| // 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 @_T08ErrorVar6simpleys5Int64VKF(i64, %swift.refcounted* swiftself, %swift.error**) |
| // CHECK: call void @llvm.dbg.declare |
| // CHECK: call void @llvm.dbg.declare({{.*}}, metadata ![[ERROR:[0-9]+]], metadata !DIExpression(DW_OP_deref)) |
| // CHECK: ![[ERRTY:.*]] = !DICompositeType({{.*}}identifier: "_T0s5Error_pD" |
| // CHECK: ![[ERROR]] = !DILocalVariable(name: "$error", arg: 2, |
| // CHECK-SAME: type: ![[ERRTY]], |
| // CHECK-SAME: flags: DIFlagArtificial) |
| throw MyError.Simple |
| } |
| |
| func obj() throws -> () { |
| throw MyError.WithObj(Obj()) |
| } |
| |
| public func foo() { |
| do { |
| try simple(1) |
| try obj() |
| } |
| catch {} |
| } |
