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

50 lines
2.0 KiB
C

// This testcase checks emission of debug info for variables inside
// private/firstprivate/lastprivate.
// REQUIRES: x86_64-linux
// 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
// RUN: %clang_cc1 -no-opaque-pointers -debug-info-kind=line-directives-only -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 -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 -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics
// CHECK: define internal i32 @.omp_task_entry.
// CHECK: call void @llvm.dbg.declare(metadata i32** %.priv.ptr.addr.i, metadata [[PRIV1:![0-9]+]], metadata !DIExpression(DW_OP_deref))
// CHECK: call void @llvm.dbg.declare(metadata i32** %.priv.ptr.addr1.i, metadata [[PRIV2:![0-9]+]], metadata !DIExpression(DW_OP_deref))
// CHECK: call void @llvm.dbg.declare(metadata i32** %.firstpriv.ptr.addr.i, metadata [[FPRIV:![0-9]+]], metadata !DIExpression(DW_OP_deref))
// NEG-NOT: call void @llvm.dbg.declare
// CHECK: [[PRIV1]] = !DILocalVariable(name: "priv1"
// CHECK: [[PRIV2]] = !DILocalVariable(name: "priv2"
// CHECK: [[FPRIV]] = !DILocalVariable(name: "fpriv"
extern int printf(const char *, ...);
int foo(int n) {
int res, priv1, priv2, fpriv;
fpriv = n + 4;
if (n < 2)
return n;
else {
#pragma omp task shared(res) private(priv1, priv2) firstprivate(fpriv)
{
priv1 = n;
priv2 = n + 2;
printf("Task n=%d,priv1=%d,priv2=%d,fpriv=%d\n", n, priv1, priv2, fpriv);
res = priv1 + priv2 + fpriv + foo(n - 1);
}
#pragma omp taskwait
return res;
}
}
int main() {
int n = 10;
printf("foo(%d) = %d\n", n, foo(n));
return 0;
}