| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 < %s | FileCheck %s |
| |
| %struct.A = type { [100 x i32] } |
| |
| ; The 64-bit pointer argument %arg1 will be split into two registers |
| ; and for its llvm.dbg.declare, DAG should emit two DBG_VALUE instructions |
| ; with the fragment expressions. |
| define hidden void @ptr_arg_split_subregs(%struct.A* %arg1) #0 !dbg !9 { |
| ; CHECK-LABEL: ptr_arg_split_subregs: |
| ; CHECK: .Lfunc_begin0: |
| ; CHECK: .loc 1 5 0 ; example.cpp:5:0 |
| ; CHECK-NEXT: .cfi_sections .debug_frame |
| ; CHECK-NEXT: .cfi_startproc |
| ; CHECK-NEXT: ; %bb.0: |
| ; CHECK-NEXT: ;DEBUG_VALUE: ptr_arg_split_subregs:a <- [DW_OP_LLVM_fragment 32 32] [$vgpr1+0] |
| ; CHECK-NEXT: ;DEBUG_VALUE: ptr_arg_split_subregs:a <- [DW_OP_LLVM_fragment 0 32] [$vgpr0+0] |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: v_mov_b32_e32 v2, 1 |
| ; CHECK-NEXT: .Ltmp0: |
| ; CHECK-NEXT: .loc 1 7 13 prologue_end ; example.cpp:7:13 |
| ; CHECK-NEXT: flat_store_dword v[0:1], v2 offset:396 |
| ; CHECK-NEXT: .loc 1 8 5 ; example.cpp:8:5 |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: s_setpc_b64 s[30:31] |
| ; CHECK-NEXT: .Ltmp1: |
| ; CHECK: .cfi_endproc |
| call void @llvm.dbg.declare(metadata %struct.A* %arg1, metadata !20, metadata !DIExpression()), !dbg !21 |
| %gep1 = getelementptr inbounds %struct.A, %struct.A* %arg1, i32 0, i32 0, i32 99, !dbg !22 |
| store i32 1, i32* %gep1, align 4, !dbg !23 |
| ret void, !dbg !24 |
| } |
| |
| ; FIXME: The 64-bit pointer argument %arg2 will be split between a register and |
| ; the stack memory. The SelectionDAG though failed to emit the DBG_VALUE for the |
| ; split part in memory. The two DBG_VALUE instructions emitted in the output pattern |
| ; are totally misleading. The former represent part of the incoming argument in register |
| ; while the latter was emitted for the parameter copy to a virtual register inserted |
| ; at the function entry by DAGBuilder. |
| define hidden void @ptr_arg_split_reg_mem(<31 x i32>, %struct.A* %arg2) #0 !dbg !25 { |
| ; CHECK-LABEL: ptr_arg_split_reg_mem: |
| ; CHECK: .Lfunc_begin1: |
| ; CHECK-NEXT: .loc 1 10 0 ; example.cpp:10:0 |
| ; CHECK-NEXT: .cfi_startproc |
| ; CHECK-NEXT: ; %bb.0: |
| ;; NOTE: One dbg_value (DEBUG_VALUE: ptr_arg_split_reg_mem:b <- [$vgpr31+0]) will be considered as |
| ;; redundant after the virtregrewrite, so it will be removed. |
| ; CHECK-NEXT: ;DEBUG_VALUE: ptr_arg_split_reg_mem:b <- [$vgpr31+0] |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: buffer_load_dword v32, off, s[0:3], s32 |
| ; CHECK-NEXT: v_mov_b32_e32 v0, 1 |
| ; CHECK-NEXT: .Ltmp2: |
| ; CHECK-NEXT: .loc 1 12 13 prologue_end ; example.cpp:12:13 |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) |
| ; CHECK-NEXT: flat_store_dword v[31:32], v0 offset:396 |
| ; CHECK-NEXT: .loc 1 13 5 ; example.cpp:13:5 |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: s_setpc_b64 s[30:31] |
| ; CHECK-NEXT: .Ltmp3: |
| ; CHECK: .cfi_endproc |
| call void @llvm.dbg.declare(metadata %struct.A* %arg2, metadata !26, metadata !DIExpression()), !dbg !27 |
| %gep2 = getelementptr inbounds %struct.A, %struct.A* %arg2, i32 0, i32 0, i32 99, !dbg !28 |
| store i32 1, i32* %gep2, align 4, !dbg !29 |
| ret void, !dbg !30 |
| } |
| |
| ; FIXME: The 64-bit pointer argument %arg3 will be entirely in the stack memory. |
| ; No DBG_VALUE emitted for the incoming argument in this case and it should be fixed. |
