[llvm] [X86] Use RORX over SHR imm (PR #77964)

[Phoebe Wang via llvm-commits]

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@@ -157,7 +157,8 @@ define i1 @shr_to_shl_eq_i16_s1_fail(i16 %x) {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    movzwl %di, %eax
 ; CHECK-NEXT:    andl $32766, %edi # imm = 0x7FFE
-; CHECK-NEXT:    shrl %eax
+; CHECK-NOBMI-NEXT:    shrl %eax
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phoebewang wrote:

Use `utils/update_llc_test_checks.py` to update the test.

https://github.com/llvm/llvm-project/pull/77964