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5107 Commits

Author SHA1 Message Date
Evan Cheng
260e07ec8c Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, result_size - n - m))) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48578 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 02:18:41 +00:00
Devang Patel
bed7e68498 Keep track of analysis information inherited from Module pass manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 01:09:53 +00:00
Scott Michel
79698f60c4 Add more patterns to match in the integer comparison test harnesses. 
Fix bugs encountered, mostly due to range matching for immediates;
the CellSPU's 10-bit immediates are sign extended, covering a
larger range of unsigned values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 00:51:36 +00:00
Evan Cheng
dff1dcac6c Add intrinsics to match mmx shift builtin's with immediate operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 23:38:52 +00:00
Dan Gohman
7925ed05d0 Add support for multiple return values for the PPC target by 
converting call result lowering to use the CallingConvLowering
infastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 21:39:28 +00:00
Christopher Lamb
15cbde3cf6 Fix X86's isTruncateFree to not claim that truncate to i1 is free. This fixes Bill's testcase that failed for r48491. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 08:30:06 +00:00
Tanya Lattner
e6d5d39c07 Upgrade tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 07:28:33 +00:00
Tanya Lattner
ce7d5db4d8 Upgrade tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48536 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 05:39:35 +00:00
Tanya Lattner
7f40dea2f1 Upgrade tests to not use llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 04:36:04 +00:00
Tanya Lattner
f396cc8730 Upgrade tests to not use llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48529 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 04:14:49 +00:00
Tanya Lattner
3a4c856323 Remove llvm-upgrade and update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 03:47:13 +00:00
Evan Cheng
82a6d23700 Fixed a coalescer bug caused by a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 02:26:36 +00:00
Gordon Henriksen
dc1ce7bdc6 C and Objective Caml bindings for the various getParent methods of the IR. 
Based on Erick Tryzelaar's patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48523 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 01:11:35 +00:00
Evan Cheng
94202018c5 Fix live variables issues: 
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue.
2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register:
   = EAX, AX<imp-use,kill>
...
AX =
In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 00:52:20 +00:00
Evan Cheng
586ccac4ec Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs function implicitly reads X86::AL, don't clobber it! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:36:35 +00:00
Bill Wendling
dbfd894561 It might be nice to have this run as x86 on non-x86 platforms... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:38:22 +00:00
Bill Wendling
2974e49019 Temporarily revert r48491. It's breaking test/CodeGen/X86/xorl.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:29:51 +00:00
Daniel Berlin
d3bf1aef3f Fix PR 2160 by making sure arguments to external functions get marked as pointing to anything 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:22:53 +00:00
Tanya Lattner
856ce2da14 Do not pass -g flag when compiling tests, so remove the C.Flags. This only happens if you have a debug build of llvm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 19:59:04 +00:00
Dale Johannesen
cf49819877 Make conversions of i8/i16 to ppcf128 work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48493 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 17:28:38 +00:00
Christopher Lamb
981576c818 Target independent DAG transform to use truncate for field extraction + sign extend on targets where this is profitable. Passes nightly on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48491 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 16:46:39 +00:00
Evan Cheng
3c88d742d4 Rewrite code that propagate isDead information after a dead copy is coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48490 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 08:26:47 +00:00
Tanya Lattner
683283763f Upgrade tests to not use llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48484 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 04:14:37 +00:00
Tanya Lattner
f04d8d1593 Upgrade tests to not use llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 03:45:45 +00:00
Chris Lattner
9493268124 ensure we continue matching x86-64 rotates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48437 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 01:35:03 +00:00
Gordon Henriksen
3e0c835593 C and Objective Caml bindings for the TargetData class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48422 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 20:08:03 +00:00
Gordon Henriksen
41ba1546eb C and Objective Caml bindings for several scalar transforms. 
Patch originally by Erick Tryzelaar, but has been modified somewhat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48419 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 16:32:40 +00:00
Nick Lewycky
3f63785cc6 All of these tests had out of date syntax and were never even running through 
llvm-upgrade because nobody noticed them failing.

