llvm-6502/test/DebugInfo/inline-no-debug-info.ll

; RUN: opt < %s -inline -S | FileCheck %s

; This was generated from the following source:
; int a, b;
; __attribute__((__always_inline__)) static void callee2() { b = 2; }
; __attribute__((__nodebug__)) void callee() { a = 1; callee2(); }
; void caller() { callee(); }
; by running
;   clang -S test.c -emit-llvm -O1 -gline-tables-only -fno-strict-aliasing

; CHECK-LABEL: @caller(

; This instruction did not have a !dbg metadata in the callee.
; CHECK: store i32 1, {{.*}}, !dbg [[A:!.*]]

; This instruction came from callee with a !dbg metadata.
; CHECK: store i32 2, {{.*}}, !dbg [[B:!.*]]

; The remaining instruction from the caller.
; CHECK: ret void, !dbg [[A]]

; Debug location of the code in caller() and of the inlined code that did not
; have any debug location before.
; CHECK-DAG: [[A]] = metadata !{i32 4, i32 0, metadata !{{[01-9]+}}, null}

; Debug location of the inlined code.
; CHECK-DAG: [[B]] = metadata !{i32 2, i32 0, metadata !{{[01-9]+}}, metadata [[A]]}


target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@a = common global i32 0, align 4
@b = common global i32 0, align 4

; Function Attrs: nounwind uwtable
define void @callee() #0 {
entry:
  store i32 1, i32* @a, align 4
  store i32 2, i32* @b, align 4, !dbg !11
  ret void
}

; Function Attrs: nounwind uwtable
define void @caller() #0 {
entry:
  tail call void @callee(), !dbg !12
  ret void, !dbg !12
}

attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!8, !9}
!llvm.ident = !{!10}

!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5.0 (210174)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 2} ; [ DW_TAG_compile_unit ] [/code/llvm/build0/test.c] [DW_LANG_C99]
!1 = metadata !{metadata !"test.c", metadata !"/code/llvm/build0"}
!2 = metadata !{}
!3 = metadata !{metadata !4, metadata !7}
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"caller", metadata !"caller", metadata !"", i32 4, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 true, void ()* @caller, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [caller]
!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/code/llvm/build0/test.c]
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !2, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"callee2", metadata !"callee2", metadata !"", i32 2, metadata !6, i1 true, i1 true, i32 0, i32 0, null, i32 0, i1 true, null, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [local] [def] [callee2]
!8 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!9 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
!10 = metadata !{metadata !"clang version 3.5.0 (210174)"}
!11 = metadata !{i32 2, i32 0, metadata !7, null}
!12 = metadata !{i32 4, i32 0, metadata !4, null}