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7 Commits

Author SHA1 Message Date
Reid Kleckner
b951e5006e Consider regmasks when computing register-based DBG_VALUE live ranges 
Now register parameters that aren't saved to the stack or CSRs are
considered dead after the first call. Previously the debugger would show
whatever was in the register.

Fixes PR26589

Reviewers: aprantl

Differential Revision: http://reviews.llvm.org/D17211

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264429 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-03-25 17:54:46 +00:00
Daniel Berlin
d046f20351 Speed up LiveDebugValues 
Summary:
Use proper dataflow ordering to speed convergence.
This will converge the testcase on bug 26055 in 2 iterations.

(data structures speedups to come to make even that faster)

Reviewers: kcc, samsonov, echristo, dblaikie, tvvikram

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D16039

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257292 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-10 18:08:32 +00:00
Daniel Berlin
748e8f493a Don't use random class variables across functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257271 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-10 03:25:42 +00:00
Alexey Samsonov
a1505f1072 [LiveDebugValues] Replace several lines of code with operator[]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257114 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-07 23:38:45 +00:00
Vikram TV
b1415e7eba Recommit LiveDebugValues pass after fixing a couple of minor issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255759 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-16 11:09:48 +00:00
Mehdi Amini
b310704b13 Revert "Implement a new pass - LiveDebugValues - to compute the set of live DEBUG_VALUEs at each basic block and insert them. Reviewed and accepted at: http://reviews.llvm.org/D11933" 
This reverts commit r255096.

Break the bots: http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_check/16378/

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255101 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-09 08:17:42 +00:00
Vikram TV
2f351a5ca7 Implement a new pass - LiveDebugValues - to compute the set of live DEBUG_VALUEs at each basic block and insert them. Reviewed and accepted at: http://reviews.llvm.org/D11933 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255096 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-09 05:49:14 +00:00