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## Test mips32:
# RUN: llc -mtriple mips-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
## Test mipsel:
# RUN: llc -mtriple mipsel-linux-gnu -emit-call-site-info -start-after=machineverifier -filetype=obj %s -o -| llvm-dwarfdump -| FileCheck %s
## Following code is used for producing this test case.
##
## extern int fn1(int,int,int);
## extern void clobber();
## int fn2(int a) {
## clobber();
## int local = fn1(44, a, a+10);
## if (local > 10)
## return local + 10;
## return local;
## }
## Check that parameters value loaded by instruction ADDiu/DADDiu is
## interpreted correctly.
## Test mips32:
# CHECK: DW_TAG_GNU_call_site
# CHECK-NEXT: DW_AT_abstract_origin {{.*}} "fn1"
# CHECK: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg5 A1_64)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg16 S0_64+0)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg4 A0_64)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_constu 0x2c)
# CHECK-EMPTY:
# CHECK-NEXT: DW_TAG_GNU_call_site_parameter
# CHECK-NEXT: DW_AT_location (DW_OP_reg6 A2_64)
# CHECK-NEXT: DW_AT_GNU_call_site_value (DW_OP_breg16 S0_64+10)
--- |
; ModuleID = 'm.ll'
source_filename = "m.c"
target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
target triple = "mips-unknown-linux-gnu"
; Function Attrs: nounwind
define dso_local i32 @fn2(i32 signext %a) local_unnamed_addr !dbg !12 {
entry:
call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !18
tail call void bitcast (void (...)* @clobber to void ()*)(), !dbg !18
%add = add nsw i32 %a, 10, !dbg !18
%call = tail call i32 @fn1(i32 signext 44, i32 signext %a, i32 signext %add), !dbg !18
call void @llvm.dbg.value(metadata i32 %call, metadata !17, metadata !DIExpression()), !dbg !18
%cmp = icmp sgt i32 %call, 10, !dbg !22
%add1 = add nsw i32 %call, 10, !dbg !18
%retval.0 = select i1 %cmp, i32 %add1, i32 %call, !dbg !18
ret i32 %retval.0, !dbg !18
}
declare dso_local void @clobber(...) local_unnamed_addr
declare !dbg !4 dso_local i32 @fn1(i32 signext, i32 signext, i32 signext) local_unnamed_addr
; Function Attrs: nounwind readnone speculatable willreturn
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!8, !9, !10}
!llvm.ident = !{!11}
!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)
!1 = !DIFile(filename: "m.c", directory: "/dir")
!2 = !{}
!3 = !{!4}
!4 = !DISubprogram(name: "fn1", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
!5 = !DISubroutineType(types: !6)
!6 = !{!7, !7, !7, !7}
!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!8 = !{i32 7, !"Dwarf Version", i32 4}
!9 = !{i32 2, !"Debug Info Version", i32 3}
!10 = !{i32 1, !"wchar_size", i32 4}
!11 = !{!"clang version 11.0.0"}
!12 = distinct !DISubprogram(name: "fn2", scope: !1, file: !1, line: 3, type: !13, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15)
!13 = !DISubroutineType(types: !14)
!14 = !{!7, !7}
!15 = !{!16, !17}
!16 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !1, line: 3, type: !7)
!17 = !DILocalVariable(name: "local", scope: !12, file: !1, line: 5, type: !7)
!18 = !DILocation(line: 0, scope: !12)
!22 = !DILocation(line: 6, column: 14, scope: !23)
!23 = distinct !DILexicalBlock(scope: !12, file: !1, line: 6, column: 8)
...
---
name: fn2
alignment: 4
liveins:
- { reg: '$a0', virtual-reg: '' }
stack:
- { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '$s0', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
callSites:
- { bb: 0, offset: 8, fwdArgRegs: [] }
- { bb: 0, offset: 12, fwdArgRegs:
- { arg: 0, reg: '$a0' }
- { arg: 1, reg: '$a1' }
- { arg: 2, reg: '$a2' } }
body: |
bb.0.entry:
DBG_VALUE $a0, $noreg, !16, !DIExpression(), debug-location !18
$sp = ADDiu $sp, -24
CFI_INSTRUCTION def_cfa_offset 24
SW killed $ra, $sp, 20 :: (store (s32) into %stack.0)
SW killed $s0, $sp, 16 :: (store (s32) into %stack.1)
CFI_INSTRUCTION offset $ra_64, -4
CFI_INSTRUCTION offset $s0_64, -8
DBG_VALUE $s0, $noreg, !16, !DIExpression(), debug-location !18
JAL @clobber, csr_o32, implicit-def dead $ra, implicit-def $sp, debug-location !18 {
$s0 = OR $a0, $zero
}
renamable $a2 = nsw ADDiu renamable $s0, 10, debug-location !18
$a0 = ADDiu $zero, 44, debug-location !18
JAL @fn1, csr_o32, implicit-def dead $ra, implicit $a0, implicit killed $a1, implicit $a2, implicit-def $sp, implicit-def $v0, debug-location !18 {
$a1 = OR killed $s0, $zero, debug-location !18
}
DBG_VALUE $v0, $noreg, !17, !DIExpression(), debug-location !18
renamable $at = SLTi renamable $v0, 11, debug-location !18
renamable $v1 = nsw ADDiu renamable $v0, 10, debug-location !18
renamable $v0 = MOVZ_I_I killed renamable $v1, killed renamable $at, killed renamable $v0, debug-location !18
$s0 = LW $sp, 16, debug-location !18 :: (load (s32) from %stack.1)
$ra = LW $sp, 20, debug-location !18 :: (load (s32) from %stack.0)
PseudoReturn undef $ra, implicit $v0, debug-location !18 {
$sp = ADDiu $sp, 24
}
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