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| author | Duncan Sands <baldrick@free.fr> | 2012-09-30 07:30:10 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2012-09-30 07:30:10 +0000 |
| commit | b620469223d3135361978668c1f5b0739e5cbaa1 (patch) | |
| tree | 148088e6c1f60e03eb56818ec01b1407dcfc1327 /test | |
| parent | 73fab91f2cd5fa3dbe4593506ac4a31aa3faf897 (diff) | |
| download | external_llvm-b620469223d3135361978668c1f5b0739e5cbaa1.zip external_llvm-b620469223d3135361978668c1f5b0739e5cbaa1.tar.gz external_llvm-b620469223d3135361978668c1f5b0739e5cbaa1.tar.bz2 | |
Ignore apparent buffer overruns on external or weak globals. This is a major
source of false positives due to globals being declared in a header with some
kind of incomplete (small) type, but the actual definition being bigger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164912 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Other/lint.ll | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/Other/lint.ll b/test/Other/lint.ll index d3ab988..78bbbe9 100644 --- a/test/Other/lint.ll +++ b/test/Other/lint.ll @@ -9,6 +9,7 @@ declare void @has_noaliases(i32* noalias %p, i32* %q) declare void @one_arg(i32) @CG = constant i32 7 +@E = external global i8 define i32 @foo() noreturn { %buf = alloca i8 @@ -100,6 +101,10 @@ next: ret i32 0 foo: +; CHECK-NOT: Undefined behavior: Buffer overflow +; CHECK-NOT: Memory reference address is misaligned + %e = bitcast i8* @E to i64* + store i64 0, i64* %e %z = add i32 0, 0 ; CHECK: unreachable immediately preceded by instruction without side effects unreachable |