Update to use new syntax and actually check for the right failure by looking at
the error message.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48417 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 07:55:46 +00:00
Nick Lewycky
917a5d9425 Functions are allowed to return structures. (Note that this test never failed.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48416 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 07:49:49 +00:00
Nick Lewycky
2476841553 Regressions/ is long gone. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48415 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 07:31:23 +00:00
Gordon Henriksen
d78c0f5a72 C and Objective Caml bindings for PassManagers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48413 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 04:20:44 +00:00
Evan Cheng
c17ba8a28d Fix PR2138. Apparently any modification to a std::multimap (including remove entries for a different key) can invalidate multimap iterators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48371 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 20:44:01 +00:00
Bill Wendling
b9d4f8df70 The inst combining of inttoptr into GEP with one index was using the bit size of 
the type instead of the byte size. This was causing troublesome mis-compilations.

True to form, this took 2 days to find and is a one-line fix. :-P


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48354 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 05:12:19 +00:00
Dan Gohman
002e5d0a17 More APInt-ification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48344 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 22:13:53 +00:00
Owen Anderson
8a97fddbc2 Fix a bug in GVN that Duncan noticed, where we potentially need to insert a 
pointer bitcast when performing return slot optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48343 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 22:07:10 +00:00
Tanya Lattner
200d607b45 Fix error in testing for END. notation. 
Patch by Julien Lerouge. Thanks!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48342 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 22:02:51 +00:00
Evan Cheng
a56516ee08 New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48338 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 08:05:02 +00:00
Evan Cheng
d99464d647 A test case I forgot to check in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48335 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 06:42:46 +00:00
Evan Cheng
875357d213 TwoAddressInstructionPass enhancement. After it converts a two address instruction into a 3-address one, sink it past the instruction that kills the read-mod-write register if its definition is used past the kill. This reduces the number of live register by one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48333 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-13 06:37:55 +00:00
Evan Cheng
9e23336d0c Experimental scheduler change to schedule / coalesce the copies added for function livein's. Take 2008-03-10-RegAllocInfLoop.ll, the schedule looks like this after these copies are inserted: 
entry: 0x12049d0, LLVM BB @0x1201fd0, ID#0:
Live Ins: %EAX %EDX %ECX
        %reg1031<def> = MOVPC32r 0
        %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def>
        %reg1028<def> = MOV32rr %EAX
        %reg1029<def> = MOV32rr %EDX
        %reg1030<def> = MOV32rr %ECX
        %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x1201910 + 0]
        %reg1025<def> = MOV32rr %reg1029
        %reg1026<def> = MOV32rr %reg1030
        %reg1024<def> = MOV32rr %reg1028

The copies unnecessarily increase register pressure and it will end up requiring a physical register to be spilled.

With -schedule-livein-copies:
entry: 0x12049d0, LLVM BB @0x1201fa0, ID#0:
Live Ins: %EAX %EDX %ECX
        %reg1031<def> = MOVPC32r 0
        %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def>
        %reg1024<def> = MOV32rr %EAX
        %reg1025<def> = MOV32rr %EDX
        %reg1026<def> = MOV32rr %ECX
        %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x12018e0 + 0]

