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Diffstat (limited to 'test/Other/lint.ll')
-rw-r--r-- | test/Other/lint.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Other/lint.ll b/test/Other/lint.ll index f6787e9..d3ab988 100644 --- a/test/Other/lint.ll +++ b/test/Other/lint.ll @@ -79,6 +79,18 @@ define i32 @foo() noreturn { ; CHECK: Write to read-only memory call void @llvm.memcpy.p0i8.p0i8.i64(i8* bitcast (i32* @CG to i8*), i8* bitcast (i32* @CG to i8*), i64 1, i32 1, i1 0) +; CHECK: Undefined behavior: Buffer overflow + %wider = bitcast i8* %buf to i16* + store i16 0, i16* %wider +; CHECK: Undefined behavior: Buffer overflow + %inner = getelementptr {i8, i8}* %buf2, i32 0, i32 1 + %wider2 = bitcast i8* %inner to i16* + store i16 0, i16* %wider2 +; CHECK: Undefined behavior: Buffer overflow + %before = getelementptr i8* %buf, i32 -1 + %wider3 = bitcast i8* %before to i16* + store i16 0, i16* %wider3 + br label %next next: |