# 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 # # 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 8 into %stack.1), (store 8 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 8 from %stack.1), (load 8 from %stack.0) TCRETURNdi @call4, 0, csr_aarch64_aapcs, implicit $sp, implicit killed $x0, debug-location !21 ...