diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/and-compare.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/and-compare.ll | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/llvm/test/Transforms/InstCombine/and-compare.ll b/llvm/test/Transforms/InstCombine/and-compare.ll index 074f165fe22..ce6894f9b8e 100644 --- a/llvm/test/Transforms/InstCombine/and-compare.ll +++ b/llvm/test/Transforms/InstCombine/and-compare.ll @@ -18,7 +18,20 @@ define i1 @test1(i32 %a, i32 %b) { ret i1 %tmp } -define zeroext i1 @test2(i64 %A) { +define <2 x i1> @test1vec(<2 x i32> %a, <2 x i32> %b) { +; CHECK-LABEL: @test1vec( +; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> %a, %b +; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 65280, i32 65280> +; CHECK-NEXT: [[TMP:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer +; CHECK-NEXT: ret <2 x i1> [[TMP]] +; + %tmp1 = and <2 x i32> %a, <i32 65280, i32 65280> + %tmp3 = and <2 x i32> %b, <i32 65280, i32 65280> + %tmp = icmp ne <2 x i32> %tmp1, %tmp3 + ret <2 x i1> %tmp +} + +define i1 @test2(i64 %A) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 %A to i8 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[TMP1]], -1 @@ -29,7 +42,19 @@ define zeroext i1 @test2(i64 %A) { ret i1 %cmp } -define zeroext i1 @test3(i64 %A) { +; FIXME: Vectors should fold the same way. +define <2 x i1> @test2vec(<2 x i64> %A) { +; CHECK-LABEL: @test2vec( +; CHECK-NEXT: [[AND:%.*]] = and <2 x i64> %A, <i64 128, i64 128> +; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i64> [[AND]], zeroinitializer +; CHECK-NEXT: ret <2 x i1> [[CMP]] +; + %and = and <2 x i64> %A, <i64 128, i64 128> + %cmp = icmp eq <2 x i64> %and, zeroinitializer + ret <2 x i1> %cmp +} + +define i1 @test3(i64 %A) { ; CHECK-LABEL: @test3( ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 %A to i8 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[TMP1]], 0 @@ -39,3 +64,16 @@ define zeroext i1 @test3(i64 %A) { %cmp = icmp ne i64 %and, 0 ret i1 %cmp } + +; FIXME: Vectors should fold the same way. +define <2 x i1> @test3vec(<2 x i64> %A) { +; CHECK-LABEL: @test3vec( +; CHECK-NEXT: [[AND:%.*]] = and <2 x i64> %A, <i64 128, i64 128> +; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i64> [[AND]], zeroinitializer +; CHECK-NEXT: ret <2 x i1> [[CMP]] +; + %and = and <2 x i64> %A, <i64 128, i64 128> + %cmp = icmp ne <2 x i64> %and, zeroinitializer + ret <2 x i1> %cmp +} + |
