llvm-6502/test/Bitcode/debug-loc-again.ll
Duncan P. N. Exon Smith 6cc81efe93 Bitcode: Set LastDL after writing DebugLocs
Somehow I dropped this in r233585, and we haven't had `DEBUG_LOC_AGAIN`
records since.  Add it back.  Also tests that the output assembly looks
okay.

Fixes PR23436.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236661 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-06 22:51:12 +00:00

37 lines
1.1 KiB
LLVM

; RUN: llvm-as < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC
; PR23436: Actually emit DEBUG_LOC_AGAIN records.
; BC: <DEBUG_LOC op
; BC: <DEBUG_LOC_AGAIN/>
; BC: <DEBUG_LOC op
; BC: <DEBUG_LOC_AGAIN/>
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; RUN: verify-uselistorder %s
; Check that this round-trips correctly.
define void @foo() {
entry:
%a = add i32 0, 0, !dbg !3
%b = add i32 0, 1, !dbg !3
%c = add i32 0, 2, !dbg !4
ret void, !dbg !4
}
; CHECK-LABEL: entry:
; CHECK-NEXT: %a = add i32 0, 0, !dbg ![[LINE1:[0-9]+]]
; CHECK-NEXT: %b = add i32 0, 1, !dbg ![[LINE1]]
; CHECK-NEXT: %c = add i32 0, 2, !dbg ![[LINE2:[0-9]+]]
; CHECK-NEXT: ret void, !dbg ![[LINE2]]
; CHECK: ![[LINE1]] = !DILocation(line: 1,
; CHECK: ![[LINE2]] = !DILocation(line: 2,
!llvm.module.flags = !{!0}
!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = !DICompileUnit(language: DW_LANG_C99, file: !DIFile(filename: "f", directory: "/d"),
subprograms: !{!2})
!2 = !DISubprogram(name: "foo")
!3 = !DILocation(line: 1, scope: !2)
!4 = !DILocation(line: 2, scope: !2)