da0f9e75d8
Reland https://github.com/llvm/llvm-project/pull/106230 The original PR was reverted due to compilation time regression. This PR fixed that by adding a condition OutStreamer->isVerboseAsm() to the generation of extra inlined-at debug info, so that it does not affect normal compilation time. Currently MC print source location of instructions in comments in assembly when debug info is available, however, it does not include inlined-at locations when a function is inlined. For example, function foo is defined in header file a.h and is called multiple times in b.cpp. If foo is inlined, current assembly will only show its instructions with their line numbers in a.h. With inlined-at locations, the assembly will also show where foo is called in b.cpp. This patch adds inlined-at locations to the comments by using DebugLoc::print. It makes the printed source location info consistent with those printed by machine passes.
67 lines
3.3 KiB
LLVM
67 lines
3.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 < %s | FileCheck %s
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define amdgpu_kernel void @_Z3fooPiiii(ptr addrspace(1) nocapture noundef writeonly %c.coerce, i32 noundef %a, i32 noundef %b, i32 noundef %d) !dbg !9 {
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; CHECK-LABEL: _Z3fooPiiii:
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; CHECK: .Lfunc_begin0:
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; CHECK-NEXT: .file 0 "test" "a.hip" md5 0x004a28df8cfd98cdd2c71d5d814d9c6b
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; CHECK-NEXT: .cfi_sections .debug_frame
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; CHECK-NEXT: .cfi_startproc
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; CHECK-NEXT: ; %bb.0: ; %entry
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; CHECK-NEXT: .file 1 "." "a.h"
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; CHECK-NEXT: .loc 1 5 12 prologue_end ; ./a.h:5:12 @[ a.hip:12:8 ]
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; CHECK-NEXT: s_load_dwordx4 s[0:3], s[8:9], 0x8
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; CHECK-NEXT: s_load_dwordx2 s[4:5], s[8:9], 0x0
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; CHECK-NEXT: v_mov_b32_e32 v0, 0
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: s_add_i32 s1, s1, s0
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; CHECK-NEXT: .Ltmp0:
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; CHECK-NEXT: .loc 1 5 12 is_stmt 0 ; ./a.h:5:12 @[ a.hip:13:9 ]
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; CHECK-NEXT: s_add_i32 s0, s2, s0
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; CHECK-NEXT: .Ltmp1:
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; CHECK-NEXT: .file 2 "a.hip"
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; CHECK-NEXT: .loc 2 13 6 is_stmt 1 ; a.hip:13:6
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; CHECK-NEXT: s_mul_i32 s0, s0, s1
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; CHECK-NEXT: v_mov_b32_e32 v1, s0
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; CHECK-NEXT: global_store_dword v0, v1, s[4:5]
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; CHECK-NEXT: .loc 2 14 1 ; a.hip:14:1
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; CHECK-NEXT: s_endpgm
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; CHECK-NEXT: .Ltmp2:
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entry:
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%add.i = add nsw i32 %b, %a, !dbg !13
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%add.i3 = add nsw i32 %d, %a, !dbg !17
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%mul = mul nsw i32 %add.i3, %add.i, !dbg !19
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store i32 %mul, ptr addrspace(1) %c.coerce, align 4, !dbg !19, !tbaa !20
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ret void, !dbg !24
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3, !4, !5, !6, !7}
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!llvm.ident = !{!8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 20.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "a.hip", directory: "test", checksumkind: CSK_MD5, checksum: "004a28df8cfd98cdd2c71d5d814d9c6b")
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!2 = !{i32 1, !"amdhsa_code_object_version", i32 500}
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!3 = !{i32 1, !"amdgpu_printf_kind", !"hostcall"}
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!4 = !{i32 7, !"Dwarf Version", i32 5}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = !{i32 1, !"wchar_size", i32 4}
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!7 = !{i32 8, !"PIC Level", i32 2}
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!8 = !{!"clang version 20.0.0"}
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!9 = distinct !DISubprogram(name: "foo", scope: !10, file: !10, line: 11, type: !11, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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!10 = !DIFile(filename: "a.hip", directory: "test")
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!11 = !DISubroutineType(types: !12)
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!12 = !{}
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!13 = !DILocation(line: 5, column: 12, scope: !14, inlinedAt: !16)
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!14 = distinct !DISubprogram(name: "bar", scope: !15, file: !15, line: 4, type: !11, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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!15 = !DIFile(filename: "./a.h", directory: "test")
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!16 = distinct !DILocation(line: 12, column: 8, scope: !9)
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!17 = !DILocation(line: 5, column: 12, scope: !14, inlinedAt: !18)
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!18 = distinct !DILocation(line: 13, column: 9, scope: !9)
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!19 = !DILocation(line: 13, column: 6, scope: !9)
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!20 = !{!21, !21, i64 0}
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!21 = !{!"int", !22, i64 0}
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!22 = !{!"omnipotent char", !23, i64 0}
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!23 = !{!"Simple C++ TBAA"}
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!24 = !DILocation(line: 14, column: 1, scope: !9)
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