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|
# 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
...
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