switch (Pred) {
default:
break;
- case CmpInst::ICMP_ULT:
- // If B is a signed positive constant, A >=s 0 and A <s B.
- if (doesHold(CmpInst::ICMP_SGE, B, ConstantInt::get(B->getType(), 0))) {
- addFact(CmpInst::ICMP_SGE, A, ConstantInt::get(B->getType(), 0),
- IsNegated, NumIn, NumOut, DFSInStack);
- addFact(CmpInst::ICMP_SLT, A, B, IsNegated, NumIn, NumOut, DFSInStack);
- }
- break;
case CmpInst::ICMP_SLT:
if (doesHold(CmpInst::ICMP_SGE, A, ConstantInt::get(B->getType(), 0)))
addFact(CmpInst::ICMP_ULT, A, B, IsNegated, NumIn, NumOut, DFSInStack);
; CHECK-NEXT: [[IDX_SHL_1:%.*]] = shl nuw i8 [[IDX]], 1
; CHECK-NEXT: [[ADD_PTR_SHL_1:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i8 [[IDX_SHL_1]]
; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[ADD_PTR_SHL_1]], [[MAX]]
-; CHECK-NEXT: call void @use(i1 true)
+; CHECK-NEXT: call void @use(i1 [[C_MAX_0]])
; CHECK-NEXT: [[IDX_SHL_2:%.*]] = shl nuw i8 [[IDX]], 2
; CHECK-NEXT: [[ADD_PTR_SHL_2:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i8 [[IDX_SHL_2]]
; CHECK-NEXT: [[C_MAX_1:%.*]] = icmp ult i32* [[ADD_PTR_SHL_2]], [[MAX]]
; CHECK: then.1:
; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8 [[IDX]], [[LEN]]
; CHECK-NEXT: [[T_2:%.*]] = icmp sge i8 [[IDX]], 0
-; CHECK-NEXT: [[R_1:%.*]] = xor i1 true, true
+; CHECK-NEXT: [[R_1:%.*]] = xor i1 true, [[T_2]]
; CHECK-NEXT: [[C_1:%.*]] = icmp sge i8 [[IDX]], 1
; CHECK-NEXT: [[R_2:%.*]] = xor i1 [[R_1]], [[C_1]]
; CHECK-NEXT: [[C_2:%.*]] = icmp sge i8 [[LEN]], 1
-; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], true
+; CHECK-NEXT: [[R_3:%.*]] = xor i1 [[R_2]], [[C_2]]
; CHECK-NEXT: ret i1 [[R_3]]
; CHECK: else:
; CHECK-NEXT: [[C_3:%.*]] = icmp sge i8 [[IDX]], 0
; CHECK: then:
; CHECK-NEXT: [[T_0:%.*]] = icmp sge i8 [[A]], 0
; CHECK-NEXT: [[T_1:%.*]] = icmp slt i8 [[A]], 4
-; CHECK-NEXT: [[RES_1:%.*]] = xor i1 true, true
+; CHECK-NEXT: [[RES_1:%.*]] = xor i1 [[T_0]], [[T_1]]
; CHECK-NEXT: [[C_0:%.*]] = icmp slt i8 [[A]], 5
-; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], true
+; CHECK-NEXT: [[RES_2:%.*]] = xor i1 [[RES_1]], [[C_0]]
; CHECK-NEXT: ret i1 [[RES_2]]
; CHECK: else:
; CHECK-NEXT: [[C_2:%.*]] = icmp sge i8 [[A]], 0