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1; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s2; Make sure dbg_value reports something for argument registers when they are split into multiple registers3 4define hidden <4 x float> @split_v4f32_arg(<4 x float> returned %arg) local_unnamed_addr #0 !dbg !7 {5; GCN-LABEL: split_v4f32_arg:6; GCN: .Lfunc_begin0:7; GCN-NEXT: .file 08; GCN-NEXT: .loc 0 3 0 ; /tmp/dbg.cl:3:09; GCN-NEXT: .cfi_sections .debug_frame10; GCN-NEXT: .cfi_startproc11; GCN-NEXT: ; %bb.0:12; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 96 32] $vgpr313; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 64 32] $vgpr214; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr115; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr016; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)17; GCN-NEXT: .Ltmp0:18; GCN-NEXT: .loc 0 4 5 prologue_end ; /tmp/dbg.cl:4:519; GCN-NEXT: s_setpc_b64 s[30:31]20; GCN-NEXT: .Ltmp1:21; GCN: .cfi_endproc22 call void @llvm.dbg.value(metadata <4 x float> %arg, metadata !18, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !1923 ret <4 x float> %arg, !dbg !2024}25 26define hidden <4 x float> @split_v4f32_multi_arg(<4 x float> %arg0, <2 x float> %arg1) local_unnamed_addr #0 !dbg !21 {27; GCN-LABEL: split_v4f32_multi_arg:28; GCN: .Lfunc_begin1:29; GCN-NEXT: .loc 0 7 0 ; /tmp/dbg.cl:7:030; GCN-NEXT: .cfi_startproc31; GCN-NEXT: ; %bb.0:32; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_multi_arg:arg1 <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr533; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_multi_arg:arg1 <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr434; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_multi_arg:arg0 <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 96 32] $vgpr335; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_multi_arg:arg0 <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 64 32] $vgpr236; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_multi_arg:arg0 <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr137; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_multi_arg:arg0 <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr038; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)39; GCN-NEXT: .Ltmp2:40; GCN-NEXT: .loc 0 8 17 prologue_end ; /tmp/dbg.cl:8:1741; GCN-NEXT: v_add_f32_e32 v0, v4, v042; GCN-NEXT: .Ltmp3:43; GCN-NEXT: v_add_f32_e32 v1, v5, v144; GCN-NEXT: .Ltmp4:45; GCN-NEXT: v_add_f32_e32 v2, v4, v246; GCN-NEXT: .Ltmp5:47; GCN-NEXT: v_add_f32_e32 v3, v5, v348; GCN-NEXT: .Ltmp6:49; GCN-NEXT: .loc 0 8 5 is_stmt 0 ; /tmp/dbg.cl:8:550; GCN-NEXT: s_setpc_b64 s[30:31]51; GCN-NEXT: .Ltmp7:52; GCN: .cfi_endproc53 call void @llvm.dbg.value(metadata <4 x float> %arg0, metadata !29, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !3154 call void @llvm.dbg.value(metadata <2 x float> %arg1, metadata !30, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !3155 %tmp = shufflevector <2 x float> %arg1, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>, !dbg !3256 %add = fadd <4 x float> %tmp, %arg0, !dbg !3357 ret <4 x float> %add, !dbg !3458}59 60define hidden <4 x half> @split_v4f16_arg(<4 x half> returned %arg) local_unnamed_addr #0 !dbg !35 {61; GCN-LABEL: split_v4f16_arg:62; GCN: .Lfunc_begin2:63; GCN-NEXT: .loc 0 11 0 is_stmt 1 ; /tmp/dbg.cl:11:064; GCN-NEXT: .cfi_startproc65; GCN-NEXT: ; %bb.0:66; GCN-NEXT: ;DEBUG_VALUE: split_v4f16_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr167; GCN-NEXT: ;DEBUG_VALUE: split_v4f16_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr068; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)69; GCN-NEXT: .Ltmp8:70; GCN-NEXT: .loc 0 12 5 prologue_end ; /tmp/dbg.cl:12:571; GCN-NEXT: s_setpc_b64 s[30:31]72; GCN-NEXT: .Ltmp9:73; GCN: .cfi_endproc74 call void @llvm.dbg.value(metadata <4 x half> %arg, metadata !42, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !4375 ret <4 x half> %arg, !dbg !4476}77 78define hidden double @split_f64_arg(double returned %arg) local_unnamed_addr #0 !dbg !45 {79; GCN-LABEL: split_f64_arg:80; GCN: .Lfunc_begin3:81; GCN-NEXT: .loc 0 15 0 ; /tmp/dbg.cl:15:082; GCN-NEXT: .cfi_startproc83; GCN-NEXT: ; %bb.0:84; GCN-NEXT: ;DEBUG_VALUE: