[llvm] [ARM] Stop gluing ALU nodes to branches / selects (PR #116970)

[Simon Tatham via llvm-commits]

================
@@ -204,10 +204,11 @@ define i32 @f12(i32 %x, i32 %y) {
 define i32 @f13(i32 %x, i32 %y) {
 ; CHECK-LABEL: f13:
 ; CHECK:       @ %bb.0:
-; CHECK-NEXT:    and r2, r0, #4
-; CHECK-NEXT:    bic r0, r1, #255
-; CHECK-NEXT:    cmp r2, #42
-; CHECK-NEXT:    orrne r0, r0, #16
+; CHECK-NEXT:    and r0, r0, #4
+; CHECK-NEXT:    bic r1, r1, #255
----------------
statham-arm wrote:

This looks a bit odd too – it seemed obviously better the previous way, and there's no obvious reason why your change should have caused it.

https://github.com/llvm/llvm-project/pull/116970