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basic.swift
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// A (no longer) basic test for debug info.
// --------------------------------------------------------------------
// Verify that we don't emit any debug info by default.
// RUN: %target-swift-frontend %s -emit-ir -o - | FileCheck %s --check-prefix NDEBUG
// NDEBUG-NOT: !dbg
// NDEBUG-NOT: DW_TAG
// --------------------------------------------------------------------
// Verify that we don't emit any debug info with -gnone.
// RUN: %target-swift-frontend %s -emit-ir -gnone -o - | FileCheck %s --check-prefix NDEBUG
// --------------------------------------------------------------------
// Verify that we don't emit any type info with -gline-tables-only.
// RUN: %target-swift-frontend %s -emit-ir -gline-tables-only -o - | FileCheck %s --check-prefix CHECK-LINETABLES
// CHECK: !dbg
// CHECK-LINETABLES-NOT: DW_TAG_{{.*}}variable
// CHECK-LINETABLES-NOT: DW_TAG_structure_type
// CHECK-LINETABLES-NOT: DW_TAG_basic_type
// --------------------------------------------------------------------
// Now check that we do generate line+scope info with -g.
// RUN: %target-swift-frontend %s -emit-ir -g -o - | FileCheck %s
// RUN: %target-swift-frontend %s -emit-ir -g -o - -disable-sil-linking | FileCheck %s --check-prefix=CHECK-NOSIL
// --------------------------------------------------------------------
//
// CHECK: foo
// CHECK-DAG: ret{{.*}}, !dbg ![[RET:[0-9]+]]
// CHECK-DAG: ![[FOO:[0-9]+]] = distinct !DISubprogram(name: "foo",{{.*}} line: [[@LINE+2]],{{.*}} type: ![[FOOTYPE:[0-9]+]]
public
func foo(_ a: Int64, _ b: Int64) -> Int64 {
var a = a
var b = b
// CHECK-DAG: !DILexicalBlock(scope: ![[FOO]],{{.*}} line: [[@LINE-3]], column: 43)
// CHECK-DAG: ![[ASCOPE:.*]] = !DILocation(line: [[@LINE-4]], column: 10, scope: ![[FOO]])
// Check that a is the first and b is the second argument.
// CHECK-DAG: store i64 %0, i64* [[AADDR:.*]], align
// CHECK-DAG: store i64 %1, i64* [[BADDR:.*]], align
// CHECK-DAG: [[AVAL:%.*]] = getelementptr inbounds {{.*}}, [[AMEM:.*]], i32 0, i32 0
// CHECK-DAG: [[BVAL:%.*]] = getelementptr inbounds {{.*}}, [[BMEM:.*]], i32 0, i32 0
// CHECK-DAG: call void @llvm.dbg.declare(metadata i64* [[AADDR]], metadata ![[AARG:.*]], metadata !{{[0-9]+}}), !dbg ![[ASCOPE]]
// CHECK-DAG: call void @llvm.dbg.declare(metadata i64* [[BADDR]], metadata ![[BARG:.*]], metadata !{{[0-9]+}})
// CHECK-DAG: ![[AARG]] = !DILocalVariable(name: "a", arg: 1
// CHECK-DAG: ![[BARG]] = !DILocalVariable(name: "b", arg: 2
if b != 0 {
// CHECK-DAG: !DILexicalBlock({{.*}} line: [[@LINE-1]]
// Transparent inlined multiply:
// CHECK-DAG: smul{{.*}}, !dbg ![[MUL:[0-9]+]]
// CHECK-DAG: [[MUL]] = !DILocation(line: [[@LINE+4]], column: 16,
// Runtime call to multiply function:
// CHECK-NOSIL: @_TZFsoi1mFTVs5Int64S__S_{{.*}}, !dbg ![[MUL:[0-9]+]]
// CHECK-NOSIL: [[MUL]] = !DILocation(line: [[@LINE+1]], column: 16,
return a*b
} else {
// CHECK-DAG: ![[PARENT:[0-9]+]] = distinct !DILexicalBlock({{.*}} line: [[@LINE-1]], column: 13)
var c: Int64 = 42
// CHECK-DAG: ![[CONDITION:[0-9]+]] = distinct !DILexicalBlock(scope: ![[PARENT]], {{.*}}, line: [[@LINE+1]],
if a == 0 {
// CHECK-DAG: !DILexicalBlock(scope: ![[CONDITION]], {{.*}}, line: [[@LINE-1]], column: 18)
// What about a nested scope?
return 0
}
return c
}
}
// CHECK-DAG: ![[FILE_CWD:[0-9]+]] = !DIFile(filename: "{{.*}}DebugInfo/basic.swift", directory: "{{.*}}")
// CHECK-DAG: ![[MAINFILE:[0-9]+]] = !DIFile(filename: "basic.swift", directory: "{{.*}}DebugInfo")
// CHECK-DAG: !DICompileUnit(language: DW_LANG_Swift, file: ![[FILE_CWD]],{{.*}} producer: "{{.*}}Swift version{{.*}},{{.*}} flags: "{{[^"]*}}-emit-ir
// CHECK-DAG: !DISubprogram(name: "main"
// Function type for foo.
// CHECK-DAG: ![[FOOTYPE]] = !DISubroutineType(types: ![[PARAMTYPES:[0-9]+]])
// CHECK-DAG: ![[INT64:.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Int64", {{.*}}, identifier: "_TtVs5Int64")
// CHECK-DAG: ![[PARAMTYPES]] = !{![[INT64]], ![[INT64]], ![[INT64]]}
// Import of the main module with the implicit name.
// CHECK-DAG: !DIImportedEntity(tag: DW_TAG_imported_module, scope: ![[MAINFILE]], entity: ![[MAINMODULE:[0-9]+]], line: 1)
// CHECK-DAG: ![[MAINMODULE]] = !DIModule({{.*}}, name: "basic"
// DWARF Version
// CHECK-DAG: i32 2, !"Dwarf Version", i32 3}
// Debug Info Version
// CHECK-DAG: i32 2, !"Debug Info Version", i32