = n;
priv2 = n + 2;
share2 += share3;
printf("share1 = %d, share2 = %d, share3 = %d\n", share1, share2, share3);
share1 = priv1 + priv2 + fpriv + foo(n - 1) + share2 + share3;
}
#pragma omp taskwait
return share1 + share2 + share3;
}
}
int main() {
int n = 10;
printf("foo(%d) = %d\n", n, foo(n));
return 0;
}