Revert "Teach the IR verifier to reject conflicting debug info for function arguments."

This reverts commit r295749 while investigating PR32042.

It looks like this check uncovered a problem in the frontend that
needs to be fixed before the check can be enabled again.

llvm-svn: 296005

1 files changed, 0 insertions, 26 deletions

diff --git a/llvm/test/Verifier/fnarg-debuginfo.ll b/llvm/test/Verifier/fnarg-debuginfo.ll
deleted file mode 100644
index 7cbe9ce93b9..00000000000
--- a/llvm/test/Verifier/fnarg-debuginfo.ll
+++ /dev/null
@@ -1,26 +0,0 @@
-; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
-
-declare void @llvm.dbg.declare(metadata, metadata, metadata) 
-declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
-
-define void @foo() !dbg !2 {
-entry:
-  %a = alloca i32
-  ; CHECK: conflicting debug info for argument
-  call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !3, metadata !DIExpression()), !dbg !6
-  call void @llvm.dbg.declare(metadata i32* %a, metadata !4, metadata !DIExpression()), !dbg !6
-  ret void, !dbg !6
-}
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!7, !8}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", emissionKind: FullDebug)
-!1 = !DIFile(filename: "x.c", directory: "/")
-!2 = distinct !DISubprogram(name: "foo", scope: !0, isDefinition: true, unit: !0)
-!3 = !DILocalVariable(name: "a", arg: 1, scope: !2, file: !1, line: 1, type: !5)
-!4 = !DILocalVariable(name: "b", arg: 1, scope: !2, file: !1, line: 1, type: !5)
-!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!6 = !DILocation(line: 1, scope: !2)
-!7 = !{i32 2, !"Dwarf Version", i32 4}
-!8 = !{i32 1, !"Debug Info Version", i32 3}