Much better!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48307 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 22:19:41 +00:00
Dan Gohman
89964b4ca1 Fix this test on hosts that don't have sse2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 20:40:51 +00:00
Chris Lattner
37f603f5d7 no need to keep around this output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48285 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 17:14:06 +00:00
Owen Anderson
6bb0bd52ec Improve the return slot optimization to be both more aggressive (not limited to sret parameters), and 
safer (when the passed pointer might be invalid).  Thanks to Duncan and Chris for the idea behind this, 
and extra thanks to Duncan for helping me work out the trap-safety.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48280 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 07:37:44 +00:00
Dan Gohman
38459f01c0 Make this test x86-specific for now; targets that don't use 
the automated CallingConv code to handle return values typically
don't support multiple return values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48265 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:25:14 +00:00
Devang Patel
8f9b551147 Fix attribute handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48262 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-12 00:07:03 +00:00
Dan Gohman
cb5b317890 Basic feature test for multiple return values in codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48260 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 23:53:16 +00:00
Anton Korobeynikov
f1765e8298 Testcase for PR2137 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48258 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:43:42 +00:00
Devang Patel
7db30ba701 Handle multiple ret values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48254 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 22:24:29 +00:00
Dan Gohman
882d87d168 Check to see if a two-entry PHI block can be simplified 
before trying to merge the block into its predecessors.
This allows two-entry-phi-return.ll to be simplified
into a single basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48252 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:53:06 +00:00
Dan Gohman
a8ab8938a7 Make this test more challenging to help it avoid being 
optimized away before it tests what it is intended to test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48251 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:47:57 +00:00
Anton Korobeynikov
0fb2033f91 Update testcase for recent aliases change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48250 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:42:20 +00:00
Dan Gohman
6a6d27ac0b Add a test to ensure that all-ones vectors are materialized with pcmpeqd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48247 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:37:00 +00:00
Dan Gohman
9736028d84 Use the correct value for InSignBit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48245 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 21:29:43 +00:00
Chris Lattner
e12ecf272d Implement basic support for the 'f' register class constraint. This basically 
works, but probably won't if you mix it with 't' or 'u' yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48243 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 19:50:13 +00:00
Dale Johannesen
01c18a7275 The feature this is testing did not work in the general case, 
and has been removed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48232 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 17:48:26 +00:00
Evan Cheng
9a8094159d Learn how to xfail a test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48219 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:51:31 +00:00
Evan Cheng
676dd7c80b When the register allocator runs out of registers, spill a physical register around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:19:34 +00:00
Evan Cheng
de13acf862 XFAIL due to Dale's change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48216 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:15:44 +00:00
Devang Patel
7c490d4104 Initial multiple return values support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48210 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 05:46:42 +00:00
Dan Gohman
43ca31e3dc Upgrade this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48207 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 02:19:59 +00:00
Dan Gohman
034f60ed24 Generalize ExpandIntToFP to handle the case where the operand is legal 
and it's the result that requires expansion. This code is a little confusing
because the TargetLoweringInfo tables for [US]INT_TO_FP use the operand type
(the integer type) rather than the result type. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48206 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 01:59:03 +00:00
Scott Michel
405fba12ce - Style cleanup in IA64ISelLowering.h: add 'virtual' keyword for consistency. 
- Add test pattern matching in CellSPU's icmp32.ll test harness
- Fix CellSPU fcmp.ll-generated assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48197 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 23:49:09 +00:00
Chris Lattner
03fdec04d1 Don't emit FP_REG_KILL into a block that just returns. Nothing 
can be live out of the block anyway, so it isn't needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48192 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 23:34:12 +00:00
Dan Gohman
a2e9485e34 Implement more support for fp-to-i128 and i128-to-fp conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48189 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 23:03:31 +00:00
Bill Wendling
2b65c4e7cc Update llc flags for PPC register scavenger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48187 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:59:08 +00:00
Anton Korobeynikov
8b9998ecc5 This passes now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48178 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:34:11 +00:00
Dan Gohman
76c605b18e Fix mul expansion to check the correct number of bits for 
zero extension when checking if an unsigned multiply is
safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48171 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 20:42:19 +00:00
Dale Johannesen
9faa255740 The __sync primitives only work on x86 and alpha; 
xfail this test elsewhere.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48164 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 18:38:31 +00:00
Devang Patel
3e030e41ae Simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48163 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 18:38:30 +00:00
Dale Johannesen
1da3d2743e Add -m32 to compilation line; test is only valid in 
32-bit environment.  PR 2136.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48159 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 17:56:53 +00:00
Dale Johannesen
45bcbf491c These tests don't work unless SSE2 is active. 
Judging from the checking comments this is intentional,
so add the flag (makes them pass on non-x86 host).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48157 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 17:33:57 +00:00
Dale Johannesen
ca765303fb There is no "-mattr=+sse1" flag; fix test for non-x86 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48156 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 17:13:37 +00:00
Scott Michel
78c47fa50b Integer comparison tests for CellSPU. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48152 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 16:58:52 +00:00
Evan Cheng
4ff3f1cc57 - Fix a subtle bug in RemoveCopyByCommutingDef. ALR is the live range where the source is defined; BLR is the live range which is defined by the copy. 
If ALR and BLR overlaps and end of BLR extends beyond end of ALR, e.g.                                                                                                 
 A = or A, B                                                                                                                                                            
 ...                                                                                                                                                                    
 B = A                                                                                                                                                                  
 ...                                                                                                                                                                    
 C = A<kill>                                                                                                                                                            
 ...                                                                                                                                                                    
   = B                                                                                                                                                                  
                                                                                                                                                                        
