[llvm] [X86][DAGCombiner][SelectionDAG] - Fold Zext Build Vector to Bitcast of widen Build Vector (PR #135010)

[Phoebe Wang via llvm-commits]

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@@ -14,13 +14,13 @@ define void @func() {
 ; CHECK-NEXT:    retq
 ; CHECK-NEXT:    .p2align 4
 ; CHECK-NEXT:  .LBB0_1: # %bb33
-; CHECK-NEXT:   # =>This Inner Loop Header: Depth=1
-; CHECK-NEXT:    testb   %al, %al
-; CHECK-NEXT:    jne     .LBB0_1
-; CHECK-NEXT:  # %bb.2:                                # %bb35
-; CHECK-NEXT:  #   in Loop: Header=BB0_1 Depth=1
-; CHECK-NEXT:    testb   %al, %al
-; CHECK-NEXT:    jmp     .LBB0_1
+; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    testb %al, %al
+; CHECK-NEXT:    jne .LBB0_1
+; CHECK-NEXT:  # %bb.2: # %bb35
+; CHECK-NEXT:    # in Loop: Header=BB0_1 Depth=1
+; CHECK-NEXT:    testb %al, %al
+; CHECK-NEXT:    jmp .LBB0_1
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phoebewang wrote:

No real change in the file. Should be reverted.

https://github.com/llvm/llvm-project/pull/135010