[llvm] processtiedpairs (PR #65976)

[Jay Foad via llvm-commits]

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@@ -2,7 +2,8 @@
 ; Test removal of AND operations that don't affect last 6 bits of rotate amount
 ; operand.
 ;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefixes=CHECK,CHECK-LV
+; RUN: llc < %s -mtriple=s390x-linux-gnu -early-live-intervals | FileCheck %s -check-prefixes=CHECK,CHECK-LIS
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jayfoad wrote:

Ugh. I am still struggling with how to deal with stacked patches. In the first commit the separate prefixes are necessary. In the second patch, codegen improves and they are no longer needed.

https://github.com/llvm/llvm-project/pull/65976