Revert "[OMPIRBuilder] Don't use invalid debug loc in task proxy function."

[abidh]

There is a sanitizer fail in CI after this which I need to investigate. Reverting for now.
Reverts #148284

[llvmbot]

@llvm/pr-subscribers-mlir-llvm

@llvm/pr-subscribers-flang-openmp

Author: Abid Qadeer (abidh)

Changes

There is a sanitizer fail in CI after this which I need to investigate. Reverting for now.
Reverts llvm/llvm-project#148284

---

Full diff: https://github.com/llvm/llvm-project/pull/148728.diff

2 Files Affected:

• (modified) llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp (-2)
• (removed) mlir/test/Target/LLVMIR/omptarget-debug-target-task.mlir (-49)

diff --git a/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp b/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
index 4f08ea97378c2..170224616ac64 100644
--- a/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
+++ b/llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
@@ -7229,11 +7229,9 @@ static Function *emitTargetTaskProxyFunction(
 
   bool HasShareds = SharedArgsOperandNo > 0;
   bool HasOffloadingArrays = NumOffloadingArrays > 0;
-  IRBuilder<>::InsertPointGuard IPG(Builder);
   BasicBlock *EntryBB =
       BasicBlock::Create(Builder.getContext(), "entry", ProxyFn);
   Builder.SetInsertPoint(EntryBB);
-  Builder.SetCurrentDebugLocation(llvm::DebugLoc());
 
   SmallVector<Value *> KernelLaunchArgs;
   KernelLaunchArgs.reserve(StaleCI->arg_size());
diff --git a/mlir/test/Target/LLVMIR/omptarget-debug-target-task.mlir b/mlir/test/Target/LLVMIR/omptarget-debug-target-task.mlir
deleted file mode 100644
index dbd465a97645b..0000000000000
--- a/mlir/test/Target/LLVMIR/omptarget-debug-target-task.mlir
+++ /dev/null
@@ -1,49 +0,0 @@
-// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s
-
-module attributes {omp.is_target_device = false} {
-  llvm.func @omp_target_depend_() {
-    %0 = llvm.mlir.constant(39 : index) : i64
-    %1 = llvm.mlir.constant(1 : index) : i64
-    %2 = llvm.mlir.constant(40 : index) : i64
-    %3 = omp.map.bounds lower_bound(%1 : i64) upper_bound(%0 : i64) extent(%2 : i64) stride(%1 : i64) start_idx(%1 : i64)
-    %4 = llvm.mlir.addressof @_QFEa : !llvm.ptr
-    %5 = omp.map.info var_ptr(%4 : !llvm.ptr, !llvm.array<40 x i32>) map_clauses(from) capture(ByRef) bounds(%3) -> !llvm.ptr {name = "a"}
-    omp.target depend(taskdependin -> %4 : !llvm.ptr) map_entries(%5 -> %arg0 : !llvm.ptr) {
-      %6 = llvm.mlir.constant(100 : index) : i32
-      llvm.store %6, %arg0 : i32, !llvm.ptr
-      omp.terminator
-    } loc(#loc13)
-    llvm.return
-  } loc(#loc12)
-
-  llvm.mlir.global internal @_QFEa() {addr_space = 0 : i32} : !llvm.array<40 x i32> {
-    %0 = llvm.mlir.zero : !llvm.array<40 x i32>
-    llvm.return %0 : !llvm.array<40 x i32>
-  }
-}
-
-#loc1 = loc("test.f90":4:18)
-#loc2 = loc("test.f90":8:7)
-
-#di_file = #llvm.di_file<"test.f90" in "">
-#di_null_type = #llvm.di_null_type
-#di_compile_unit = #llvm.di_compile_unit<id = distinct[0]<>,
- sourceLanguage = DW_LANG_Fortran95, file = #di_file, producer = "flang",
- isOptimized = false, emissionKind = LineTablesOnly>
-#di_subroutine_type = #llvm.di_subroutine_type<
-  callingConvention = DW_CC_program, types = #di_null_type>
-#di_subprogram = #llvm.di_subprogram<id = distinct[1]<>,
-  compileUnit = #di_compile_unit, scope = #di_file, name = "main",
-  file = #di_file, subprogramFlags = "Definition|MainSubprogram",
-  type = #di_subroutine_type>
-#di_subprogram1 = #llvm.di_subprogram<compileUnit = #di_compile_unit,
-  name = "target", file = #di_file, subprogramFlags = "Definition",
-  type = #di_subroutine_type>
-
-
-#loc12 = loc(fused<#di_subprogram>[#loc1])
-#loc13 = loc(fused<#di_subprogram1>[#loc2])
-
-// CHECK: define internal void @.omp_target_task_proxy_func
-// CHECK-NOT: !dbg
-// CHECK: }