[PATCH] D41463: [CodeGen] Add a new pass to sink Copy instructions after RA

Jun Bum Lim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 26 12:36:46 PST 2018


junbuml added inline comments.


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Comment at: test/DebugInfo/X86/dbg-value-transfer-order.ll:1
-; RUN: llc < %s | FileCheck %s
+; RUN: llc < %s -disable-postra-machine-sink | FileCheck %s
 
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thegameg wrote:
> Just curious: what happened here? Is some debug info missing after this pass?
There was minor block  structure change by sinking two COPYs into an empty block.  Instead of disabling the pass, I changed block names accordingly. 


https://reviews.llvm.org/D41463





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