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5 Commits

Author SHA1 Message Date
Matt Arsenault
5b56cc85b0 Rename ExpandISelPseudo->FinalizeISel, delay register reservation 
This allows targets to make more decisions about reserved registers
after isel. For example, now it should be certain there are calls or
stack objects in the frame or not, which could have been introduced by
legalization.

Patch by Matthias Braun

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363757 91177308-0d34-0410-b5e6-96231b3b80d8
 2019-06-19 00:25:39 +00:00
Simon Dardis
2bdc7ff150 [mips] Correct predicates for loads, bit manipulation instructions and some pseudos 
Additionally, correct the definition of the rdhwr instruction.

Reviewers: atanasyan, abeserminji, smaksimovic

Differential Revision: https://reviews.llvm.org/D48216


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@335162 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-06-20 19:59:58 +00:00
Puyan Lotfi
1076969bfe Followup on Proposal to move MIR physical register namespace to '$' sigil. 
Discussed here:

http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html

In preparation for adding support for named vregs we are changing the sigil for
physical registers in MIR to '$' from '%'. This will prevent name clashes of
named physical register with named vregs.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323922 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-01-31 22:04:26 +00:00
Puyan Lotfi
b931375195 [MIR] Repurposing '$' sigil used by external symbols. Replacing with '&'. 
Planning to add support for named vregs. This puts is in a conundrum since
physregs are named as well. To rectify this we need to use a sigil other than
'%' for physregs in MIR. We've settled on using '$' for physregs but first we
must repurpose it from external symbols using it, which is what this commit is
all about. We think '&' will have familiar semantics for C/C++ users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322146 91177308-0d34-0410-b5e6-96231b3b80d8
 2018-01-10 00:56:48 +00:00
Simon Dardis
4dacf84570 [mips] Add missing tests from rL315451 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315454 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-10-11 11:45:06 +00:00