| # RUN: llc -emit-call-site-info -mtriple aarch64-linux-gnu -debug-entry-values -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s |
| # |
| # Based on the following C reproducer: |
| # |
| # #include <stdint.h> |
| # |
| # extern void call1(int64_t); |
| # extern void call2(int64_t); |
| # extern void call3(int64_t); |
| # extern void call4(int64_t); |
| # |
| # void caller() { |
| # call1(UINT64_C(1) << 0); |
| # call2(UINT64_C(1) << 16); |
| # call3(UINT64_C(1) << 32); |
| # call4(UINT64_C(1) << 48); |
| # } |
| # |
| # CHECK: DW_TAG_GNU_call_site |
| # CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call1" |
| # CHECK: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg0 W0) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_lit1) |
| # CHECK-EMPTY: |
| # CHECK: DW_TAG_GNU_call_site |
| # CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call2" |
| # CHECK: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg0 W0) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x10000) |
| # CHECK-EMPTY: |
| # CHECK: DW_TAG_GNU_call_site |
| # CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call3" |
| # CHECK: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg0 W0) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x100000000) |
| # CHECK-EMPTY: |
| # CHECK: DW_TAG_GNU_call_site |
| # CHECK-NEXT: DW_AT_abstract_origin {{.*}} "call4" |
| # CHECK: DW_TAG_GNU_call_site_parameter |
| # CHECK-NEXT: DW_AT_location (DW_OP_reg0 W0) |
| # CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x1000000000000) |
| # |
| --- | |
| ; ModuleID = '1.c' |
| source_filename = "1.c" |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64" |
| |
| ; Function Attrs: nounwind |
| define dso_local void @caller() local_unnamed_addr #0 !dbg !15 { |
| entry: |
| tail call void @call1(i64 1), !dbg !18 |
| tail call void @call2(i64 65536), !dbg !19 |
| tail call void @call3(i64 4294967296), !dbg !20 |
| tail call void @call4(i64 281474976710656), !dbg !21 |
| ret void, !dbg !22 |
| } |
| |
| declare !dbg !4 dso_local void @call1(i64) local_unnamed_addr |
| |
| declare !dbg !8 dso_local void @call2(i64) local_unnamed_addr |
| |
| declare !dbg !9 dso_local void @call3(i64) local_unnamed_addr |
| |
| declare !dbg !10 dso_local void @call4(i64) local_unnamed_addr |
| |
| attributes #0 = { nounwind "frame-pointer"="all" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!11, !12, !13} |
| !llvm.ident = !{!14} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None) |
| !1 = !DIFile(filename: "1.c", directory: "/dir") |
| !2 = !{} |
| !3 = !{!4, !8, !9, !10} |
| !4 = !DISubprogram(name: "call1", scope: !1, file: !1, line: 3, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null, !7} |
| !7 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) |
| !8 = !DISubprogram(name: "call2", scope: !1, file: !1, line: 4, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !9 = !DISubprogram(name: "call3", scope: !1, file: !1, line: 5, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !10 = !DISubprogram(name: "call4", scope: !1, file: !1, line: 6, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !11 = !{i32 2, !"Dwarf Version", i32 4} |
| !12 = !{i32 2, !"Debug Info Version", i32 3} |
| !13 = !{i32 1, !"wchar_size", i32 4} |
| !14 = !{!"clang version 10.0.0"} |
| !15 = distinct !DISubprogram(name: "caller", scope: !1, file: !1, line: 8, type: !16, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) |
| !16 = !DISubroutineType(types: !17) |
| !17 = !{null} |
| !18 = !DILocation(line: 9, column: 7, scope: !15) |
| !19 = !DILocation(line: 10, column: 7, scope: !15) |
| !20 = !DILocation(line: 11, column: 7, scope: !15) |
| !21 = !DILocation(line: 12, column: 7, scope: !15) |
| !22 = !DILocation(line: 13, column: 4, scope: !15) |
| |
| ... |
| --- |
| name: caller |
| alignment: 4 |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| callSites: |
| - { bb: 0, offset: 6, fwdArgRegs: |
| - { arg: 0, reg: '$x0' } } |
| - { bb: 0, offset: 8, fwdArgRegs: |
| - { arg: 0, reg: '$x0' } } |
| - { bb: 0, offset: 10, fwdArgRegs: |
| - { arg: 0, reg: '$x0' } } |
| - { bb: 0, offset: 13, fwdArgRegs: |
| - { arg: 0, reg: '$x0' } } |
| body: | |
| bb.0.entry: |
| liveins: $lr |
| |
| early-clobber $sp = frame-setup STPXpre $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.1), (store (s64) into %stack.0) |
| $fp = frame-setup ADDXri $sp, 0, 0 |
| frame-setup CFI_INSTRUCTION def_cfa $w29, 16 |
| frame-setup CFI_INSTRUCTION offset $w30, -8, debug-location !18 |
| frame-setup CFI_INSTRUCTION offset $w29, -16, debug-location !18 |
| dead $w0 = MOVZWi 1, 0, implicit-def $x0, debug-location !18 |
| BL @call1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !18 |
| dead $w0 = MOVZWi 1, 16, implicit-def $x0, debug-location !19 |
| BL @call2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !19 |
| $x0 = MOVZXi 1, 32, debug-location !20 |
| BL @call3, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $x0, implicit-def $sp, debug-location !20 |
| $x0 = MOVZXi 1, 48, debug-location !21 |
| early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2, debug-location !21 :: (load (s64) from %stack.1), (load (s64) from %stack.0) |
| TCRETURNdi @call4, 0, csr_aarch64_aapcs, implicit $sp, implicit killed $x0, debug-location !21 |
| |
| ... |