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https://github.com/apple/swift.git
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Emil Pedersen
b6f15a9ea0
Add type-chain checks and other SIL verifier checks for debug_value transform blocks. Assisted-by: Claude
71 lines
2.8 KiB
Plaintext
71 lines
2.8 KiB
Plaintext
// RUN: %target-sil-opt -sil-print-types -verify-debug-value-expr -verify-continue-on-failure -o /dev/null %s 2>&1 | %FileCheck %s
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// REQUIRES: asserts
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sil_stage canonical
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import Builtin
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import Swift
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sil_scope 1 { parent @test_type_mismatch : $@convention(thin) () -> () }
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sil_scope 2 { parent @test_arg_type_mismatch : $@convention(thin) (Builtin.Int64) -> () }
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sil_scope 3 { parent @test_deref_mismatch : $@convention(thin) () -> () }
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sil_scope 4 { parent @test_no_transform_type_mismatch : $@convention(thin) (Builtin.Int32) -> () }
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// The transform block returns Builtin.Int32 but the fragment narrows to
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// Builtin.Int64.
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// CHECK-LABEL: Begin Error in function test_type_mismatch
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// CHECK: SIL verification failed: debug_value type chain should hold
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// CHECK-LABEL: End Error in function test_type_mismatch
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sil @test_type_mismatch : $@convention(thin) () -> () {
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bb0:
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debug_value undef : $Builtin.Int32, let, name "x", type $Int64, expr op_fragment:#Int64._value, transform {
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bb0:
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%0 = integer_literal $Builtin.Int32, 42
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return %0 : $Builtin.Int32
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}
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%r = tuple ()
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return %r : $()
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}
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// The block arg is Int32 but SSA operand is Int64.
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// CHECK-LABEL: Begin Error in function test_arg_type_mismatch
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// CHECK: SIL verification failed: debug_value type chain should hold
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// CHECK-LABEL: End Error in function test_arg_type_mismatch
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sil @test_arg_type_mismatch : $@convention(thin) (Builtin.Int64) -> () {
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bb0(%arg : $Builtin.Int64):
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debug_value %arg : $Builtin.Int64, let, name "x", type $Int64, expr op_fragment:#Int64._value, transform {
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bb0(%0 : $Builtin.Int32):
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%1 = integer_literal $Builtin.Int64, 10
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return %1 : $Builtin.Int64
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}
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%r = tuple ()
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return %r : $()
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}
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// Transform returns object type but op_deref is present (expects address).
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// CHECK-LABEL: Begin Error in function test_deref_mismatch
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// CHECK: SIL verification failed: debug_value type chain should hold
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// CHECK-LABEL: End Error in function test_deref_mismatch
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sil @test_deref_mismatch : $@convention(thin) () -> () {
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bb0:
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debug_value undef : $Builtin.Int64, let, name "x", type $Int64, expr op_deref:op_fragment:#Int64._value, transform {
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bb0:
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%0 = integer_literal $Builtin.Int64, 42
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return %0 : $Builtin.Int64
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}
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%r = tuple ()
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return %r : $()
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}
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// No transform: SSA type doesn't match fragment-narrowed vartype.
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// CHECK-LABEL: Begin Error in function test_no_transform_type_mismatch
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// CHECK: SIL verification failed: debug_value type chain should hold
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// CHECK-LABEL: End Error in function test_no_transform_type_mismatch
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sil @test_no_transform_type_mismatch : $@convention(thin) (Builtin.Int32) -> () {
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bb0(%arg : $Builtin.Int32):
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debug_value %arg : $Builtin.Int32, let, name "x", type $Int64, expr op_fragment:#Int64._value
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%r = tuple ()
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return %r : $()
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}
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