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6 Commits

Author SHA1 Message Date
Matt Arsenault b91805ea2b AMDGPU: Fix not expanding control flow after some kill blocks 
Also stop trying to insert skip blocks at end_cf. This
was inserting them at the end of the block which doesn't make
sense. The skip should be inserted at the beginning of the block
right after the end cf. Just remove this for now since no tests
seem to stress this and I think this can be handled more generally
later.

Fixes bug 28550

llvm-svn: 275510
 2016-07-15 00:58:15 +00:00
Matt Arsenault fa5a86a403 AMDGPU: Fix trying to skip from a block with no successors 
Found while reducing bug 28550

llvm-svn: 275509
 2016-07-15 00:58:13 +00:00
Matt Arsenault 83ab049af2 AMDGPU: Fix splitting kill blocks with defs before kill 
llvm-svn: 275508
 2016-07-15 00:58:09 +00:00
Matt Arsenault 0056868c4a AMDGPU: Fold out no-op kill intrinsics 
llvm-svn: 275253
 2016-07-13 06:04:22 +00:00
Matt Arsenault 786724a22e AMDGPU: Follow up to r275203 
I meant to squash this into it.

llvm-svn: 275220
 2016-07-12 21:41:32 +00:00
Matt Arsenault 657f871a4e AMDGPU: Fix verifier error with kill intrinsic 
Don't create a terminator in the middle of the block.
We should probably get rid of this intrinsic.

llvm-svn: 275203
 2016-07-12 19:01:23 +00:00