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41 lines
1.4 KiB
Swift
41 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend %use_no_opaque_pointers -primary-file %s -emit-ir -g -o - | %FileCheck %s
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// RUN: %target-swift-frontend -primary-file %s -emit-ir -g -o -
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// RUN: %target-swift-frontend %s -emit-sil -g -o - | %FileCheck -check-prefix=CHECK-SIL %s
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// Verify that -Onone shadow copies are emitted for debug_value_addr
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// instructions.
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// CHECK-SIL: sil hidden @$s16debug_value_addr4testyyxlF
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// CHECK-SIL: debug_value %0 : $*T, let, name "t", {{.*}}, expr op_deref
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// CHECK: define {{.*}}$s16debug_value_addr4testyyxlF
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// CHECK: entry:
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// CHECK-NEXT: %[[TADDR:.*]] = alloca
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// CHECK-NEXT: call void @llvm.dbg.declare({{.*}}%[[TADDR]]
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// CHECK: store %swift.opaque* %0, %swift.opaque** %[[TADDR:.*]], align
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struct S<T> {
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var a : T
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func foo() {}
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}
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func test<T>(_ t : T) {
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let a = S(a: t)
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a.foo()
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}
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func use<T>(_ t : T) {}
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// CHECK-SIL: sil hidden @$s16debug_value_addr11GenericSelfV1xACyxGx_tcfC : $@convention(method) <T> (@in T, @thin GenericSelf<T>.Type) -> GenericSelf<T> {
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// CHECK-SIL: bb0(%0 : $*T, %1 : $@thin GenericSelf<T>.Type):
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//
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// CHECK-SIL-NEXT: alloc_stack $GenericSelf<T>, var, name "self", implicit, loc {{.*}}
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// CHECK-SIL-NEXT: debug_value %0 : $*T, let, name "x", argno 1, expr op_deref, loc {{.*}}
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struct GenericSelf<T> {
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init(x: T) {
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// 'self' is a valid debug variable here even though there is
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// nothing to initialize (the dead alloc_stack cannot be removed).
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use(x)
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}
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}
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