1; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s 2; Make sure dbg_value reports something for argument registers when they are split into multiple registers 3 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 0 8; GCN-NEXT: .loc 0 3 0 ; /tmp/dbg.cl:3:0 9; GCN-NEXT: .cfi_sections .debug_frame 10; GCN-NEXT: .cfi_startproc 11; 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] $vgpr3 13; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 64 32] $vgpr2 14; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr1 15; GCN-NEXT: ;DEBUG_VALUE: split_v4f32_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0 16; 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:4:5 19; GCN-NEXT: s_setpc_b64 s[30:31] 20; GCN-NEXT: .Ltmp1: 21; GCN: .cfi_endproc 22 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 !19 23 ret <4 x float> %arg, !dbg !20 24} 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:7:0 30; GCN-NEXT: .cfi_startproc 31; 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] $vgpr5 33; 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] $vgpr4 34; 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] $vgpr3 35; 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] $vgpr2 36; 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] $vgpr1 37; 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] $vgpr0 38; 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:8:17 41; GCN-NEXT: v_add_f32_e32 v0, v4, v0 42; GCN-NEXT: .Ltmp3: 43; GCN-NEXT: v_add_f32_e32 v1, v5, v1 44; GCN-NEXT: .Ltmp4: 45; GCN-NEXT: v_add_f32_e32 v2, v4, v2 46; GCN-NEXT: .Ltmp5: 47; GCN-NEXT: v_add_f32_e32 v3, v5, v3 48; GCN-NEXT: .Ltmp6: 49; GCN-NEXT: .loc 0 8 5 is_stmt 0 ; /tmp/dbg.cl:8:5 50; GCN-NEXT: s_setpc_b64 s[30:31] 51; GCN-NEXT: .Ltmp7: 52; GCN: .cfi_endproc 53 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 !31 54 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 !31 55 %tmp = shufflevector <2 x float> %arg1, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>, !dbg !32 56 %add = fadd <4 x float> %tmp, %arg0, !dbg !33 57 ret <4 x float> %add, !dbg !34 58} 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:11:0 64; GCN-NEXT: .cfi_startproc 65; 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] $vgpr1 67; GCN-NEXT: ;DEBUG_VALUE: split_v4f16_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0 68; 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:12:5 71; GCN-NEXT: s_setpc_b64 s[30:31] 72; GCN-NEXT: .Ltmp9: 73; GCN: .cfi_endproc 74 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 !43 75 ret <4 x half> %arg, !dbg !44 76} 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:15:0 82; GCN-NEXT: .cfi_startproc 83; 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] $vgpr1 85; GCN-NEXT: ;DEBUG_VALUE: split_f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0 86; 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:16:5 89; GCN-NEXT: s_setpc_b64 s[30:31] 90; GCN-NEXT: .Ltmp11: 91; GCN: .cfi_endproc 92 call void @llvm.dbg.value(metadata double %arg, metadata !50, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !51 93 ret double %arg, !dbg !52 94} 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:19:0 100; GCN-NEXT: .cfi_startproc 101; 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] $vgpr3 103; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 64 32] $vgpr2 104; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 32 32] $vgpr1 105; GCN-NEXT: ;DEBUG_VALUE: split_v2f64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0 106; 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:20:5 109; GCN-NEXT: s_setpc_b64 s[30:31] 110; GCN-NEXT: .Ltmp13: 111; GCN: .cfi_endproc 112 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 !60 113 ret <2 x double> %arg, !dbg !61 114} 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:23:0 120; GCN-NEXT: .cfi_startproc 121; 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] $vgpr1 123; GCN-NEXT: ;DEBUG_VALUE: split_i64_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0 124; 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:24:5 127; GCN-NEXT: s_setpc_b64 s[30:31] 128; GCN-NEXT: .Ltmp15: 129; GCN: .cfi_endproc 130 call void @llvm.dbg.value(metadata i64 %arg, metadata !67, metadata !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)), !dbg !68 131 ret i64 %arg, !dbg !69 132} 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:27:0 138; GCN-NEXT: .cfi_startproc 139; 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] $vgpr1 141; GCN-NEXT: ;DEBUG_VALUE: split_ptr_arg:arg <- [DW_OP_constu 1, DW_OP_swap, DW_OP_xderef, DW_OP_LLVM_fragment 0 32] $vgpr0 142; 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:28:5 145; GCN-NEXT: s_setpc_b64 s[30:31] 146; GCN-NEXT: .Ltmp17: 147; GCN: .cfi_endproc 148 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 !77 149 ret ptr addrspace(1) %arg, !dbg !78 150} 151 152declare void @llvm.dbg.value(metadata, metadata, metadata) #1 153 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