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