Commit Graph

38680 Commits

Author SHA1 Message Date
Evan Cheng
a971dbdde2 - Check if a register is livein before removing it. It may have already been removed.
- Do not iterate over SmallPtrSet, the order of iteration is not deterministic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50209 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 09:06:33 +00:00
Chris Lattner
1734055999 % -> @
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50206 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 06:00:30 +00:00
Chris Lattner
05d670971e Doc updates/edits, contributed by Terence Parr!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50205 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 05:59:56 +00:00
Chris Lattner
eb5f4092d9 code restructuring, not functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50203 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 00:21:50 +00:00
Chris Lattner
7cb22ecf22 Don't replace multiple result of calls with undef,
sccp tracks getresult values, not call values in this
case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50202 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 00:19:54 +00:00
Chris Lattner
f4023a1ef6 code cleanup, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50201 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 00:16:28 +00:00
Chris Lattner
c9e495c534 Split some code out of the main SimplifyCFG loop into its own function.
Fix said code to handle merging return instructions together correctly
when handling multiple return values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50199 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 00:01:19 +00:00
Dan Gohman
3c02aca238 Make these variables static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50196 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 23:15:23 +00:00
Anton Korobeynikov
9692db9c09 Disable building of llvm2cpp. The directory will be removed before 2.3 release.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50193 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 22:46:24 +00:00
Anton Korobeynikov
0d9e02cfd6 Drop dead includes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50192 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 22:44:03 +00:00
Anton Korobeynikov
488fe315ea Fix tests due to llvm2cpp move to llc target
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50191 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 22:41:53 +00:00
Anton Korobeynikov
8d3e74ed49 Adjust option names for C++ backend
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50190 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 22:37:03 +00:00
Anton Korobeynikov
5027652b8a First step of implementing PR1538: move llvm2cpp logic to new 'target'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50189 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 22:29:24 +00:00
Dan Gohman
7661279ae0 Initial CBE support for multiple return values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50187 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 21:49:29 +00:00
Chris Lattner
80b8f5dd6b tighten up verifier checks which missed cases where
return instrs operands didn't match up with function results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50182 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 20:33:41 +00:00
Dan Gohman
67780f108c Use isa instead of dyn_cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50181 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 20:25:16 +00:00
Dan Gohman
3dc34f682d Add support to codegen for getresult instructions with undef operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50180 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 20:21:29 +00:00
Devang Patel
6829157f49 Check type instead of no. of operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50179 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 20:18:29 +00:00
Dan Gohman
9ac0ac5675 Allow llvm-as to parse a getresult with an undef operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50175 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 20:11:27 +00:00
Dale Johannesen
1f530a59f7 Rewrite previous patch to suit Chris's preference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50174 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:34:37 +00:00
Anton Korobeynikov
b013f5094c Unbreak JIT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50173 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:26:03 +00:00
Anton Korobeynikov
0e9ddde1cf Disable stack realignment for these tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50172 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:25:44 +00:00
Anton Korobeynikov
e44a4b3bd7 Fix test becase ABI stack alignment dropped to 'normal' value
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50171 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:25:16 +00:00
Anton Korobeynikov
51a8feea9b Fix test, instruction count is valid only if stack is not realigned
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50170 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:24:48 +00:00
Anton Korobeynikov
941ff5818b Fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50169 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:24:25 +00:00
Anton Korobeynikov
dc28bd43d3 Only allow increase of max alignment value
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50168 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:23:50 +00:00
Anton Korobeynikov
d52bdaff0c Be over-conservative: scan for all used virtual registers and calculate maximal stack alignment in assumption, that there will be spill of vector register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50167 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:23:30 +00:00
Anton Korobeynikov
856914fe00 Add X86 Maximal Stack Alignment Calculator Pass before RA
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50166 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:23:05 +00:00
Anton Korobeynikov
769b481e9f Add facility for pre-RA passes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50165 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:22:28 +00:00
Anton Korobeynikov
aadc780a56 Use precomputed value, if any
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50164 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:21:50 +00:00
Anton Korobeynikov
2c430cbf03 Do proper book-keeping of offsets and prologue/epilogue code for stack realignment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50163 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:21:27 +00:00
Anton Korobeynikov
8e91ec5e29 If stack realignment is used - incoming args will use EBP as base register and locals - ESP
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50162 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:21:02 +00:00
Anton Korobeynikov
b51dce3013 Eastimate required stack alignment early, so we can decide, whether we will need frame pointer or not
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50161 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:20:17 +00:00
Anton Korobeynikov
874384e20f Cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50160 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:19:47 +00:00
Anton Korobeynikov
d1c133a051 Cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50159 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:19:23 +00:00
Anton Korobeynikov
82751e3eda Simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50158 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:18:36 +00:00
Anton Korobeynikov
45709ae09b Make stack alignment options global for all targets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50157 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:18:10 +00:00
Anton Korobeynikov
cfcd20e7be Provide option for enabling-disabling stack realignment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50156 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:17:11 +00:00
Anton Korobeynikov
35410a493b Disable stack realignment for functions with dynamic-sized alloca's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50155 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:16:43 +00:00
Anton Korobeynikov
890fe888be Provide ABI-correct stack alignment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50154 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:16:16 +00:00
Anton Korobeynikov
9bbbea568c Provide convenient helpers for some operations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50153 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:15:48 +00:00
Anton Korobeynikov
e201190eb7 Whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50152 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 18:15:11 +00:00
Dan Gohman
55888274f2 Fix some whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50151 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 17:50:15 +00:00
Bill Wendling
480311b548 Use the Create static method for some of these objects. They no longer
have public constructors. This should fix PR2246.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50145 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 07:13:17 +00:00
Chris Lattner
4af6ad3789 simplify code for propagation of constant arguments into
callees.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50142 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 06:16:27 +00:00
Chris Lattner
e9625c6c88 Fix a number of bugs in ipconstantprop, simplify the code, fit in 80 cols,
fix read after free bug (PR2238).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50141 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 05:59:23 +00:00
Chris Lattner
c6ee00b8ee Rewrite multiple return value handling in SCCP. Before, the -sccp pass
would turn every getresult instruction into undef.  This helps with
rdar://5778210


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50140 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 05:38:20 +00:00
Chris Lattner
a925a14698 regenerate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50139 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 05:37:08 +00:00
Chris Lattner
f7dedf2d85 Validate that the result of a function type is valid using shared
logic with vmcore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50138 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 05:36:58 +00:00
Chris Lattner
d52b62ae05 Enforce that multiple return values have to have at least one result.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 05:36:34 +00:00