[PATCH] D19061: [ARM] Add support for the X asm constraint

[silviu.baranga@arm.com via llvm-commits]

sbaranga updated this revision to Diff 54850.
sbaranga added a comment.

Add more comments for the regresion tests (explaining what's the
tests are doint and what's going on when we fail to emit constants/
labels).

Also add some additional comments in the lowering function
(pointing out that lowering to "r" or "w" is more restrictive than
necessary, possibly not handling as expected some code).


http://reviews.llvm.org/D19061

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  test/CodeGen/ARM/inlineasm-X-allocation.ll
  test/CodeGen/ARM/inlineasm-X-constraint.ll

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