Revert "[IRVerifier] Don't crash on invalid DIFile inside DISubprogram."

This reverts commit r265515 as lots of tests need to be fixed before
this actually can go in.

llvm-svn: 265517

2 files changed, 0 insertions, 12 deletions

diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
index ca441922957..fe3d6eb6cf4 100644
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -988,8 +988,6 @@ void Verifier::visitDICompileUnit(const DICompileUnit &N) {
 void Verifier::visitDISubprogram(const DISubprogram &N) {
   Assert(N.getTag() == dwarf::DW_TAG_subprogram, "invalid tag", &N);
   Assert(isScopeRef(N, N.getRawScope()), "invalid scope", &N, N.getRawScope());
-  Assert(N.getRawFile() && isa<DIFile>(N.getRawFile()), "invalid file", &N,
-         N.getRawFile());
   if (auto *T = N.getRawType())
     Assert(isa<DISubroutineType>(T), "invalid subroutine type", &N, T);
   Assert(isTypeRef(N, N.getRawContainingType()), "invalid containing type", &N,
diff --git a/llvm/test/Verifier/dbg-difile-crash.ll b/llvm/test/Verifier/dbg-difile-crash.ll
deleted file mode 100644
index 75ec889c0da..00000000000
--- a/llvm/test/Verifier/dbg-difile-crash.ll
+++ /dev/null
@@ -1,10 +0,0 @@
-; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s
-; CHECK:      assembly parsed, but does not verify
-; CHECK-NEXT: invalid file
-
-!llvm.module.flags = !{!0}
-!0 = !{i32 2, !"Debug Info Version", i32 3}
-!llvm.dbg.cu = !{!1}
-!1 = distinct !DICompileUnit(file: !2, language: DW_LANG_C99, subprograms: !{!3})
-!2 = !DIFile(filename: "file.c", directory: "/path/to/dir")
-!3 = distinct !DISubprogram(name: "blah", file: !1)