Revert "AArch64: Use CMP;CCMP sequences for and/or/setcc trees."

The patch triggers a miscompile on SPEC 2006 403.gcc with the (ref)
200.i and scilab.i inputs. I opened PR23866 to track analysis of this.

This reverts commit r238793.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239880 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/AArch64/arm64-ccmp.ll

@@ -287,43 +287,3 @@ sw.bb.i.i:
   %code1.i.i.phi.trans.insert = getelementptr inbounds %str1, %str1* %0, i64 0, i32 0, i32 0, i64 16
   br label %sw.bb.i.i
 }
-
-; CHECK-LABEL: select_and
-define i64 @select_and(i32 %v1, i32 %v2, i64 %a, i64 %b) {
-; CHECK: cmp
-; CHECK: ccmp{{.*}}, #0, ne
-; CHECK: csel{{.*}}, lt
-  %1 = icmp slt i32 %v1, %v2
-  %2 = icmp ne i32 5, %v2
-  %3 = and i1 %1, %2
-  %sel = select i1 %3, i64 %a, i64 %b
-  ret i64 %sel
-}
-
-; CHECK-LABEL: select_or
-define i64 @select_or(i32 %v1, i32 %v2, i64 %a, i64 %b) {
-; CHECK: cmp
-; CHECK: ccmp{{.*}}, #8, eq
-; CHECK: csel{{.*}}, lt
-  %1 = icmp slt i32 %v1, %v2
-  %2 = icmp ne i32 5, %v2
-  %3 = or i1 %1, %2
-  %sel = select i1 %3, i64 %a, i64 %b
-  ret i64 %sel
-}
-
-; CHECK-LABEL: select_complicated
-define i16 @select_complicated(double %v1, double %v2, i16 %a, i16 %b) {
-; CHECK: fcmp
-; CHECK: fccmp{{.*}}, #4, ne
-; CHECK: fccmp{{.*}}, #1, ne
-; CHECK: fccmp{{.*}}, #4, vc
-; CEHCK: csel{{.*}}, eq
-  %1 = fcmp one double %v1, %v2
-  %2 = fcmp oeq double %v2, 13.0
-  %3 = fcmp oeq double %v1, 42.0
-  %or0 = or i1 %2, %3
-  %or1 = or i1 %1, %or0
-  %sel = select i1 %or1, i16 %a, i16 %b
-  ret i16 %sel
-}