then do not add kills of A to the newly created B interval.
- Also fix some kill info update bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48141 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 08:11:32 +00:00
Tanya Lattner
ceca194c43 Remove llvm-upgrade and update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48137 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 07:21:50 +00:00
Evan Cheng
f79e60649a Avoid creating BUILD_VECTOR of all zero elements of "non-normalized" type (e.g. v8i16 on x86) after legalizer. Instruction selection does not expect to see them. In all likelihood this can only be an issue in a bugpoint reduced test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48136 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 07:19:13 +00:00
Chris Lattner
8d88dbcbae remove an execution test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48135 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 06:53:14 +00:00
Chris Lattner
3efa1a77b2 switch from hard coded g++/as tools to the ones detected from 
the build system.  Patch by Joachim Durchholz  for PR2121



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48134 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 06:52:10 +00:00
Chris Lattner
27137a5e34 Fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48133 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 06:49:40 +00:00
Chris Lattner
aadbda85a0 Fix PR2120 by changing the replacement order to change compile_cxx 
before compile_c.  Patch by Joachim Durchholz!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48132 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 06:45:35 +00:00
Nick Lewycky
9be3c97183 Turn unwind_to into "unwinds to". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48123 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 02:20:00 +00:00
Anton Korobeynikov
29c8c37045 This works on x86_64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48121 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 22:24:03 +00:00
Evan Cheng
7a0690d1b6 Fix RUN line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48116 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 19:55:22 +00:00
Anton Korobeynikov
e2dc21aa1d Temporary XFAIL the test, until I'll commit a fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48110 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 16:24:04 +00:00
Chris Lattner
f30e1cf9b7 teach X86InstrInfo::copyRegToReg how to copy into ST(0) from 
an RFP register class.

Teach ScheduleDAG how to handle CopyToReg with different src/dst 
reg classes.

This allows us to compile trivial inline asms that expect stuff
on the top of x87-fp stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48107 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 09:15:31 +00:00
Chris Lattner
02b6d25a27 Add ScheduleDAG support for copytoreg where the src/dst register are 
in different register classes, e.g. copy of ST(0) to RFP*.  This gets
some really trivial inline asm working that plops things on the top of
stack (PR879)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48105 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 08:49:15 +00:00
Tanya Lattner
76806b6a43 Remove llvm-upgrade and update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48103 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 08:16:40 +00:00
Nick Lewycky
3f4cc3101e Firstly, having a BranchInst isn't exclusive with having an unwind_to. 
Secondly, we have to check whether the branch is actually pointing to the block
with the unwind in it. We could have gotten here because of the unwind_to alone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 07:50:37 +00:00
Nick Lewycky
db96ae9607 A BB that unwind_to an "unwind" inst is that same as one that doesn't unwind_to 
at all.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48096 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 07:36:38 +00:00
Chris Lattner
ce6e492997 reduce this testcase more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48092 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 06:57:21 +00:00
Chris Lattner
67f453aae7 Finish implementing a readme entry: when inserting an i64 variable 
into a vector of zeros or undef, and when the top part is obviously
zero, we can just use movd + shuffle.  This allows us to compile
vec_set-B.ll into:

_test3:
	movl	$1234567, %eax
	andl	4(%esp), %eax
	movd	%eax, %xmm0
	ret

instead of:

_test3:
	subl	$28, %esp
	movl	$1234567, %eax
	andl	32(%esp), %eax
	movl	%eax, (%esp)
	movl	$0, 4(%esp)
	movq	(%esp), %xmm0
	addl	$28, %esp
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48090 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 05:42:06 +00:00
Nick Lewycky
6af31aab63 Update the inliner and simplifycfg to handle unwind_to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48086 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 05:10:13 +00:00
Nick Lewycky
c0d025f54f Prune the unwind_to labels on BBs that don't need them. Another step in the 
removal of invoke, PR1269.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48084 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 04:55:16 +00:00
Chris Lattner
62098040a1 Implement a readme entry, compiling 
#include <xmmintrin.h>
__m128i doload64(short x) {return _mm_set_epi16(0,0,0,0,0,0,0,1);}

into:
	movl	$1, %eax
	movd	%eax, %xmm0
	ret

instead of a constant pool load.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48063 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 01:05:04 +00:00
Chris Lattner
8aca4b13a8 upgrade this test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48062 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 00:32:10 +00:00
Chris Lattner
da8de316a8 make this test harder 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48061 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 00:30:06 +00:00
Chris Lattner
f3ba434781 Teach SD some vector identities, allowing us to compile vec_set-9 into: 
_test3:
	movd	%rdi, %xmm1
	#IMPLICIT_DEF %xmm0
	punpcklqdq	%xmm1, %xmm0
	ret

instead of:

