diff options
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/implies.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/implies.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/implies.ll b/llvm/test/Transforms/InstSimplify/implies.ll index b70dc90..8a01190 100644 --- a/llvm/test/Transforms/InstSimplify/implies.ll +++ b/llvm/test/Transforms/InstSimplify/implies.ll @@ -166,6 +166,19 @@ define i1 @test10(i32 %length.i, i32 %x.full) { ret i1 %res } +define i1 @test10_with_disjoint(i32 %length.i, i32 %x.full) { +; CHECK-LABEL: @test10_with_disjoint( +; CHECK-NEXT: ret i1 true +; + %x = and i32 %x.full, 4294901760 ;; 4294901760 == 0xffff0000 + %large = or disjoint i32 %x, 100 + %small = or disjoint i32 %x, 90 + %known = icmp ult i32 %large, %length.i + %to.prove = icmp ult i32 %small, %length.i + %res = icmp ule i1 %known, %to.prove + ret i1 %res +} + define i1 @test11(i32 %length.i, i32 %x) { ; CHECK-LABEL: @test11( ; CHECK-NEXT: [[LARGE:%.*]] = or i32 [[X:%.*]], 100 @@ -227,6 +240,19 @@ define i1 @test14(i32 %length.i, i32 %x.full) { ret i1 %res } +define i1 @test14_with_disjoint(i32 %length.i, i32 %x.full) { +; CHECK-LABEL: @test14_with_disjoint( +; CHECK-NEXT: ret i1 true +; + %x = and i32 %x.full, 4294905615 ;; 4294905615 == 0xffff0f0f + %large = or disjoint i32 %x, 8224 ;; == 0x2020 + %small = or disjoint i32 %x, 4112 ;; == 0x1010 + %known = icmp ult i32 %large, %length.i + %to.prove = icmp ult i32 %small, %length.i + %res = icmp ule i1 %known, %to.prove + ret i1 %res +} + define i1 @test15(i32 %length.i, i32 %x) { ; CHECK-LABEL: @test15( ; CHECK-NEXT: [[LARGE:%.*]] = add nuw i32 [[X:%.*]], 100 |