llvm-for-llvmta/test/DebugInfo/MIR/X86/callsite-stack-value.mir

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# RUN: llc -start-after=livedebugvalues -mtriple=x86_64-apple-darwin -o - %s -filetype=obj \
# RUN: -emit-call-site-info | llvm-dwarfdump - | FileCheck %s -implicit-check-not=call_site_parameter
# CHECK: DW_TAG_formal_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg17 XMM0)
# struct S {
# float w;
# };
# void f(long w, long b);
# void g(struct S s) {
# int w = s.w;
# f(w, w*4);
# }
--- |
define void @g(float %s.coerce) local_unnamed_addr !dbg !20 {
entry:
ret void, !dbg !31
}
declare !dbg !14 void @f(i64, i64) local_unnamed_addr
!llvm.module.flags = !{!6, !7, !8, !9}
!llvm.dbg.cu = !{!10}
!6 = !{i32 7, !"Dwarf Version", i32 4}
!7 = !{i32 2, !"Debug Info Version", i32 3}
!8 = !{i32 1, !"wchar_size", i32 4}
!9 = !{i32 7, !"PIC Level", i32 2}
!10 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !15, producer: "", isOptimized: true, runtimeVersion: 2, emissionKind: FullDebug, enums: !12, retainedTypes: !13, nameTableKind: None, sysroot: "/")
!12 = !{}
!13 = !{!14}
!14 = !DISubprogram(name: "f", scope: !15, file: !15, line: 4, type: !16, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !12)
!15 = !DIFile(filename: "test.m", directory: "/")
!16 = !DISubroutineType(types: !17)
!17 = !{null, !18, !18}
!18 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
!20 = distinct !DISubprogram(name: "g", scope: !15, file: !15, line: 5, type: !21, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !10, retainedNodes: !27)
!21 = !DISubroutineType(types: !22)
!22 = !{null, !23}
!23 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !15, line: 1, size: 32, elements: !24)
!24 = !{!25}
!25 = !DIDerivedType(tag: DW_TAG_member, name: "w", scope: !23, file: !15, line: 2, baseType: !26, size: 32)
!26 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
!27 = !{!28, !29}
!28 = !DILocalVariable(name: "s", arg: 1, scope: !20, file: !15, line: 5, type: !23)
!29 = !DILocalVariable(name: "w", scope: !20, file: !15, line: 6, type: !30)
!30 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!31 = !DILocation(line: 0, scope: !20)
name: g
callSites:
- { bb: 0, offset: 13, fwdArgRegs:
- { arg: 1, reg: '$rsi' } }
body: |
bb.0.entry:
DBG_VALUE $xmm0, $noreg, !28, !DIExpression(), debug-location !31
DBG_VALUE $xmm0, $noreg, !28, !DIExpression(), debug-location !31
frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp
CFI_INSTRUCTION def_cfa_offset 16
CFI_INSTRUCTION offset $rbp, -16
$rbp = frame-setup MOV64rr $rsp
CFI_INSTRUCTION def_cfa_register $rbp
renamable $eax = nofpexcept CVTTSS2SIrr killed renamable $xmm0, implicit $mxcsr, debug-location !31
DBG_VALUE $eax, $noreg, !29, !DIExpression(), debug-location !31
renamable $rdi = MOVSX64rr32 killed renamable $eax, debug-location !31
renamable $eax = LEA64_32r $noreg, 4, renamable $rdi, 0, $noreg, debug-location !31
renamable $rsi = MOVSX64rr32 killed renamable $eax, debug-location !31
$rbp = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !31
TAILJMPd64 @f, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, debug-location !31