[llvm] [DAG] Remove OneUse restriction when folding (shl (add x, c1), c2) (PR #69105)

[Wang Pengcheng via llvm-commits]

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@@ -249,27 +249,28 @@ entry:
 define i32 @multiuse(i32 %i, ptr %x, ptr %y) {
 ; CHECK-T1-LABEL: multiuse:
 ; CHECK-T1:       @ %bb.0: @ %entry
+; CHECK-T1-NEXT:    lsls r2, r0, #3
+; CHECK-T1-NEXT:    adds r1, r1, r2
+; CHECK-T1-NEXT:    ldr r1, [r1, #4]
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wangpc-pp wrote:

Is this a regression?

https://github.com/llvm/llvm-project/pull/69105