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[DebugInfo][SILGen] Ensure "guard let" is lowered with a non-implicit… #70167

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Merged
merged 1 commit into from
Dec 2, 2023
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[DebugInfo][SILGen] Ensure "guard let" is lowered with a non-implicit… #70167

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2 changes: 1 addition & 1 deletion lib/SILGen/SILGenExpr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -404,7 +404,7 @@ void SILGenFunction::emitExprInto(Expr *E, Initialization *I,
FormalEvaluationScope writeback(*this);
auto lv = emitLValue(load->getSubExpr(),
SGFAccessKind::BorrowedAddressRead);
emitCopyLValueInto(E, std::move(lv), I);
emitCopyLValueInto(L ? *L : E, std::move(lv), I);
return;
}

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17 changes: 17 additions & 0 deletions test/SILGen/guardlet_debuginfo.swift
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
// RUN: %target-swift-emit-silgen -g -Xllvm -sil-print-debuginfo %s | %FileCheck %s

class A {
func foo() {
{ [weak self] in
// Check that column 14 -- the start "guard" -- is used as the debug location,
// as other locations are considered implicit.
// CHECK: switch_enum
// CHECK-SAME: guardlet_debuginfo.swift":[[@LINE+1]]:13
guard let self else { return }
print(self)
}()
}
}

let a = A()
a.foo()