diff --git a/llvm/test/Transforms/InstCombine/icmp.ll b/llvm/test/Transforms/InstCombine/icmp.ll index 12e8cc8f8a3a..0e2627b17688 100644 --- a/llvm/test/Transforms/InstCombine/icmp.ll +++ b/llvm/test/Transforms/InstCombine/icmp.ll @@ -762,6 +762,27 @@ define i1 @test52(i32 %x1) { ret i1 %A } +; TODO we have a 64-bit or less restriction in the handling for this pattern. We should remove that and do the same thing we do above. +define i1 @test52b(i128 %x1) { +; CHECK-LABEL: @test52b( +; CHECK-NEXT: [[CONV:%.*]] = and i128 [[X1:%.*]], 255 +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i128 [[CONV]], 127 +; CHECK-NEXT: [[TMP2:%.*]] = lshr i128 [[X1]], 16 +; CHECK-NEXT: [[TMP3:%.*]] = trunc i128 [[TMP2]] to i8 +; CHECK-NEXT: [[CMP15:%.*]] = icmp eq i8 [[TMP3]], 76 +; CHECK-NEXT: [[A:%.*]] = and i1 [[CMP]], [[CMP15]] +; CHECK-NEXT: ret i1 [[A]] +; + %conv = and i128 %x1, 255 + %cmp = icmp eq i128 %conv, 127 + %tmp2 = lshr i128 %x1, 16 + %tmp3 = trunc i128 %tmp2 to i8 + %cmp15 = icmp eq i8 %tmp3, 76 + + %A = and i1 %cmp, %cmp15 + ret i1 %A +} + ; PR9838 define i1 @test53(i32 %a, i32 %b) { ; CHECK-LABEL: @test53(