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llvm-mirror/test/Assembler/functionlocal-metadata.ll
Duncan P. N. Exon Smith c1be4794ba Revert "Revert "DI: Fold constant arguments into a single MDString""
This reverts commit r218918, effectively reapplying r218914 after fixing
an Ocaml bindings test and an Asan crash.  The root cause of the latter
was a tightened-up check in `DILexicalBlock::Verify()`, so I'll file a
PR to investigate who requires the loose check (and why).

Original commit message follows.

--

This patch addresses the first stage of PR17891 by folding constant
arguments together into a single MDString.  Integers are stringified and
a `\0` character is used as a separator.

Part of PR17891.

Note: I've attached my testcases upgrade scripts to the PR.  If I've
just broken your out-of-tree testcases, they might help.

llvm-svn: 219010
2014-10-03 20:01:09 +00:00

58 lines
3.4 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; RUN: verify-uselistorder %s
define void @Foo(i32 %a, i32 %b) {
entry:
call void @llvm.dbg.value(metadata !{ i32* %1 }, i64 16, metadata !2, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.value(metadata !{i32* %1}, i64 16, metadata ![[ID2:[0-9]+]], metadata {{.*}})
%0 = add i32 %a, 1 ; <i32> [#uses=1]
%two = add i32 %b, %0 ; <i32> [#uses=0]
%1 = alloca i32 ; <i32*> [#uses=1]
call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !{i32* %1}, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !{i32* %1}, metadata {{.*}})
call void @llvm.dbg.declare(metadata !{i32 %two}, metadata !{i32 %0}, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.declare(metadata !{i32 %two}, metadata !{i32 %0}, metadata {{.*}})
call void @llvm.dbg.declare(metadata !{i32 %0}, metadata !{i32* %1, i32 %0}, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.declare(metadata !{i32 %0}, metadata !{i32* %1, i32 %0}, metadata {{.*}})
call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !{i32 %b, i32 %0}, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !{i32 %b, i32 %0}, metadata {{.*}})
call void @llvm.dbg.declare(metadata !{i32 %a}, metadata !{i32 %a, metadata !"foo"}, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.declare(metadata !{i32 %a}, metadata !{i32 %a, metadata !"foo"}, metadata {{.*}})
call void @llvm.dbg.declare(metadata !{i32 %b}, metadata !{metadata !0, i32 %two}, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.declare(metadata !{i32 %b}, metadata !{metadata ![[ID0:[0-9]+]], i32 %two}, metadata {{.*}})
call void @llvm.dbg.value(metadata !{ i32 %a }, i64 0, metadata !1, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.value(metadata !{i32 %a}, i64 0, metadata ![[ID1:[0-9]+]], metadata {{.*}})
call void @llvm.dbg.value(metadata !{ i32 %0 }, i64 25, metadata !0, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.value(metadata !{i32 %0}, i64 25, metadata ![[ID0]], metadata {{.*}})
call void @llvm.dbg.value(metadata !{ i32* %1 }, i64 16, metadata !3, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.value(metadata !{i32* %1}, i64 16, metadata ![[ID3:[0-9]+]], metadata {{.*}})
call void @llvm.dbg.value(metadata !3, i64 12, metadata !2, metadata !{metadata !"0x102"})
; CHECK: call void @llvm.dbg.value(metadata ![[ID3]], i64 12, metadata ![[ID2]], metadata {{.*}})
ret void, !foo !0, !bar !1
; CHECK: ret void, !foo ![[FOO:[0-9]+]], !bar ![[BAR:[0-9]+]]
}
!llvm.module.flags = !{!4}
!0 = metadata !{i32 662302, i32 26, metadata !1, null}
!1 = metadata !{i32 4, metadata !"foo"}
!2 = metadata !{metadata !"bar"}
!3 = metadata !{metadata !"foo"}
!4 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
!foo = !{ !0 }
!bar = !{ !1 }
; CHECK: !foo = !{![[FOO]]}
; CHECK: !bar = !{![[BAR]]}
; CHECK: ![[ID0]] = metadata !{i32 662302, i32 26, metadata ![[ID1]], null}
; CHECK: ![[ID1]] = metadata !{i32 4, metadata !"foo"}
; CHECK: ![[ID2]] = metadata !{metadata !"bar"}
; CHECK: ![[ID3]] = metadata !{metadata !"foo"}