[llvm] MTM: improve operand latency when missing sched info (PR #101389)

[Matt Arsenault via llvm-commits]

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@@ -124,10 +124,10 @@ define i64 @scalar_i64(i64 %x, i64 %y, ptr %divdst) nounwind {
 ; X86-NEXT:    pushl %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
-; X86-NEXT:    movl {{[0-9]+}}(%esp), %ebx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %ebp
-; X86-NEXT:    pushl %ebp
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ebx
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arsenm wrote:

Should fix the missing models that cause any of the test changes? 

https://github.com/llvm/llvm-project/pull/101389