37639b72a1
The `EmitDeclareOfAutoVariable` introduced in D114504 and D115510 has a precondition that cannot be violated. It is unclear if we should call it directly given the sparse usage in clang but for now we should at least not crash if the debug info kind is too low. Fixes #52938. Differential Revision: https://reviews.llvm.org/D116865
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
// This testcase checks emission of debug info for variables inside
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// private/firstprivate/lastprivate.
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// REQUIRES: x86_64-linux
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// RUN: %clang_cc1 -debug-info-kind=constructor -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -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
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// RUN: %clang_cc1 -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
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// RUN: %clang_cc1 -debug-info-kind=limited -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s
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// expected-no-diagnostics
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// CHECK: define internal i32 @.omp_task_entry.
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// CHECK: call void @llvm.dbg.declare(metadata i32** %.priv.ptr.addr.i, metadata [[PRIV1:![0-9]+]], metadata !DIExpression(DW_OP_deref))
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// CHECK: call void @llvm.dbg.declare(metadata i32** %.priv.ptr.addr1.i, metadata [[PRIV2:![0-9]+]], metadata !DIExpression(DW_OP_deref))
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// CHECK: call void @llvm.dbg.declare(metadata i32** %.firstpriv.ptr.addr.i, metadata [[FPRIV:![0-9]+]], metadata !DIExpression(DW_OP_deref))
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// NEG-NOT: call void @llvm.dbg.declare
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// CHECK: [[PRIV1]] = !DILocalVariable(name: "priv1"
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// CHECK: [[PRIV2]] = !DILocalVariable(name: "priv2"
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// CHECK: [[FPRIV]] = !DILocalVariable(name: "fpriv"
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extern int printf(const char *, ...);
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int foo(int n) {
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int res, priv1, priv2, fpriv;
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fpriv = n + 4;
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if (n < 2)
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return n;
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else {
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#pragma omp task shared(res) private(priv1, priv2) firstprivate(fpriv)
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{
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priv1 = n;
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priv2 = n + 2;
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printf("Task n=%d,priv1=%d,priv2=%d,fpriv=%d\n", n, priv1, priv2, fpriv);
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res = priv1 + priv2 + fpriv + foo(n - 1);
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}
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#pragma omp taskwait
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return res;
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}
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}
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int main() {
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int n = 10;
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printf("foo(%d) = %d\n", n, foo(n));
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return 0;
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}
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