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754bc1f46c
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12514 Commits

Author SHA1 Message Date
Chris Lattner
754bc1f46c adjust prototype 
llvm-svn: 25798
 2006-01-30 03:49:07 +00:00
Jeff Cohen
f8d118706f Fix indentation. 
llvm-svn: 25795
 2006-01-29 22:02:52 +00:00
Chris Lattner
414a73d6f6 Fix RET of promoted values on targets that custom expand RET to a target node. 
llvm-svn: 25794
 2006-01-29 21:02:23 +00:00
Chris Lattner
2ab7f21d20 Functions that are lazily streamed in from the .bc file are *not* external. 
This fixes llvm-test/SingleSource/UnitTests/2006-01-29-SimpleIndirectCall.c
and PR704

llvm-svn: 25793
 2006-01-29 20:49:17 +00:00
Chris Lattner
9bb580ac23 add another note 
llvm-svn: 25789
 2006-01-29 09:46:06 +00:00
Chris Lattner
7ec490d6d6 add some performance notes from looking at sgefa 
llvm-svn: 25788
 2006-01-29 09:42:20 +00:00
Chris Lattner
7a775bff1e add a high-priority SSE issue from sgefa 
llvm-svn: 25787
 2006-01-29 09:14:47 +00:00
Chris Lattner
7048df99cd add a missed optimization 
llvm-svn: 25786
 2006-01-29 09:08:15 +00:00
Chris Lattner
497157db4d cleanups to the ValueTypeActions interface 
llvm-svn: 25785
 2006-01-29 08:42:06 +00:00
Chris Lattner
4c6384a412 Now that OpActions is big enough, we can specify actions for vector types 
llvm-svn: 25784
 2006-01-29 08:41:37 +00:00
Chris Lattner
81edad23a6 clean up interface to ValueTypeActions 
llvm-svn: 25783
 2006-01-29 08:41:12 +00:00
Chris Lattner
3cddcf86e0 Remove some special case hacks for CALLSEQ_*, using UpdateNodeOperands 
instead.

llvm-svn: 25780
 2006-01-29 07:58:15 +00:00
Chris Lattner
00e9ba5526 disable this for now 
llvm-svn: 25778
 2006-01-29 07:31:33 +00:00
Reid Spencer
2669d4cb81 Add a note about lowering llvm.memset, llvm.memcpy, and llvm.memmove to a 
few stores under certain conditions.

llvm-svn: 25777
 2006-01-29 06:48:25 +00:00
Chris Lattner
73262d78b8 remove now-dead code, the legalizer takes care of this for us 
llvm-svn: 25776
 2006-01-29 06:45:31 +00:00
Chris Lattner
b66484069a The FP stack doesn't support UNDEF, ask the legalizer to legalize it 
instead of lying and saying we have it.

llvm-svn: 25775
 2006-01-29 06:44:22 +00:00
Chris Lattner
94e9677374 Allow custom expansion of ConstantVec nodes. PPC will use this in the future. 
llvm-svn: 25774
 2006-01-29 06:34:16 +00:00
Chris Lattner
6c4173145e Request expansion of ConstantVec nodes. 
llvm-svn: 25773
 2006-01-29 06:32:58 +00:00
Chris Lattner
3f97b9cfa3 Legalize ConstantFP into TargetConstantFP when the target allows. Implement 
custom expansion of ConstantFP nodes.

llvm-svn: 25772
 2006-01-29 06:26:56 +00:00
Chris Lattner
5f0a3df176 Targets all now request ConstantFP to be legalized into TargetConstantFP. 
'fpimm' in .td files is now TargetConstantFP.

llvm-svn: 25771
 2006-01-29 06:26:08 +00:00
Chris Lattner
ca5c2d7a4c Update alpha to reflect recent constantfp legalize changes. It's not clear 
why all this code isn't autogenerated. :(

llvm-svn: 25770
 2006-01-29 06:25:22 +00:00
Chris Lattner
82b23c2f5c eliminate uses of SelectionDAG::getBR2Way_CC 
llvm-svn: 25767
 2006-01-29 06:00:45 +00:00
Chris Lattner
7a06abe72b cmovle != cmovlt 
llvm-svn: 25761
 2006-01-29 03:47:30 +00:00
Jeff Cohen
28a7bd94c9 Fix typo. 
llvm-svn: 25760
 2006-01-29 03:45:35 +00:00
Jeff Cohen
3ef56b005a Flesh out AMD family/models. 
llvm-svn: 25755
 2006-01-28 20:30:18 +00:00
Jeff Cohen
08656fa2a6 Correctly determine CPU vendor. 
llvm-svn: 25754
 2006-01-28 19:48:34 +00:00
Jeff Cohen
057816014c Use union instead of reinterpret_cast. 
llvm-svn: 25751
 2006-01-28 18:47:32 +00:00
Jeff Cohen
6d330738c1 Fix recognition of Intel CPUs. 
llvm-svn: 25750
 2006-01-28 18:38:20 +00:00
Chris Lattner
e5bf55bf7b Is64Bit reflects the capability of the chip, not an aspect of the target os 
llvm-svn: 25749
 2006-01-28 18:23:48 +00:00
Chris Lattner
0256ca3257 Fix a bunch of JIT failures with the new isel 
llvm-svn: 25748
 2006-01-28 18:19:37 +00:00
Jeff Cohen
4d971bdfa7 Improve X86 subtarget support for Windows and AMD. 
llvm-svn: 25747
 2006-01-28 18:09:06 +00:00
Chris Lattner
40973347bf Use the new "UpdateNodeOperands" method to simplify LegalizeDAG and make it 
faster.  This cuts about 120 lines of code out of the legalizer (mostly code
checking to see if operands have changed).

