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4737090fa3
Ensure that SILGenCleanup creates the correct debug-value for both arguments and stack locations. Arguments require a 'deref' expression. Stack locations weirdly do not. They are special-cased in IRGen.
70 lines
3.5 KiB
Plaintext
70 lines
3.5 KiB
Plaintext
// RUN: %target-sil-opt -opt-mode=none -silgen-cleanup -sil-print-debuginfo -sil-verify-all %s | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECKDEB
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// TODO: add -opt-mode=speed after calling salvageLoadDebugInfo() from salvageDebugInfo().
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import Builtin
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sil_stage raw
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struct Int {
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var _value : Builtin.Int32
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}
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// rdar://104700920 (At -Onone preserve debug info after splitting loads)
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//
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// loadFromArg checks that a new debug_value is inserted with "expr op_deref".
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//
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// loadFromStack checks that a new debug_value is insert without op_deref.
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sil_scope 10 { loc "./loadFromArg.swift":1:1 parent @loadFromArg : $@convention(thin) (@inout Int) -> Builtin.Int32 }
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sil_scope 11 { loc "./loadFromArg.swift":1:1 parent 10 }
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// CHECK: sil_scope [[ARGSCOPE1:[0-9]+]] { loc "./loadFromArg.swift":1:1 parent @loadFromArg : $@convention(thin) (@inout Int) -> Builtin.Int32 }
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// CHECK: sil_scope [[ARGSCOPE2:[0-9]+]] { loc "./loadFromArg.swift":1:1 parent [[ARGSCOPE1]] }
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// CHECK-LABEL: sil [ossa] @loadFromArg : $@convention(thin) (@inout Int) -> Builtin.Int32 {
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// CHECK: bb0(%0 : $*Int):
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// CHECK: [[ACCESS:%.*]] = begin_access [read] [unknown] %0 : $*Int
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// CHECK: struct_element_addr [[ACCESS]] : $*Int, #Int._value
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// CHECK: load [trivial] %{{.*}} : $*Builtin.Int32, loc "./loadFromArg.swift":2:1, scope [[ARGSCOPE1]]
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// CHECK: debug_value [[ACCESS]] : $*Int, let, name "sVar", expr op_deref, loc "./loadFromArg.swift":3:1, scope [[ARGSCOPE2]]
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// CHECK-LABEL: } // end sil function 'loadFromArg'
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sil [ossa] @loadFromArg : $@convention(thin) (@inout Int) -> Builtin.Int32 {
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bb0(%0 : $*Int):
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%2 = begin_access [read] [unknown] %0 : $*Int
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%3 = load [trivial] %2 : $*Int, loc "./loadFromArg.swift":2:1, scope 10
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end_access %2 : $*Int
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debug_value %3 : $Int, let, name "sVar", loc "./loadFromArg.swift":3:1, scope 11
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%6 = struct_extract %3 : $Int, #Int._value
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return %6 : $Builtin.Int32
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}
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sil @storeToStack : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
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sil_scope 20 { loc "./loadFromStack.swift":1:1 parent @loadFromStack : $@convention(thin) (Int) -> Builtin.Int32 }
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sil_scope 21 { loc "./loadFromStack.swift":1:1 parent 20 }
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// CHECK: sil_scope [[STACKSCOPE1:[0-9]+]] { loc "./loadFromStack.swift":1:1 parent @loadFromStack : $@convention(thin) (Int) -> Builtin.Int32 }
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// CHECK: sil_scope [[STACKSCOPE2:[0-9]+]] { loc "./loadFromStack.swift":1:1 parent [[STACKSCOPE1]] }
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// CHECK-LABEL: sil [ossa] @loadFromStack : $@convention(thin) (Int) -> Builtin.Int32 {
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// CHECK: bb0(%0 : $Int):
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// CHECK: [[STACK:%.*]] = alloc_stack $Int
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// CHECK: struct_element_addr [[STACK]] : $*Int, #Int._value
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// CHECK: load [trivial] %{{.*}} : $*Builtin.Int32, loc "./loadFromStack.swift":2:1, scope [[STACKSCOPE1]]
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// CHECK: debug_value [[STACK]] : $*Int, let, name "sVar", loc "./loadFromStack.swift":3:1, scope [[STACKSCOPE2]]
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// CHECK-LABEL: } // end sil function 'loadFromStack'
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sil [ossa] @loadFromStack : $@convention(thin) (Int) -> Builtin.Int32 {
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bb0(%0 : $Int):
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debug_value %0 : $Int, let, name "s", argno 1
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%2 = alloc_stack $Int
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%3 = alloc_stack $Int
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store %0 to [trivial] %3 : $*Int
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%5 = function_ref @storeToStack : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
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%6 = apply %5<Int>(%2, %3) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> @out τ_0_0
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dealloc_stack %3 : $*Int
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%8 = load [trivial] %2 : $*Int, loc "./loadFromStack.swift":2:1, scope 20
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debug_value %8 : $Int, let, name "sVar", loc "./loadFromStack.swift":3:1, scope 21
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dealloc_stack %2 : $*Int
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%11 = struct_extract %8 : $Int, #Int._value
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return %11 : $Builtin.Int32
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}
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