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| author | Dan Gohman <gohman@apple.com> | 2011-07-01 01:03:43 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2011-07-01 01:03:43 +0000 |
| commit | 68c0dbc14fb7599987fb3e27be4e12c1ac36535e (patch) | |
| tree | d1eb614605e080339290cc5405e433c3b2ffd0ea /test/Transforms/InstSimplify | |
| parent | 5e653c925c7da969c3fb5fa9a46263ffb160b81e (diff) | |
| download | external_llvm-68c0dbc14fb7599987fb3e27be4e12c1ac36535e.zip external_llvm-68c0dbc14fb7599987fb3e27be4e12c1ac36535e.tar.gz external_llvm-68c0dbc14fb7599987fb3e27be4e12c1ac36535e.tar.bz2 | |
Improve constant folding of undef for cmp and select operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134223 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstSimplify')
| -rw-r--r-- | test/Transforms/InstSimplify/undef.ll (renamed from test/Transforms/InstSimplify/binop.ll) | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/binop.ll b/test/Transforms/InstSimplify/undef.ll index f4bc557..8134cc8 100644 --- a/test/Transforms/InstSimplify/binop.ll +++ b/test/Transforms/InstSimplify/undef.ll @@ -97,3 +97,31 @@ define i64 @test13() { %r = lshr i64 undef, undef ret i64 %r } + +; @test14 +; CHECK: ret i1 undef +define i1 @test14() { + %r = icmp slt i64 undef, undef + ret i1 %r +} + +; @test15 +; CHECK: ret i1 undef +define i1 @test15() { + %r = icmp ult i64 undef, undef + ret i1 %r +} + +; @test16 +; CHECK: ret i64 undef +define i64 @test16(i64 %a) { + %r = select i1 undef, i64 %a, i64 undef + ret i64 %r +} + +; @test17 +; CHECK: ret i64 undef +define i64 @test17(i64 %a) { + %r = select i1 undef, i64 undef, i64 %a + ret i64 %r +} |