[llvm] [X86] check test changes due to legalising dshuffles (PR #186673)

[Simon Pilgrim via llvm-commits]

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@@ -13,8 +13,8 @@
 define i64 @lshift1(i64 %a, i64 %b) nounwind readnone uwtable {
 ; CHECK-LABEL: lshift1:
 ; CHECK:       # %bb.0: # %entry
-; CHECK-NEXT:    shrq $63, %rsi
-; CHECK-NEXT:    leaq (%rsi,%rdi,2), %rax
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RKSimon wrote:

Its going to be interesting to see how easy it is to get this codegen back via MC.

https://github.com/llvm/llvm-project/pull/186673