; RUN: opt -passes=newgvn -disable-output < %s define void @test(i1 %arg, i1 %arg1) { bb: %alloca = alloca i64, i32 0, align 8 %alloca2 = alloca i64, i32 0, align 8 %load = load i64, ptr null, align 8 %icmp = icmp ult i64 0, %load br i1 %icmp, label %bb24, label %bb25 bb24: ; preds = %bb unreachable bb25: ; preds = %bb store i64 %load, ptr %alloca, align 8 %load26 = load i64, ptr addrspace(1) null, align 8 %icmp27 = icmp ugt i64 %load26, 1 br i1 %icmp27, label %bb28, label %bb29 bb28: ; preds = %bb25 unreachable bb29: ; preds = %bb25 %icmp30 = icmp ugt i64 %load26, 0 br i1 %icmp30, label %bb34, label %bb31 bb31: ; preds = %bb38, %bb29 %load32 = load i64, ptr addrspace(1) null, align 8 %icmp33 = icmp ugt i64 %load32, 1 br i1 %icmp33, label %bb42, label %bb43 bb34: ; preds = %bb29 %load35 = load i64, ptr addrspace(1) null, align 8 store i64 %load35, ptr null, align 8 %load36 = load i64, ptr null, align 8 br label %bb37 bb37: ; preds = %bb37, %bb34 %phi = phi i64 [ 0, %bb37 ], [ %load36, %bb34 ] %inttoptr = inttoptr i64 %phi to ptr addrspace(1) br i1 false, label %bb37, label %bb38 bb38: ; preds = %bb37 %load39 = load i64, ptr null, align 8 %inttoptr40 = inttoptr i64 %load39 to ptr addrspace(1) %load41 = load i64, ptr addrspace(1) %inttoptr40, align 8 %shl = shl i64 %load26, 0 %and = and i64 %shl, 0 br label %bb31 bb42: ; preds = %bb31 unreachable bb43: ; preds = %bb31 %load44 = load i64, ptr null, align 8 %load45 = load i64, ptr null, align 8 %icmp46 = icmp ugt i64 1, %load45 br i1 %icmp46, label %bb51, label %bb60 bb47: ; preds = %bb60, %bb55, %bb51 %load48 = load i64, ptr %alloca, align 8 %inttoptr49 = inttoptr i64 %load48 to ptr addrspace(1) %load50 = load i64, ptr addrspace(1) %inttoptr49, align 8 br i1 %arg, label %bb63, label %bb75 bb51: ; preds = %bb43 %load52 = load i64, ptr addrspace(1) null, align 8 store i64 %load52, ptr %alloca2, align 8 %load53 = load i64, ptr null, align 8 store i64 %load53, ptr null, align 8 %icmp54 = icmp ult i64 0, %load32 br i1 %icmp54, label %bb55, label %bb47 bb55: ; preds = %bb51 %load56 = load i64, ptr null, align 8 %or = or i64 %load56, 0 %inttoptr57 = inttoptr i64 %or to ptr addrspace(1) %load58 = load i64, ptr addrspace(1) %inttoptr57, align 8 %and59 = and i64 %load32, 0 br label %bb47 bb60: ; preds = %bb43 %or61 = or i64 %load44, 0 %load62 = load i64, ptr addrspace(1) null, align 8 store i64 %load62, ptr null, align 8 br label %bb47 bb63: ; preds = %bb47 %load64 = load i64, ptr addrspace(1) inttoptr (i64 64 to ptr addrspace(1)), align 8 %inttoptr65 = inttoptr i64 %load64 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr65, align 8 %or66 = or i64 %load64, 4 %inttoptr67 = inttoptr i64 %or66 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr67, align 8 %or68 = or i64 %load64, 36 %inttoptr69 = inttoptr i64 %or68 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr69, align 8 %or70 = or i64 %load64, 68 %inttoptr71 = inttoptr i64 %or70 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr71, align 8 %load72 = load i64, ptr null, align 8 %shl73 = shl i64 %load72, 0 %or74 = or i64 %shl73, 0 store i64 %or74, ptr null, align 8 unreachable bb75: ; preds = %bb47 br i1 %arg1, label %bb88, label %bb76 bb76: ; preds = %bb75 %load77 = load i64, ptr addrspace(1) inttoptr (i64 64 to ptr addrspace(1)), align 8 %inttoptr78 = inttoptr i64 %load77 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr78, align 8 %or79 = or i64 %load77, 4 %inttoptr80 = inttoptr i64 %or79 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr80, align 8 %or81 = or i64 %load77, 36 %inttoptr82 = inttoptr i64 %or81 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr82, align 8 %or83 = or i64 %load77, 68 %inttoptr84 = inttoptr i64 %or83 to ptr addrspace(1) store i64 0, ptr addrspace(1) %inttoptr84, align 8 %load85 = load i64, ptr null, align 8 %shl86 = shl i64 %load85, 0 %or87 = or i64 %shl86, 0 store i64 %or87, ptr null, align 8 unreachable bb88: ; preds = %bb75 %load89 = load i64, ptr addrspace(1) null, align 8 %icmp90 = icmp ugt i64 %load89, 0 br i1 %icmp90, label %bb91, label %bb92 bb91: ; preds = %bb88 unreachable bb92: ; preds = %bb88 br i1 false, label %bb93, label %bb95 bb93: ; preds = %bb93, %bb92 %phi94 = phi i64 [ 0, %bb93 ], [ %load89, %bb92 ] br label %bb93 bb95: ; preds = %bb92 %load96 = load i64, ptr null, align 8 br label %bb98 bb97: ; preds = %bb98 ret void bb98: ; preds = %bb98, %bb95 %phi99 = phi i64 [ %load96, %bb95 ], [ 0, %bb98 ] %inttoptr100 = inttoptr i64 %phi99 to ptr %load101 = load i64, ptr %inttoptr100, align 8 br i1 false, label %bb98, label %bb97 }