diff --git a/llvm/test/Transforms/ConstraintElimination/and.ll b/llvm/test/Transforms/ConstraintElimination/and.ll index 19cbf6c2d4455..284f98c6a45e4 100644 --- a/llvm/test/Transforms/ConstraintElimination/and.ll +++ b/llvm/test/Transforms/ConstraintElimination/and.ll @@ -452,3 +452,178 @@ exit: ret i1 %r.10 } +define i1 @test_and_chain_select_ule(i4 %x, i4 %y, i4 %z, i4 %a) { +; CHECK-LABEL: @test_and_chain_select_ule( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[C_1:%.*]] = icmp ule i4 [[X:%.*]], [[Y:%.*]] +; CHECK-NEXT: [[C_2:%.*]] = icmp ule i4 [[Y]], [[Z:%.*]] +; CHECK-NEXT: [[C_3:%.*]] = icmp ule i4 3, [[X]] +; CHECK-NEXT: [[C_4:%.*]] = icmp ule i4 3, [[A:%.*]] +; CHECK-NEXT: [[AND_1:%.*]] = select i1 [[C_1]], i1 [[C_1]], i1 false +; CHECK-NEXT: [[AND_2:%.*]] = select i1 [[AND_1]], i1 [[C_3]], i1 false +; CHECK-NEXT: [[AND_3:%.*]] = select i1 [[C_4]], i1 [[AND_2]], i1 false +; CHECK-NEXT: br i1 [[AND_3]], label [[BB1:%.*]], label [[EXIT:%.*]] +; CHECK: bb1: +; CHECK-NEXT: [[T_1:%.*]] = icmp ule i4 [[X]], [[Z]] +; CHECK-NEXT: [[T_2:%.*]] = icmp ule i4 [[X]], [[Y]] +; CHECK-NEXT: [[R_1:%.*]] = xor i1 [[T_1]], [[T_2]] +; CHECK-NEXT: [[T_3:%.*]] = icmp ule i4 [[Y]], [[Z]] +; CHECK-NEXT: [[R_2:%.*]] = xor i1 [[R_1]], [[T_3]] +; CHECK-NEXT: [[T_4:%.*]] = icmp ule i4 3, [[X]] +; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], [[T_4]] +; CHECK-NEXT: [[T_5:%.*]] = icmp ule i4 3, [[A]] +; CHECK-NEXT: [[R_4:%.*]] = xor i1 [[R_3]], [[T_5]] +; CHECK-NEXT: [[C_5:%.*]] = icmp ule i4 [[X]], [[A]] +; CHECK-NEXT: [[R_5:%.*]] = xor i1 [[R_4]], [[C_5]] +; CHECK-NEXT: ret i1 [[R_5]] +; CHECK: exit: +; CHECK-NEXT: [[C_6:%.*]] = icmp ule i4 [[X]], [[Z]] +; CHECK-NEXT: [[C_7:%.*]] = icmp ule i4 [[X]], [[A]] +; CHECK-NEXT: [[R_6:%.*]] = xor i1 [[C_6]], [[C_7]] +; CHECK-NEXT: [[C_8:%.*]] = icmp ule i4 [[X]], [[Y]] +; CHECK-NEXT: [[R_7:%.*]] = xor i1 [[R_6]], [[C_8]] +; CHECK-NEXT: [[C_9:%.*]] = icmp ule i4 [[Y]], [[Z]] +; CHECK-NEXT: [[R_8:%.*]] = xor i1 [[R_7]], [[C_9]] +; CHECK-NEXT: [[C_10:%.*]] = icmp ule i4 3, [[X]] +; CHECK-NEXT: [[R_9:%.*]] = xor i1 [[R_8]], [[C_10]] +; CHECK-NEXT: [[C_11:%.*]] = icmp ule i4 3, [[A]] +; CHECK-NEXT: [[R_10:%.*]] = xor i1 [[R_9]], [[C_11]] +; CHECK-NEXT: ret i1 [[R_10]] +; +entry: + %c.1 = icmp ule i4 %x, %y + %c.2 = icmp ule i4 %y, %z + %c.3 = icmp ule i4 3, %x + %c.4 = icmp ule i4 3, %a + %and.1 = select i1 %c.1, i1 %c.1, i1 false + %and.2 = select i1 %and.1, i1 %c.3, i1 false + %and.3 = select i1 %c.4, i1 %and.2, i1 false + br i1 %and.3, label %bb1, label %exit + +bb1: + %t.1 = icmp ule i4 %x, %z + %t.2 = icmp ule i4 %x, %y + %r.1 = xor i1 %t.1, %t.2 + + %t.3 = icmp ule i4 %y, %z + %r.2 = xor i1 %r.1, %t.3 + + %t.4 = icmp ule i4 3, %x + %r.3 = xor i1 %r.2, %t.4 + + %t.5 = icmp ule i4 3, %a + %r.4 = xor i1 %r.3, %t.5 + + %c.5 = icmp ule i4 %x, %a + %r.5 = xor i1 %r.4, %c.5 + + ret i1 %r.5 + +exit: + %c.6 = icmp ule i4 %x, %z + %c.7 = icmp ule i4 %x, %a + %r.6 = xor i1 %c.6, %c.7 + + %c.8 = icmp ule i4 %x, %y + %r.7 = xor i1 %r.6, %c.8 + + %c.9 = icmp ule i4 %y, %z + %r.8 = xor i1 %r.7, %c.9 + + %c.10 = icmp ule i4 3, %x + %r.9 = xor i1 %r.8, %c.10 + + %c.11 = icmp ule i4 3, %a + %r.10 = xor i1 %r.9, %c.11 + + ret i1 %r.10 +} + +define i1 @test_and_chain_select_ule_logical_or(i4 %x, i4 %y, i4 %z, i4 %a) { +; CHECK-LABEL: @test_and_chain_select_ule_logical_or( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[C_1:%.