diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/implies.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/implies.ll b/llvm/test/Transforms/InstSimplify/implies.ll index ac46b8d2828..8e5bbf2c897 100644 --- a/llvm/test/Transforms/InstSimplify/implies.ll +++ b/llvm/test/Transforms/InstSimplify/implies.ll @@ -92,6 +92,30 @@ define <4 x i1> @test6(<4 x i1> %a, <4 x i1> %b) { ret <4 x i1> %res } +; i +_{nsw} 1 <s L ==> i < L +_{nsw} 1 +define i1 @test7(i32 %length.i, i32 %i) { +; CHECK-LABEL: @test7( +; CHECK: ret i1 true + %iplus1 = add nsw i32 %i, 1 + %len.plus.one = add nsw i32 %length.i, 1 + %var29 = icmp slt i32 %i, %len.plus.one + %var30 = icmp slt i32 %iplus1, %length.i + %res = icmp ule i1 %var30, %var29 + ret i1 %res +} + +; i +_{nuw} 1 <s L ==> i < L +_{nuw} 1 +define i1 @test8(i32 %length.i, i32 %i) { +; CHECK-LABEL: @test8( +; CHECK: ret i1 true + %iplus1 = add nuw i32 %i, 1 + %len.plus.one = add nuw i32 %length.i, 1 + %var29 = icmp ult i32 %i, %len.plus.one + %var30 = icmp ult i32 %iplus1, %length.i + %res = icmp ule i1 %var30, %var29 + ret i1 %res +} + ; X >=(s) Y == X ==> Y (i1 1 becomes -1 for reasoning) define i1 @test_sge(i32 %length.i, i32 %i) { ; CHECK-LABEL: @test_sge |
