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// RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s
// REQUIRES: CPU=i386
class Obj {}
enum MyError : Error {
case Simple
case WithObj(Obj)
}
// i386 does not pass swifterror in a register. To support debugging of the
// thrown error we create a shadow stack location holding the address of the
// location that holds the pointer to the error instead.
func simple(_ placeholder: Int64) throws -> () {
// CHECK: define {{.*}}void @"$s8ErrorVar6simpleyys5Int64VKF"(
// CHECK-SAME: i64
// CHECK-SAME: %swift.refcounted* {{.*}}swiftself
// CHECK-SAME: %swift.error** noalias nocapture dereferenceable(4)
// CHECK: call void @llvm.dbg.declare
// CHECK: call void @llvm.dbg.declare({{.*}}, metadata ![[ERROR:[0-9]+]], metadata !DIExpression(DW_OP_deref))
// CHECK-DAG: ![[ERRTY:.*]] = !DICompositeType({{.*}}identifier: "$ss5Error_pD"
// CHECK-DAG: ![[ERROR]] = !DILocalVariable(name: "$error", arg: 2, {{.*}}, type: ![[ERRTY]], flags: DIFlagArtificial)
throw MyError.Simple
}
func obj() throws -> () {
throw MyError.WithObj(Obj())
}
public func foo() {
do {
try simple(1)
try obj()
}
catch {}
}
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