diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/and2.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/and2.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/and2.ll b/llvm/test/Transforms/InstCombine/and2.ll index 1af248b804c..afaddb701a9 100644 --- a/llvm/test/Transforms/InstCombine/and2.ll +++ b/llvm/test/Transforms/InstCombine/and2.ll @@ -110,6 +110,18 @@ define i64 @test9(i64 %x) { ret i64 %and } +; combine -x & 1 into x & 1 +define <2 x i64> @test9vec(<2 x i64> %x) { +; CHECK-LABEL: @test9vec( +; CHECK-NEXT: [[SUB:%.*]] = sub nsw <2 x i64> zeroinitializer, [[X:%.*]] +; CHECK-NEXT: [[AND:%.*]] = and <2 x i64> [[SUB]], <i64 1, i64 1> +; CHECK-NEXT: ret <2 x i64> [[AND]] +; + %sub = sub nsw <2 x i64> <i64 0, i64 0>, %x + %and = and <2 x i64> %sub, <i64 1, i64 1> + ret <2 x i64> %and +} + define i64 @test10(i64 %x) { ; CHECK-LABEL: @test10( ; CHECK-NEXT: [[AND:%.*]] = and i64 %x, 1 |
