; RUN: llc %s -start-after=codegenprepare -stop-before=finalize-isel -o - | FileCheck %s | |
;; Test that a dbg.value that uses a DIArgList is correctly converted to a | |
;; DBG_VALUE_LIST that uses the registers corresponding to its operands. | |
; CHECK-DAG: [[A_VAR:![0-9]+]] = !DILocalVariable(name: "a" | |
; CHECK-DAG: [[B_VAR:![0-9]+]] = !DILocalVariable(name: "b" | |
; CHECK-DAG: [[C_VAR:![0-9]+]] = !DILocalVariable(name: "c" | |
; CHECK-LABEL: bb.0.entry | |
; CHECK-DAG: DBG_VALUE_LIST [[A_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), %0, debug-location | |
; CHECK-DAG: DBG_VALUE_LIST [[B_VAR]], !DIExpression(DW_OP_LLVM_arg, 0), %1, debug-location | |
; CHECK: DBG_VALUE_LIST [[C_VAR]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus), %0, %1, debug-location | |
target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" | |
target triple = "x86_64-pc-windows-msvc19.16.27034" | |
define dso_local i32 @"?foo@@YAHHH@Z"(i32 %a, i32 %b) local_unnamed_addr !dbg !8 { | |
entry: | |
call void @llvm.dbg.value(metadata !DIArgList(i32 %b), metadata !14, metadata !DIExpression(DW_OP_LLVM_arg, 0)), !dbg !17 | |
call void @llvm.dbg.value(metadata !DIArgList(i32 %a), metadata !15, metadata !DIExpression(DW_OP_LLVM_arg, 0)), !dbg !17 | |
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 | |
%mul = mul nsw i32 %b, %a, !dbg !18 | |
ret i32 %mul, !dbg !18 | |
} | |
declare void @llvm.dbg.value(metadata, metadata, metadata) | |
!llvm.dbg.cu = !{!0} | |
!llvm.module.flags = !{!3, !4, !5, !6} | |
!llvm.ident = !{!7} | |
!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) | |
!1 = !DIFile(filename: "debug_value_list_selectiondag.cpp", directory: "/") | |
!2 = !{} | |
!3 = !{i32 2, !"CodeView", i32 1} | |
!4 = !{i32 2, !"Debug Info Version", i32 3} | |
!5 = !{i32 1, !"wchar_size", i32 2} | |
!6 = !{i32 7, !"PIC Level", i32 2} | |
!7 = !{!"clang version 11.0.0"} | |
!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) | |
!9 = !DIFile(filename: ".\\debug_value_list.cpp", directory: "/tmp") | |
!10 = !DISubroutineType(types: !11) | |
!11 = !{!12, !12, !12} | |
!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) | |
!13 = !{!14, !15, !16} | |
!14 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !9, line: 1, type: !12) | |
!15 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !9, line: 1, type: !12) | |
!16 = !DILocalVariable(name: "c", scope: !8, file: !9, line: 2, type: !12) | |
!17 = !DILocation(line: 0, scope: !8) | |
!18 = !DILocation(line: 3, scope: !8) |