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llvm-project/llvm/test/DebugInfo/X86/gnu-public-names-empty.ll

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Make sure we emit a section for pubnames even if that section is going to be empty. This is particularly important for the gnu pubnames case since we're emitting a relocation to the section. llvm-svn: 191915
2013-10-04 01:41:20 +08:00
; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
; Generated from:
; static int a __attribute__((section("a")));
; Check that the attributes in the compile unit both point to a correct
; location, even when nothing is exported.
DebugInfo: Tag units as having been indexed in GNU pubnames by using a DW_AT_GNU_pubnames of DW_FORM_flag(_present) rather than sec_offsets to the pubnames/types sections This is consistent with GDB ToT and reduces the number of relocations in (type and compile) units, substantially reducing relocations and debug size in fission + type units builds. llvm-svn: 203082
2014-03-06 13:47:39 +08:00
; CHECK: DW_AT_GNU_pubnames [DW_FORM_flag_present] (true)
; CHECK-NOT: DW_AT_GNU_pubtypes [
Make sure we emit a section for pubnames even if that section is going to be empty. This is particularly important for the gnu pubnames case since we're emitting a relocation to the section. llvm-svn: 191915
2013-10-04 01:41:20 +08:00
!llvm.dbg.cu = !{!0}
Debug Info: update testing cases to specify the debug info version number. We are going to drop debug info without a version number or with a different version number, to make sure we don't crash when we see bitcode files with different debug info metadata format. llvm-svn: 195504
2013-11-23 05:49:45 +08:00
!llvm.module.flags = !{!3, !4}
Make sure we emit a section for pubnames even if that section is going to be empty. This is particularly important for the gnu pubnames case since we're emitting a relocation to the section. llvm-svn: 191915
2013-10-04 01:41:20 +08:00
IR: Make metadata typeless in assembly Now that `Metadata` is typeless, reflect that in the assembly. These are the matching assembly changes for the metadata/value split in r223802. - Only use the `metadata` type when referencing metadata from a call intrinsic -- i.e., only when it's used as a `Value`. - Stop pretending that `ValueAsMetadata` is wrapped in an `MDNode` when referencing it from call intrinsics. So, assembly like this: define @foo(i32 %v) { call void @llvm.foo(metadata !{i32 %v}, metadata !0) call void @llvm.foo(metadata !{i32 7}, metadata !0) call void @llvm.foo(metadata !1, metadata !0) call void @llvm.foo(metadata !3, metadata !0) call void @llvm.foo(metadata !{metadata !3}, metadata !0) ret void, !bar !2 } !0 = metadata !{metadata !2} !1 = metadata !{i32* @global} !2 = metadata !{metadata !3} !3 = metadata !{} turns into this: define @foo(i32 %v) { call void @llvm.foo(metadata i32 %v, metadata !0) call void @llvm.foo(metadata i32 7, metadata !0) call void @llvm.foo(metadata i32* @global, metadata !0) call void @llvm.foo(metadata !3, metadata !0) call void @llvm.foo(metadata !{!3}, metadata !0) ret void, !bar !2 } !0 = !{!2} !1 = !{i32* @global} !2 = !{!3} !3 = !{} I wrote an upgrade script that handled almost all of the tests in llvm and many of the tests in cfe (even handling many `CHECK` lines). I've attached it (or will attach it in a moment if you're speedy) to PR21532 to help everyone update their out-of-tree testcases. This is part of PR21532. llvm-svn: 224257
2014-12-16 03:07:53 +08:00
!0 = !{!"0x11\0012\00clang version 3.4 (trunk 191846) (llvm/trunk 191866)\000\00\000\00\000", !1, !2, !2, !2, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c] [DW_LANG_C99]
!1 = !{!"foo.c", !"/usr/local/google/home/echristo/tmp"}
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 1, !"Debug Info Version", i32 2}