6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-06-26 10:29:57 +00:00
Code Issues Projects Releases Wiki Activity

DebugInfo: Don't crash if 'Debug Info Version' has a strange value

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229356 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2015-02-16 06:04:53 +00:00
parent 2b022d53a3
commit 3f58e9b36a
2 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/IR/DebugInfo.cpp
View File

@ -1537,7 +1537,7 @@ bool llvm::StripDebugInfo(Module &M) {
}
unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
if (auto *Val = mdconst::extract_or_null<ConstantInt>(
if (auto *Val = mdconst::dyn_extract_or_null<ConstantInt>(
M.getModuleFlag("Debug Info Version")))
return Val->getZExtValue();
return 0;

5
test/Assembler/invalid-debug-info-version.ll Normal file
View File

@ -0,0 +1,5 @@
; RUN: opt < %s -S | FileCheck %s
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"Debug Info Version", !""}
; CHECK: !{i32 1, !"Debug Info Version", !""}