*]] = icmp ule i4 [[X:%.*]], [[Y:%.*]] +; CHECK-NEXT: [[C_2:%.*]] = icmp ule i4 [[Y]], [[Z:%.*]] +; CHECK-NEXT: [[C_3:%.*]] = icmp ule i4 3, [[X]] +; CHECK-NEXT: [[C_4:%.*]] = icmp ule i4 3, [[A:%.*]] +; CHECK-NEXT: [[AND_1:%.*]] = select i1 [[C_1]], i1 [[C_1]], i1 false +; CHECK-NEXT: [[AND_2:%.*]] = select i1 [[AND_1]], i1 [[C_3]], i1 false +; CHECK-NEXT: [[AND_3:%.*]] = select i1 [[C_4]], i1 [[AND_2]], i1 false +; CHECK-NEXT: [[AND_4:%.*]] = select i1 [[AND_3]], i1 true, i1 false +; CHECK-NEXT: br i1 [[AND_4]], label [[BB1:%.*]], label [[EXIT:%.*]] +; CHECK: bb1: +; CHECK-NEXT: [[T_1:%.*]] = icmp ule i4 [[X]], [[Z]] +; CHECK-NEXT: [[T_2:%.*]] = icmp ule i4 [[X]], [[Y]] +; CHECK-NEXT: [[R_1:%.*]] = xor i1 [[T_1]], [[T_2]] +; CHECK-NEXT: [[T_3:%.*]] = icmp ule i4 [[Y]], [[Z]] +; CHECK-NEXT: [[R_2:%.*]] = xor i1 [[R_1]], [[T_3]] +; CHECK-NEXT: [[T_4:%.*]] = icmp ule i4 3, [[X]] +; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], [[T_4]] +; CHECK-NEXT: [[T_5:%.*]] = icmp ule i4 3, [[A]] +; CHECK-NEXT: [[R_4:%.*]] = xor i1 [[R_3]], [[T_5]] +; CHECK-NEXT: [[C_5:%.*]] = icmp ule i4 [[X]], [[A]] +; CHECK-NEXT: [[R_5:%.*]] = xor i1 [[R_4]], [[C_5]] +; CHECK-NEXT: ret i1 [[R_5]] +; CHECK: exit: +; CHECK-NEXT: [[C_6:%.*]] = icmp ule i4 [[X]], [[Z]] +; CHECK-NEXT: [[C_7:%.*]] = icmp ule i4 [[X]], [[A]] +; CHECK-NEXT: [[R_6:%.*]] = xor i1 [[C_6]], [[C_7]] +; CHECK-NEXT: [[C_8:%.*]] = icmp ule i4 [[X]], [[Y]] +; CHECK-NEXT: [[R_7:%.*]] = xor i1 [[R_6]], [[C_8]] +; CHECK-NEXT: [[C_9:%.*]] = icmp ule i4 [[Y]], [[Z]] +; CHECK-NEXT: [[R_8:%.*]] = xor i1 [[R_7]], [[C_9]] +; CHECK-NEXT: [[C_10:%.*]] = icmp ule i4 3, [[X]] +; CHECK-NEXT: [[R_9:%.*]] = xor i1 [[R_8]], [[C_10]] +; CHECK-NEXT: [[C_11:%.*]] = icmp ule i4 3, [[A]] +; CHECK-NEXT: [[R_10:%.*]] = xor i1 [[R_9]], [[C_11]] +; CHECK-NEXT: ret i1 [[R_10]] +; +entry: + %c.1 = icmp ule i4 %x, %y + %c.2 = icmp ule i4 %y, %z + %c.3 = icmp ule i4 3, %x + %c.4 = icmp ule i4 3, %a + %and.1 = select i1 %c.1, i1 %c.1, i1 false + %and.2 = select i1 %and.1, i1 %c.3, i1 false + %and.3 = select i1 %c.4, i1 %and.2, i1 false + %and.4 = select i1 %and.3, i1 true, i1 false + br i1 %and.4, label %bb1, label %exit + +bb1: + %t.1 = icmp ule i4 %x, %z + %t.2 = icmp ule i4 %x, %y + %r.1 = xor i1 %t.1, %t.2 + + %t.3 = icmp ule i4 %y, %z + %r.2 = xor i1 %r.1, %t.3 + + %t.4 = icmp ule i4 3, %x + %r.3 = xor i1 %r.2, %t.4 + + %t.5 = icmp ule i4 3, %a + %r.4 = xor i1 %r.3, %t.5 + + %c.5 = icmp ule i4 %x, %a + %r.5 = xor i1 %r.4, %c.5 + + ret i1 %r.5 + +exit: + %c.6 = icmp ule i4 %x, %z + %c.7 = icmp ule i4 %x, %a + %r.6 = xor i1 %c.6, %c.7 + + %c.8 = icmp ule i4 %x, %y + %r.7 = xor i1 %r.6, %c.8 + + %c.9 = icmp ule i4 %y, %z + %r.8 = xor i1 %r.7, %c.9 + + %c.10 = icmp ule i4 3, %x + %r.9 = xor i1 %r.8, %c.10 + + %c.11 = icmp ule i4 3, %a + %r.10 = xor i1 %r.9, %c.11 + + ret i1 %r.10 +}