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1# RUN: llc -emit-call-site-info -start-before=livedebugvalues -filetype=obj -o - %s \2# RUN: | llvm-dwarfdump - | FileCheck %s --implicit-check-not=DW_TAG_GNU_call_site_parameter3 4--- |5 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"6 target triple = "x86_64-unknown-linux-gnu"7 8 ; Function Attrs: nounwind uwtable9 define void @move_around_args(i32 %a) #0 !dbg !12 {10 entry:11 call void @call2(i32 123, i32 %a), !dbg !1512 ret void, !dbg !1613 }14 15 declare !dbg !4 dso_local void @call2(i32, i32)16 17 attributes #0 = { nounwind uwtable }18 19 !llvm.dbg.cu = !{!0}20 !llvm.module.flags = !{!8, !9, !10}21 !llvm.ident = !{!11}22 23 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, splitDebugInlining: false, nameTableKind: None)24 !1 = !DIFile(filename: "worklist.c", directory: "/")25 !2 = !{}26 !3 = !{!4}27 !4 = !DISubprogram(name: "call2", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)28 !5 = !DISubroutineType(types: !6)29 !6 = !{null, !7, !7}30 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)31 !8 = !{i32 7, !"Dwarf Version", i32 4}32 !9 = !{i32 2, !"Debug Info Version", i32 3}33 !10 = !{i32 1, !"wchar_size", i32 4}34 !11 = !{!"clang version 11.0.0"}35 !12 = distinct !DISubprogram(name: "move_around_args", scope: !1, file: !1, line: 3, type: !13, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)36 !13 = !DISubroutineType(types: !14)37 !14 = !{null, !7}38 !15 = !DILocation(line: 4, scope: !12)39 !16 = !DILocation(line: 5, scope: !12)40 41...42---43name: move_around_args44liveins:45 - { reg: '$edi' }46callSites:47 - { bb: 0, offset: 12, fwdArgRegs:48 - { arg: 0, reg: '$edi' }49 - { arg: 1, reg: '$esi' } }50body: |51 bb.0.entry:52 liveins: $edi53 54 frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp55 CFI_INSTRUCTION def_cfa_offset 1656 $esi = MOV32ri 12357 58 ; Move the values around between different registers.59 60 $edx = MOV32rr $edi61 62 $edi = MOV32rr $esi63 $esi = MOV32rr $edx64 65 $edx = MOV32rr $edi66 $eax = MOV32rr $esi67 68 $esi = MOV32rr $edx69 $edx = MOV32rr $eax70 71 $edi = MOV32rr $esi72 $esi = MOV32rr $edx73 74 CALL64pcrel32 @call2, csr_64, implicit $rsp, implicit $ssp, implicit $edi, implicit $esi, implicit-def $rsp, implicit-def $ssp, debug-location !1575 $rax = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !1676 CFI_INSTRUCTION def_cfa_offset 8, debug-location !1677 RET64 debug-location !1678 79...80 81# Verify that we emit correct call site parameter entries even after moving82# around the call site values between different registers.83#84# This test uses an implicit CHECK-NOT to verify that only two call site85# parameter entries are emitted.86 87# CHECK: DW_TAG_GNU_call_site_parameter88# CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI)89# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x7b)90 91# CHECK: DW_TAG_GNU_call_site_parameter92# CHECK-NEXT: DW_AT_location (DW_OP_reg4 RSI)93# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_GNU_entry_value(DW_OP_reg5 RDI))94