_test3:
	#IMPLICIT_DEF %rax
	movd	%rax, %xmm0
	movd	%rdi, %xmm1
	punpcklqdq	%xmm1, %xmm0
	ret

This is still not ideal.  There is no reason to two xmm regs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48058 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 23:43:36 +00:00
Andrew Lenharth
ebb8d7ba16 much simpler test case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48045 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 02:05:22 +00:00
Evan Cheng
27b7db549e Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48042 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 00:58:38 +00:00
Dan Gohman
a2fcff4d97 Add support for calls with i128 return values on ppc64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48041 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 00:19:12 +00:00
Andrew Lenharth
b009d220aa add dropped section test case for PR2123 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48033 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 21:19:43 +00:00
Dan Gohman
9ed06db5c8 Add support for lowering 128-bit shifts on ppc64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:36:53 +00:00
Evan Cheng
d68f47c6fd Fixed a register scavenger bug. If a def is re-defining part of a super register, there must be an implicit def of the super-register on the MI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48024 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:12:54 +00:00
Devang Patel
12a466b9d0 Update inliner to handle functions that return multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:06:16 +00:00
Devang Patel
160e08fb3e Place for sret promotion tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:00:15 +00:00
Chris Lattner
d1108222fd mark frem as expand for all legal fp types on x86, regardless of whether 
we're using SSE or not.  This fixes PR2122.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 06:36:32 +00:00
Bill Wendling
65bc122045 Add testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48005 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 23:34:22 +00:00
Gabor Greif
2cf36e0772 some more spelling changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 10:51:21 +00:00
Evan Cheng
433f6f62ca Constant fold SIGN_EXTEND_INREG with ashr not lshr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47992 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 08:20:51 +00:00
Nick Lewycky
819a66cf25 Exercise the new CFG change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 06:55:58 +00:00
Nick Lewycky
64df3bc625 Commit the testcase too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47988 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 06:50:03 +00:00
Nick Lewycky
c1a2a61201 Don't try to simplify urem and srem using arithmetic rules that don't work 
under modulo (overflow). Fixes PR1933.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47987 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 06:48:30 +00:00
Scott Michel
4cb8bd8eff Refine Cell's i64 constant generation code to cover more constants where the 
upper and lower 32-bits are the same (in addition to 0 and -1 previously.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 04:02:54 +00:00
Scott Michel
53dec47f3b - Expand tabs to spaces. 
- select_bits.ll now fully functional now that PR1993 is closed. It was
  previously broken by refactoring in SPUInstrInfo.td and using multiclasses.
- Same for eqv.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:00:19 +00:00
Evan Cheng
ecb2a8b9bc Fix a coalescer bug wrt how dead copy interval is shortened. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47966 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 22:09:42 +00:00
Andrew Lenharth
f697ec3e53 test for something more interesting than not crashing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47962 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 20:24:26 +00:00
Andrew Lenharth
673d1bc036 sync ops on ptrs, was breaking libgomp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 19:48:27 +00:00
Anton Korobeynikov
6af4a751a2 Fix test not to emit junk into source directory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47947 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 15:44:25 +00:00
Anton Korobeynikov
038557dd18 Testcase for PR2054 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47946 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 15:43:58 +00:00
Chris Lattner
ec4a5672f8 Generalize FP constant shrinking optimization to apply to any vt 
except ppc long double.  This allows us to shrink constant pool
entries for x86 long double constants, which in turn allows us to
use flds/fldl instead of fldt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47938 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 06:48:13 +00:00
Evan Cheng
6fd599fa69 Add a target lowering hook to control whether it's worthwhile to compress fp constant. 
For x86, if sse2 is available, it's not a good idea since cvtss2sd is slower than a movsd load and it prevents load folding. On x87, it's important to shrink fp constant since fldt is very expensive.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 01:30:59 +00:00
Bill Wendling
3fab77eb25 Use -enable-ppc-regscavenger flag for these checks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47916 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 23:16:26 +00:00
Devang Patel
37963556e3 Use cast instead of dyn_cast. 
Update test to use multiple return value directly, instead of relying on -sretpromotion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47907 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:45:28 +00:00
