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[flang][debug] Fix issue with argument numbering. #120726

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Merged
merged 1 commit into from
Jan 3, 2025
Merged

[flang][debug] Fix issue with argument numbering. #120726

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6 changes: 3 additions & 3 deletions flang/lib/Optimizer/Transforms/AddDebugInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -121,9 +121,9 @@ void AddDebugInfoPass::handleDeclareOp(fir::cg::XDeclareOp declOp,
// constant attribute of [hl]fir.declare/fircg.ext_declare operation that has
// a dummy_scope operand).
unsigned argNo = 0;
if (fir::isDummyArgument(declOp.getMemref())) {
auto arg = llvm::cast<mlir::BlockArgument>(declOp.getMemref());
argNo = arg.getArgNumber() + 1;
if (declOp.getDummyScope()) {
if (auto arg = llvm::dyn_cast<mlir::BlockArgument>(declOp.getMemref()))
argNo = arg.getArgNumber() + 1;
}

auto tyAttr = typeGen.convertType(fir::unwrapRefType(declOp.getType()),
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12 changes: 12 additions & 0 deletions flang/test/Integration/debug-116525.f90
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
! RUN: %flang_fc1 -fopenmp -emit-llvm -debug-info-kind=standalone %s -o -

! Test that this does not cause build failure.
function s(x)
character(len=2) :: x, s, ss

s = x

entry ss()

end function s

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