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| author | Nuno Lopes <nunoplopes@sapo.pt> | 2012-05-03 21:19:58 +0000 |
|---|---|---|
| committer | Nuno Lopes <nunoplopes@sapo.pt> | 2012-05-03 21:19:58 +0000 |
| commit | 252ef566e8734b6bcf46434d0a7954c9eda0bd96 (patch) | |
| tree | b71231a8b801496ddd368cc3b642544a33bad547 /test | |
| parent | 1d61f283fad2e49d3e50a3585aac4cc9183a0d28 (diff) | |
| download | external_llvm-252ef566e8734b6bcf46434d0a7954c9eda0bd96.tar.gz external_llvm-252ef566e8734b6bcf46434d0a7954c9eda0bd96.tar.bz2 external_llvm-252ef566e8734b6bcf46434d0a7954c9eda0bd96.zip | |
add support for calloc to objectsize lowering
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156102 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/objsize.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/objsize.ll b/test/Transforms/InstCombine/objsize.ll index 28ceb68b49..6b5c0f56eb 100644 --- a/test/Transforms/InstCombine/objsize.ll +++ b/test/Transforms/InstCombine/objsize.ll @@ -158,3 +158,23 @@ define i32 @test7() { ret i32 %objsize } +declare noalias i8* @calloc(i32, i32) nounwind + +define i32 @test8() { +; CHECK: @test8 + %alloc = call noalias i8* @calloc(i32 5, i32 7) nounwind + %gep = getelementptr inbounds i8* %alloc, i32 5 + %objsize = call i32 @llvm.objectsize.i32(i8* %gep, i1 false) nounwind readonly +; CHECK: ret i32 30 + ret i32 %objsize +} + +; test for overflow in calloc +define i32 @test9() { +; CHECK: @test9 + %alloc = call noalias i8* @calloc(i32 100000000, i32 100000000) nounwind + %gep = getelementptr inbounds i8* %alloc, i32 2 + %objsize = call i32 @llvm.objectsize.i32(i8* %gep, i1 true) nounwind readonly +; CHECK: ret i32 0 + ret i32 %objsize +} |