dbgcall-site-lea-interpretation.mir
7.33 KB
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# RUN: llc -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "foo")
# CHECK-NEXT: DW_AT_low_pc {{.*}}
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg9 R9)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+10)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg8 R8)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg15 R15+0, DW_OP_lit2, DW_OP_mul, DW_OP_plus_uconst 0x8)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg1 RDX)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_lit5, DW_OP_mul, DW_OP_plus_uconst 0x8)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg4 RSI)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_breg15 R15+0, DW_OP_lit2, DW_OP_mul, DW_OP_plus, DW_OP_plus_uconst 0x4)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg2 RCX)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_breg15 R15+0, DW_OP_plus)
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "foo2")
# CHECK-NEXT: DW_AT_low_pc {{.*}}
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg5 RDI)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg14 R14+0, DW_OP_lit2, DW_OP_mul)
--- |
; ModuleID = 'dbgcall-site-lea-interpretation.ll'
source_filename = "dbgcall-site-lea-interpretation.c"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define dso_local i32 @baa(i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr !dbg !10 {
entry:
%arg1.addr = alloca i32, align 4
%arg3.addr = alloca i32, align 4
%local1 = alloca i32, align 4
store i32 %arg1, i32* %arg1.addr, align 4
store i32 %arg3, i32* %arg3.addr, align 4
%0 = bitcast i32* %local1 to i8*, !dbg !14
%mul = mul nsw i32 %arg3, %arg1, !dbg !14
store i32 %mul, i32* %local1, align 4, !dbg !14
%add = add nsw i32 %arg2, %arg1, !dbg !14
%sub = sub nsw i32 %add, %arg3, !dbg !14
%call = call i32 @foo(i32 %mul, i32 %sub, i32* nonnull %local1, i32* nonnull %arg1.addr, i32* nonnull %arg3.addr, i32 %add), !dbg !14
%1 = load i32, i32* %local1, align 4, !dbg !14
%add2 = add nsw i32 %1, %call, !dbg !14
store i32 %add2, i32* %local1, align 4, !dbg !14
%call3 = call i32 @foo2(i32* nonnull %local1), !dbg !14
%2 = load i32, i32* %local1, align 4, !dbg !14
ret i32 %2, !dbg !14
}
declare !dbg !4 dso_local i32 @foo(i32, i32, i32*, i32*, i32*, i32) local_unnamed_addr
declare !dbg !5 dso_local i32 @foo2(i32*) local_unnamed_addr
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!6, !7, !8}
!llvm.ident = !{!9}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
!1 = !DIFile(filename: "dbgcall-site-lea-interpretation.c", directory: "/dir")
!2 = !{}
!3 = !{!4, !5}
!4 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 8, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
!5 = !DISubprogram(name: "foo2", scope: !1, file: !1, line: 9, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
!6 = !{i32 2, !"Dwarf Version", i32 4}
!7 = !{i32 2, !"Debug Info Version", i32 3}
!8 = !{i32 1, !"wchar_size", i32 4}
!9 = !{!"clang version 9.0.0"}
!10 = distinct !DISubprogram(name: "baa", scope: !1, file: !1, line: 11, type: !11, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!11 = !DISubroutineType(types: !12)
!12 = !{!13, !13, !13, !13}
!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!14 = !DILocation(line: 11, column: 13, scope: !10)
...
---
name: baa
liveins:
- { reg: '$edi', virtual-reg: '' }
- { reg: '$esi', virtual-reg: '' }
- { reg: '$edx', virtual-reg: '' }
callSites:
- { bb: 0, offset: 21, fwdArgRegs:
- { arg: 0, reg: '$edi' }
- { arg: 1, reg: '$esi' }
- { arg: 2, reg: '$rdx' }
- { arg: 3, reg: '$rcx' }
- { arg: 4, reg: '$r8' }
- { arg: 5, reg: '$r9d' } }
- { bb: 0, offset: 24, fwdArgRegs:
- { arg: 0, reg: '$rdi' } }
body: |
bb.0.entry:
liveins: $edi, $edx, $esi, $rbx
frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
CFI_INSTRUCTION def_cfa_offset 16
$rsp = frame-setup SUB64ri8 $rsp, 16, implicit-def dead $eflags
CFI_INSTRUCTION def_cfa_offset 32
CFI_INSTRUCTION offset $rbx, -16
$r9d = MOV32rr $esi
$r14 = MOV64rr $rsi
$r15 = MOV64rr $rdi
MOV32mr $rsp, 1, $noreg, 12, $noreg, renamable $edi :: (store 4 into %ir.arg1.addr)
MOV32mr $rsp, 1, $noreg, 8, $noreg, renamable $edx :: (store 4 into %ir.arg3.addr)
renamable $r9d = nsw ADD32rr killed renamable $r9d, renamable $edi, implicit-def dead $eflags, debug-location !14
$esi = MOV32rr $r9d, debug-location !14
renamable $esi = nsw SUB32rr killed renamable $esi, renamable $edx, implicit-def dead $eflags, debug-location !14
renamable $edx = nsw IMUL32rr killed renamable $edx, killed renamable $edi, implicit-def dead $eflags, debug-location !14
MOV32mr $rsp, 1, $noreg, 4, $noreg, renamable $edx, debug-location !14 :: (store 4 into %ir.local1)
renamable $rcx = LEA64r $r14, 1, $r15, 0, $noreg
renamable $edi = LEA64_32r $r14, 2, $r15, 4, $noreg
renamable $esi = LEA64_32r $r14, 1, $noreg, 0, $noreg
renamable $rdx = LEA64r $r14, 4, $r14, 8, $noreg
renamable $r8 = LEA64r $noreg, 2, $r15, 8, $noreg
renamable $r9d = LEA64_32r $noreg, 1, $r15, 10, $noreg, implicit-def $r9d
CALL64pcrel32 @foo, csr_64, implicit $rsp, implicit $ssp, implicit $edi, implicit $esi, implicit $rdx, implicit $rcx, implicit $r8, implicit $r9d, implicit-def $rsp, implicit-def $ssp, implicit-def $eax, debug-location !14
ADD32mr $rsp, 1, $noreg, 4, $noreg, killed renamable $eax, implicit-def dead $eflags, debug-location !14 :: (store 4 into %ir.local1), (dereferenceable load 4 from %ir.local1)
$rdi = LEA64r $r14, 1, killed $r14, 0, $noreg
CALL64pcrel32 @foo2, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp, implicit-def dead $eax, debug-location !14
renamable $eax = MOV32rm $rsp, 1, $noreg, 4, $noreg, debug-location !14 :: (dereferenceable load 4 from %ir.local1)
$rsp = frame-destroy ADD64ri8 $rsp, 16, implicit-def dead $eflags, debug-location !14
CFI_INSTRUCTION def_cfa_offset 16, debug-location !14
$rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !14
CFI_INSTRUCTION def_cfa_offset 8, debug-location !14
RETQ $eax, debug-location !14
...