Tim Northover 991b12bf09 GlobalISel: combine extracts & sequences created for legalization ...

Legalization ends up creating many G_SEQUENCE/G_EXTRACT pairs which leads to
inefficient codegen (even for -O0), so add a quick pass over the function to
remove them again.

llvm-svn: 280155

2016-08-30 20:51:25 +00:00

6.2 KiB

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