diff options
Diffstat (limited to 'llvm/test/Transforms/InstSimplify')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/select.ll | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/llvm/test/Transforms/InstSimplify/select.ll b/llvm/test/Transforms/InstSimplify/select.ll index 4134191a3cf..e9c94170a94 100644 --- a/llvm/test/Transforms/InstSimplify/select.ll +++ b/llvm/test/Transforms/InstSimplify/select.ll @@ -160,10 +160,13 @@ define <2 x i8> @test11vec(<2 x i8> %X) { ret <2 x i8> %sel } +; TODO: we should be able to simplify this define i32 @test12(i32 %X) { ; CHECK-LABEL: @test12( -; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 3 -; CHECK-NEXT: ret i32 [[AND]] +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 4 +; CHECK-NEXT: [[AND:%.*]] = and i32 [[X]], 3 +; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[AND]] +; CHECK-NEXT: ret i32 [[COND]] ; %cmp = icmp ult i32 %X, 4 %and = and i32 %X, 3 @@ -186,10 +189,13 @@ define i32 @test12noncanon(i32 %X) { ret i32 %cond } +; TODO: we should be able to simplify this define i32 @test13(i32 %X) { ; CHECK-LABEL: @test13( -; CHECK-NEXT: [[AND:%.*]] = and i32 [[X:%.*]], 3 -; CHECK-NEXT: ret i32 [[AND]] +; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[X:%.*]], 3 +; CHECK-NEXT: [[AND:%.*]] = and i32 [[X]], 3 +; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], i32 [[AND]], i32 [[X]] +; CHECK-NEXT: ret i32 [[COND]] ; %cmp = icmp ugt i32 %X, 3 %and = and i32 %X, 3 |
