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| author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
| commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
| tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Transforms/InstSimplify/exact-nsw-nuw.ll | |
| parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
| download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 | |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Transforms/InstSimplify/exact-nsw-nuw.ll')
| -rw-r--r-- | test/Transforms/InstSimplify/exact-nsw-nuw.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/exact-nsw-nuw.ll b/test/Transforms/InstSimplify/exact-nsw-nuw.ll index a0e326b..5ccc808 100644 --- a/test/Transforms/InstSimplify/exact-nsw-nuw.ll +++ b/test/Transforms/InstSimplify/exact-nsw-nuw.ll @@ -42,3 +42,19 @@ define i32 @shift5(i32 %A, i32 %B) { %D = ashr i32 %C, %B ret i32 %D } + +; CHECK-LABEL: @div1( +; CHECK: ret i32 0 +define i32 @div1(i32 %V) { + %A = udiv i32 %V, -2147483648 + %B = udiv i32 %A, -2147483648 + ret i32 %B +} + +; CHECK-LABEL: @div2( +; CHECK-NOT: ret i32 0 +define i32 @div2(i32 %V) { + %A = sdiv i32 %V, -1 + %B = sdiv i32 %A, -2147483648 + ret i32 %B +} |