| define hidden void @ptr_arg_in_memory(<32 x i32>, %struct.A* %arg3) #0 !dbg !31 { |
| ; CHECK-LABEL: ptr_arg_in_memory: |
| ; CHECK: .Lfunc_begin2: |
| ; CHECK-NEXT: .loc 1 15 0 ; example.cpp:15:0 |
| ; CHECK-NEXT: .cfi_startproc |
| ; CHECK-NEXT: ; %bb.0: |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: buffer_load_dword v1, off, s[0:3], s32 offset:4 |
| ; CHECK-NEXT: buffer_load_dword v0, off, s[0:3], s32 |
| ; CHECK-NEXT: v_mov_b32_e32 v2, 1 |
| ; CHECK-NEXT: .Ltmp4: |
| ; CHECK-NEXT: .loc 1 17 13 prologue_end ; example.cpp:17:13 |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) |
| ; CHECK-NEXT: flat_store_dword v[0:1], v2 offset:396 |
| ; CHECK-NEXT: .loc 1 18 5 ; example.cpp:18:5 |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: s_setpc_b64 s[30:31] |
| ; CHECK-NEXT: .Ltmp5: |
| ; CHECK: .cfi_endproc |
| call void @llvm.dbg.declare(metadata %struct.A* %arg3, metadata !32, metadata !DIExpression()), !dbg !33 |
| %gep3 = getelementptr inbounds %struct.A, %struct.A* %arg3, i32 0, i32 0, i32 99, !dbg !34 |
| store i32 1, i32* %gep3, align 4, !dbg !35 |
| ret void, !dbg !36 |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 |
| |
| attributes #0 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5, !6, !7} |
| !llvm.ident = !{!8} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "example.cpp", directory: "temp") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{i32 7, !"uwtable", i32 1} |
| !7 = !{i32 7, !"frame-pointer", i32 2} |
| !8 = !{!"clang version 13.0.0"} |
| !9 = distinct !DISubprogram(name: "ptr_arg_split_subregs", scope: !10, file: !10, line: 5, type: !11, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !10 = !DIFile(filename: "example.cpp", directory: "temp") |
| !11 = !DISubroutineType(types: !12) |
| !12 = !{!13} |
| !13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !10, line: 1, size: 3200, flags: DIFlagTypePassByValue, elements: !14, identifier: "_ZTS1A") |
| !14 = !{!15} |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !13, file: !10, line: 2, baseType: !16, size: 3200) |
| !16 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, size: 3200, elements: !18) |
| !17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !18 = !{!19} |
| !19 = !DISubrange(count: 100) |
| !20 = !DILocalVariable(name: "a", scope: !9, file: !10, line: 6, type: !13) |
| !21 = !DILocation(line: 6, column: 7, scope: !9) |
| !22 = !DILocation(line: 7, column: 7, scope: !9) |
| !23 = !DILocation(line: 7, column: 13, scope: !9) |
| !24 = !DILocation(line: 8, column: 5, scope: !9) |
| !25 = distinct !DISubprogram(name: "ptr_arg_split_reg_mem", scope: !10, file: !10, line: 10, type: !11, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !26 = !DILocalVariable(name: "b", scope: !25, file: !10, line: 11, type: !13) |
| !27 = !DILocation(line: 11, column: 7, scope: !25) |
| !28 = !DILocation(line: 12, column: 7, scope: !25) |
| !29 = !DILocation(line: 12, column: 13, scope: !25) |
| !30 = !DILocation(line: 13, column: 5, scope: !25) |
| !31 = distinct !DISubprogram(name: "ptr_arg_in_memory", scope: !10, file: !10, line: 15, type: !11, scopeLine: 15, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !32 = !DILocalVariable(name: "c", scope: !31, file: !10, line: 16, type: !13) |
| !33 = !DILocation(line: 16, column: 7, scope: !31) |
| !34 = !DILocation(line: 17, column: 7, scope: !31) |
| !35 = !DILocation(line: 17, column: 13, scope: !31) |
| !36 = !DILocation(line: 18, column: 5, scope: !31) |