split_f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr185; GCN-NEXT: ;DEBUG_VALUE: split_f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr086; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)87; GCN-NEXT: .Ltmp10:88; GCN-NEXT: .loc 0 16 5 prologue_end ; /tmp/dbg.cl:16:589; GCN-NEXT: s_setpc_b64 s[30:31]90; GCN-NEXT: .Ltmp11:91; GCN: .cfi_endproc92 call void @llvm.dbg.value(metadata double %arg, metadata !50, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !5193 ret double %arg, !dbg !5294}95 96define hidden <2 x double> @split_v2f64_arg(<2 x double> returned %arg) local_unnamed_addr #0 !dbg !53 {97; GCN-LABEL: split_v2f64_arg:98; GCN: .Lfunc_begin4:99; GCN-NEXT: .loc 0 19 0 ; /tmp/dbg.cl:19:0100; GCN-NEXT: .cfi_startproc101; GCN-NEXT: ; %bb.0:102; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 96 32] $vgpr3103; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 64 32] $vgpr2104; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr1105; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0106; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)107; GCN-NEXT: .Ltmp12:108; GCN-NEXT: .loc 0 20 5 prologue_end ; /tmp/dbg.cl:20:5109; GCN-NEXT: s_setpc_b64 s[30:31]110; GCN-NEXT: .Ltmp13:111; GCN: .cfi_endproc112 call void @llvm.dbg.value(metadata <2 x double> %arg, metadata !59, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !60113 ret <2 x double> %arg, !dbg !61114}115 116define hidden i64 @split_i64_arg(i64 returned %arg) local_unnamed_addr #0 !dbg !62 {117; GCN-LABEL: split_i64_arg:118; GCN: .Lfunc_begin5:119; GCN-NEXT: .loc 0 23 0 ; /tmp/dbg.cl:23:0120; GCN-NEXT: .cfi_startproc121; GCN-NEXT: ; %bb.0:122; GCN-NEXT: ;DEBUG_VALUE: split_i64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr1123; GCN-NEXT: ;DEBUG_VALUE: split_i64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0124; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)125; GCN-NEXT: .Ltmp14:126; GCN-NEXT: .loc 0 24 5 prologue_end ; /tmp/dbg.cl:24:5127; GCN-NEXT: s_setpc_b64 s[30:31]128; GCN-NEXT: .Ltmp15:129; GCN: .cfi_endproc130 call void @llvm.dbg.value(metadata i64 %arg, metadata !67, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !68131 ret i64 %arg, !dbg !69132}133 134define hidden ptr addrspace(1) @split_ptr_arg(ptr addrspace(1) readnone returned %arg) local_unnamed_addr #0 !dbg !70 {135; GCN-LABEL: split_ptr_arg:136; GCN: .Lfunc_begin6:137; GCN-NEXT: .loc 0 27 0 ; /tmp/dbg.cl:27:0138; GCN-NEXT: .cfi_startproc139; GCN-NEXT: ; %bb.0:140; GCN-NEXT: ;DEBUG_VALUE: split_ptr_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr1141; GCN-NEXT: ;DEBUG_VALUE: split_ptr_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0142; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)143; GCN-NEXT: .Ltmp16:144; GCN-NEXT: .loc 0 28 5 prologue_end ; /tmp/dbg.cl:28:5145; GCN-NEXT: s_setpc_b64 s[30:31]146; GCN-NEXT: .Ltmp17:147; GCN: .cfi_endproc148 call void @llvm.dbg.value(metadata ptr addrspace(1) %arg, metadata !76, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !77149 ret ptr addrspace(1) %arg, !dbg !78150}151 152declare void @llvm.dbg.value(metadata, metadata, metadata) #1153 154attributes #0 = { norecurse nounwind readnone }155attributes #1 = { nounwind readnone speculatable }156 157!llvm.dbg.cu = !{!0}158!llvm.module.flags = !{!3, !4, !5, !6}159 160!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0 (trunk 365209) (llvm/trunk 365206)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)161!1 = !DIFile(filename: "/tmp/dbg.cl", directory: "/Users/matt/src/llvm", checksumkind: CSK_MD5, checksum: "0f834f91e91489a5ff6308040ddbd175")162!2 = !{}163!3 = !{i32 2, !"Dwarf Version", i32 5}164!4 = !{i32 2, !"Debug Info Version", i32 3}165!5 = !{i32 1, !"wchar_size", i32 4}166!6 = !{i32 7, !"PIC Level", i32 1}167!7 = distinct !DISubprogram(name: "split_v4f32_arg", scope: !8, file: !8, line: 3, type: !9, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)168!8 = !DIFile(filename: "/tmp/dbg.cl", directory: "", checksumkind: CSK_MD5, checksum: "0f834f91e91489a5ff6308040ddbd175")169!9 = !DISubroutineType(types: !10)170!10 = !{!11, !11}171!