1; RUN: llc %s -start-after=codegenprepare -stop-before=finalize-isel -o - | FileCheck --check-prefixes=CHECK,DAG %s
2; RUN: llc %s -fast-isel=true -start-after=codegenprepare -stop-before=finalize-isel -o - | FileCheck --check-prefixes=CHECK,FAST %s
3; RUN: llc %s -global-isel=true -start-after=codegenprepare -stop-before=finalize-isel -o - | FileCheck --check-prefixes=CHECK,GLOBAL %s
4
5;; Test that a dbg.value that uses a DIArgList is correctly converted to a
6;; DBG_VALUE_LIST that uses the registers corresponding to its operands.
7
8; CHECK-DAG: [[A_VAR:![0-9]+]] = !DILocalVariable(name: "a"
9; CHECK-DAG: [[B_VAR:![0-9]+]] = !DILocalVariable(name: "b"
10; CHECK-DAG: [[C_VAR:![0-9]+]] = !DILocalVariable(name: "c"
11; CHECK-LABEL: bb.{{(0|1)}}.entry
12; DAG-DAG: DBG_VALUE_LIST [[A_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), %0, debug-location
13; DAG-DAG: DBG_VALUE_LIST [[B_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), %1, debug-location
14; DAG: DBG_VALUE_LIST [[C_VAR]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus), %0, %1, debug-location
15; FAST-DAG: DBG_VALUE $noreg, $noreg, [[A_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), debug-location
16; FAST-DAG: DBG_VALUE $noreg, $noreg, [[B_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), debug-location
17; FAST: DBG_VALUE $noreg, $noreg, [[C_VAR]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus), debug-location
18; GLOBAL-DAG: DBG_VALUE $noreg, 0, [[A_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), debug-location
19; GLOBAL-DAG: DBG_VALUE $noreg, 0, [[B_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), debug-location
20; GLOBAL: DBG_VALUE $noreg, 0, [[C_VAR]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus), debug-location
21
22target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
23target triple = "x86_64-pc-windows-msvc19.16.27034"
24
25define dso_local i32 @"?foo@@YAHHH@Z"(i32 %a, i32 %b) local_unnamed_addr !dbg !8 {
26entry:
27  call void @llvm.dbg.value(metadata !DIArgList(i32 %b), metadata !14, metadata !DIExpression(DW_OP_LLVM_arg, 0)), !dbg !17
28  call void @llvm.dbg.value(metadata !DIArgList(i32 %a), metadata !15, metadata !DIExpression(DW_OP_LLVM_arg, 0)), !dbg !17
29  call void @llvm.dbg.value(metadata !DIArgList(i32 %a, i32 %b), metadata !16, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus)), !dbg !17
30  %mul = mul nsw i32 %b, %a, !dbg !18
31  ret i32 %mul, !dbg !18
32}
33
34declare void @llvm.dbg.value(metadata, metadata, metadata)
35
36!llvm.dbg.cu = !{!0}
37!llvm.module.flags = !{!3, !4, !5, !6}
38!llvm.ident = !{!7}
39
40!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
41!1 = !DIFile(filename: "debug_value_list_selectiondag.cpp", directory: "/")
42!2 = !{}
43!3 = !{i32 2, !"CodeView", i32 1}
44!4 = !{i32 2, !"Debug Info Version", i32 3}
45!5 = !{i32 1, !"wchar_size", i32 2}
46!6 = !{i32 7, !"PIC Level", i32 2}
47!7 = !{!"clang version 11.0.0"}
48!8 = distinct !DISubprogram(name: "foo", linkageName: "?foo@@YAHHH@Z", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13)
49!9 = !DIFile(filename: ".\\debug_value_list.cpp", directory: "/tmp")
50!10 = !DISubroutineType(types: !11)
51!11 = !{!12, !12, !12}
52!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
53!13 = !{!14, !15, !16}
54!14 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !9, line: 1, type: !12)
55!15 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !9, line: 1, type: !12)
56!16 = !DILocalVariable(name: "c", scope: !8, file: !9, line: 2, type: !12)
57!17 = !DILocation(line: 0, scope: !8)
58!18 = !DILocation(line: 3, scope: !8)
59