It also fixes an ugly performance issue, where the legalizer cloned the entire
graph after any change.  Now the "UpdateNodeOperands" method gives it a chance
to reuse nodes if the operands of a node change but not its opcode or valuetypes.

This speeds up instruction selection time on kimwitu++ by about 8.2% with a
release build.

llvm-svn: 25746
 2006-01-28 10:58:55 +00:00
Chris Lattner
744d9a40f0 silence a warning 
llvm-svn: 25745
 2006-01-28 10:34:47 +00:00
Chris Lattner
8768eb7532 add another method variant 
llvm-svn: 25744
 2006-01-28 10:09:25 +00:00
Chris Lattner
63f7e84632 add some methods for updating nodes 
llvm-svn: 25742
 2006-01-28 09:32:45 +00:00
Chris Lattner
99bdf26410 minor tweaks 
llvm-svn: 25740
 2006-01-28 08:31:04 +00:00
Chris Lattner
94ab3cee71 move a bunch of code, no other change. 
llvm-svn: 25739
 2006-01-28 08:25:58 +00:00
Chris Lattner
9633d61b5b remove a couple more now-extraneous legalizeop's 
llvm-svn: 25738
 2006-01-28 08:22:56 +00:00
Chris Lattner
4bc3abc3d0 fix a bug 
llvm-svn: 25737
 2006-01-28 07:42:08 +00:00
Chris Lattner
8eed1b6bda Several major changes: 
1. Pull out the expand cases for BSWAP and CT* into a separate function,
   reducing the size of LegalizeOp.
2. Fix a bug where expand(bswap i64) was wrong when i64 is legal.
3. Changed LegalizeOp/PromoteOp so that the legalizer never needs to be
   iterative.  It now operates in a single pass over the nodes.
4. Simplify a LOT of code, with a net reduction of ~280 lines.

llvm-svn: 25736
 2006-01-28 07:39:30 +00:00
Chris Lattner
d2eb15f467 Fix a bug in my elimination of ISD::CALL this morning. PPC now has to 
provide the expansion for i64 calls itself

llvm-svn: 25735
 2006-01-28 07:33:03 +00:00
Chris Lattner
686a1203f0 make this work on non-native hosts 
llvm-svn: 25734
 2006-01-28 06:05:41 +00:00
Chris Lattner
170727421b add a note about how we should implement this FIXME from the legalizer: 
// FIXME: revisit this when we have some kind of mechanism by which targets
    // can decided legality of vector constants, of which there may be very
    // many.

llvm-svn: 25733
 2006-01-28 05:40:47 +00:00
Chris Lattner
84086fd689 Eliminate the need for ExpandOp to set 'needsanotheriteration', as it already 
relegalizes the stuff it returns.

Add the ability to custom expand ADD/SUB, so that targets don't need to deal
with ADD_PARTS/SUB_PARTS if they don't want.

Fix some obscure potential bugs and simplify code.

llvm-svn: 25732
 2006-01-28 05:07:51 +00:00
Chris Lattner
3b5a984065 Instead of making callers of ExpandLibCall legalize the result, make 
ExpandLibCall do it itself.

llvm-svn: 25731
 2006-01-28 04:28:26 +00:00
Chris Lattner
045a778e63 Eliminate the need to do another iteration of the legalizer after inserting 
a libcall.

llvm-svn: 25730
 2006-01-28 04:23:12 +00:00
Chris Lattner
d6d4bcc419 remove method I just added 
llvm-svn: 25728
 2006-01-28 03:43:09 +00:00
Chris Lattner
063c13029b add a new callback 
llvm-svn: 25727
 2006-01-28 03:37:03 +00:00
Nate Begeman
87c2c0e66b Implement Promote for VAARG, and allow it to be custom promoted for people 
who don't want the default behavior (Alpha).

llvm-svn: 25726
 2006-01-28 03:14:31 +00:00
Nate Begeman
a46156da35 Add a couple more things to the readme. 
llvm-svn: 25724
 2006-01-28 01:22:10 +00:00