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "float4", file: !12, line: 107, baseType: !13)172!12 = !DIFile(filename: "build_debug/lib/clang/9.0.0/include/opencl-c-base.h", directory: "/Users/matt/src/llvm", checksumkind: CSK_MD5, checksum: "9526a66ac52220225f05e11186d7e461")173!13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 128, flags: DIFlagVector, elements: !15)174!14 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)175!15 = !{!16}176!16 = !DISubrange(count: 4)177!17 = !{!18}178!18 = !DILocalVariable(name: "arg", arg: 1, scope: !7, file: !8, line: 3, type: !11)179!19 = !DILocation(line: 0, scope: !7)180!20 = !DILocation(line: 4, column: 5, scope: !7)181!21 = distinct !DISubprogram(name: "split_v4f32_multi_arg", scope: !8, file: !8, line: 7, type: !22, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !28)182!22 = !DISubroutineType(types: !23)183!23 = !{!11, !11, !24}184!24 = !DIDerivedType(tag: DW_TAG_typedef, name: "float2", file: !12, line: 105, baseType: !25)185!25 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 64, flags: DIFlagVector, elements: !26)186!26 = !{!27}187!27 = !DISubrange(count: 2)188!28 = !{!29, !30}189!29 = !DILocalVariable(name: "arg0", arg: 1, scope: !21, file: !8, line: 7, type: !11)190!30 = !DILocalVariable(name: "arg1", arg: 2, scope: !21, file: !8, line: 7, type: !24)191!31 = !DILocation(line: 0, scope: !21)192!32 = !DILocation(line: 8, column: 19, scope: !21)193!33 = !DILocation(line: 8, column: 17, scope: !21)194!34 = !DILocation(line: 8, column: 5, scope: !21)195!35 = distinct !DISubprogram(name: "split_v4f16_arg", scope: !8, file: !8, line: 11, type: !36, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !41)196!36 = !DISubroutineType(types: !37)197!37 = !{!38, !38}198!38 = !DIDerivedType(tag: DW_TAG_typedef, name: "half4", file: !12, line: 114, baseType: !39)199!39 = !DICompositeType(tag: DW_TAG_array_type, baseType: !40, size: 64, flags: DIFlagVector, elements: !15)200!40 = !DIBasicType(name: "half", size: 16, encoding: DW_ATE_float)201!41 = !{!42}202!42 = !DILocalVariable(name: "arg", arg: 1, scope: !35, file: !8, line: 11, type: !38)203!43 = !DILocation(line: 0, scope: !35)204!44 = !DILocation(line: 12, column: 5, scope: !35)205!45 = distinct !DISubprogram(name: "split_f64_arg", scope: !8, file: !8, line: 15, type: !46, scopeLine: 15, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !49)206!46 = !DISubroutineType(types: !47)207!47 = !{!48, !48}208!48 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)209!49 = !{!50}210!50 = !DILocalVariable(name: "arg", arg: 1, scope: !45, file: !8, line: 15, type: !48)211!51 = !DILocation(line: 0, scope: !45)212!52 = !DILocation(line: 16, column: 5, scope: !45)213!53 = distinct !DISubprogram(name: "split_v2f64_arg", scope: !8, file: !8, line: 19, type: !54, scopeLine: 19, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !58)214!54 = !DISubroutineType(types: !55)215!55 = !{!56, !56}216!56 = !DIDerivedType(tag: DW_TAG_typedef, name: "double2", file: !12, line: 122, baseType: !57)217!57 = !DICompositeType(tag: DW_TAG_array_type, baseType: !48, size: 128, flags: DIFlagVector, elements: !26)218!58 = !{!59}219!59 = !DILocalVariable(name: "arg", arg: 1, scope: !53, file: !8, line: 19, type: !56)220!60 = !DILocation(line: 0, scope: !53)221!61 = !DILocation(line: 20, column: 5, scope: !53)222!62 = distinct !DISubprogram(name: "split_i64_arg", scope: !8, file: !8, line: 23, type: !63, scopeLine: 23, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !66)223!63 = !DISubroutineType(types: !64)224!64 = !{!65, !65}225!65 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)226!66 = !{!67}227!67 = !DILocalVariable(name: "arg", arg: 1, scope: !62, file: !8, line: 23, type: !65)228!68 = !DILocation(line: 0, scope: !62)229!69 = !DILocation(line: 24, column: 5, scope: !62)230!70 = distinct !DISubprogram(name: "split_ptr_arg", scope: !8, file: !8, line: 27, type: !71, scopeLine: 27, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !75)231!71 = !DISubroutineType(types: !72)232!72 = !{!73, !73}233!73 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !74, size: 64)234!74 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)235!75 = !{!76}236!76 = !DILocalVariable(name: "arg", arg: 1, scope: !70, file: !8, line: 27, type: !73)237!77 = !DILocation(line: 0, scope: !70)238!78 = !DILocation(line: 28, column: 5, scope: !70)239