Dan Gohman ca526959c1 [WebAssembly] Fix scheduling dependencies in register-stackified code
Add physical register defs to instructions used from stackified
instructions to prevent them from being scheduled into the middle of
a stack sequence. This is a conservative measure which may be loosened
in the future.

Differential Revision: http://reviews.llvm.org/D15252


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254811 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-05 00:51:40 +00:00
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