Devang Patel
dc00d42bb1 Handle multiple return values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47904 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:15:15 +00:00
Evan Cheng
a26e0fe1b4 Really fix the test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47882 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 08:01:56 +00:00
Evan Cheng
6a2286a045 Fix broken test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47881 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 07:59:13 +00:00
Evan Cheng
f92dd28ab7 Add PR1501 test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47874 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 00:47:45 +00:00
Bill Wendling
7194aaf738 This is the initial check-in for adding register scavenging to PPC. (Currently, 
PPC-64 doesn't work.) This also lowers the spilling of the CR registers so that
it uses a register other than the default R0 register (the scavenger scrounges
for one). A significant part of this patch fixes how kill information is
handled.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 22:19:16 +00:00
Chris Lattner
c2a324fa36 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47858 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 21:59:00 +00:00
Chris Lattner
767486b1d5 Evan implemented these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47828 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 18:05:14 +00:00
Chris Lattner
3be4893dce Evan implemented this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47827 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 17:56:29 +00:00
Chris Lattner
a4239e7367 add a testcase for misc vector stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47826 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 08:57:59 +00:00
Nick Lewycky
f58d4dec98 Oops, can't unwind to the entry block (entry block may have no preds). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47808 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 03:34:55 +00:00
Nick Lewycky
fc82fabe00 Add an unwind_to field to basic blocks, making them Users instead of Values. 
This is the first checkin for PR1269, the new EH infrastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47802 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 02:48:09 +00:00
Tanya Lattner
ec9a35a6f9 Remove llvm-upgrade and update test cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 09:15:35 +00:00
Chris Lattner
ab3b77834c Fix PR2113 by verifying allocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47792 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 09:01:57 +00:00
Chris Lattner
ad23d43f18 Fix this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47791 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 09:00:21 +00:00
Tanya Lattner
9bc243b251 Remove llvm-upgrade and update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47784 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 07:38:40 +00:00
Bill Wendling
65201f5a43 DCE'ed this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 19:28:11 +00:00
Bill Wendling
97e3c01eb4 If we reload a virtual register that's already been assigned, we want to mark 
that instruction as its "last use". This fixes PR1925.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47758 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 18:52:01 +00:00
Chris Lattner
9d34c4d678 fix a bug Anders ran into where scalarrepl would crash when promoting 
a union containing a vector and an array whose elements were smaller than
the vector elements.  this means we need to compile the load of the 
array elements into an extract element plus a truncate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47752 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 07:12:06 +00:00
Chris Lattner
5ebd93630b Folding or(fcmp,fcmp) only works if the operands of the fcmps are the same fp type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47750 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 06:09:11 +00:00
Lauro Ramos Venancio
9b80bd8ea2 Update testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47735 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 23:13:15 +00:00
Gabor Greif
c0734e3c99 Fix http://llvm.org/bugs/show_bug.cgi?id=2104 by ordering lexicographically what gets printed. Be const-correct in PrintResults and uninline it too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47712 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 08:38:45 +00:00
Evan Cheng
e526d8a955 Set to default: x86 no longer fold and into test if it has more than one use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 07:46:38 +00:00
Dale Johannesen
0154e47ed0 New test for misaligned Altivec laod/store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47698 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:14:50 +00:00
Dan Gohman
ec59b95a19 Don't hard-code the mask size to be 32, which is incorrect on ppc64 
and was causing aborts with the new APInt changes. This may also be
fixing an obscure ppc64 bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 21:12:32 +00:00
Evan Cheng
21b3f31f8f Fix a bug in dead spill slot elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 19:57:11 +00:00
Chris Lattner
e416b7d407 actually run llc, thanks Dan :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 17:46:54 +00:00
Evan Cheng
be680dcea6 Don't track max alignment during stack object allocations since they can be deleted later. Let PEI compute it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47668 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:04:56 +00:00