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891 Commits

Author SHA1 Message Date
Evan Cheng
ed66e855ec Temporary hack to enable more (store (op (load ...))) folding. This makes 
it possible when a TokenFactor is between the load and store. But is still
missing some cases due to ordering issue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26638 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 08:19:11 +00:00
Evan Cheng
6f8aaf2cb0 Don't generate silly matching code like this: 
if (N1.getOpcode() == ISD::ADD &&
     ...)
   if (... &&
       (N1.getNumOperands() == 1 || !isNonImmUse(N1.Val, N10.Val))) &&
       ...)

TableGen knows N1 must have more than one operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26592 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-07 08:31:27 +00:00
Chris Lattner
56879b2d96 Silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26508 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 19:34:28 +00:00
Chris Lattner
b672d981a8 Fix pasteo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26499 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:13:41 +00:00
Chris Lattner
3b2397211b remove a bunch of long-dead testing code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26497 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 02:34:28 +00:00
Chris Lattner
9e493cfcc3 initial implementation of intrinsic parsing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26495 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 02:32:46 +00:00
Chris Lattner
3d87811ce0 remove out of date comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26492 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 02:04:07 +00:00
Chris Lattner
ed5424196d Add support for "-Ifoo" in addition to "-I foo" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26487 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:53:40 +00:00
Chris Lattner
c1d6e4eba7 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26486 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:47:37 +00:00
Chris Lattner
d9f5d90af1 add support for multiple include directories 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26485 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 01:47:14 +00:00
Evan Cheng
9073dea7c0 New vector type v2f32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 01:10:52 +00:00
Chris Lattner
fd105d464a Select inline asm memory operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26349 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 02:13:31 +00:00
Evan Cheng
aea20f50e5 Added x86 integer vector types: 64-bit packed byte integer (v16i8), 64-bit 
packed word integer (v8i16), and 64-bit packed doubleword integer (v2i32).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-20 22:34:53 +00:00
Jeff Cohen
bce4805d6f Fix bugs identified by VC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26287 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-18 03:20:33 +00:00
Evan Cheng
fbad70808c Bump up pattern cost if the resulting instruction is marked 
usesCustomDAGSchedInserter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26282 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-18 02:33:09 +00:00
Chris Lattner
bdd3c1604e Check the new form for bison output into CVS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26208 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 07:24:01 +00:00
Chris Lattner
e8242b168c Adjust to new form of handling lexer dependencies, this way shouldn't have 
the problems the old way did.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26161 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 05:13:13 +00:00
Evan Cheng
67212a05e6 Call InsertISelMapEntry rather than map insertion operator to prevent overly 
aggrssive inlining. This reduces Select_store frame size from 24k to 10k.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26095 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 22:12:27 +00:00
Evan Cheng
d7805a741d Match getTargetNode() changes (now returns SDNode* instead of SDOperand). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26084 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 07:16:09 +00:00
Evan Cheng
34167215a8 Change Select() from 
SDOperand Select(SDOperand N);
to
void Select(SDOperand &Result, SDOperand N);


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26067 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 00:37:58 +00:00
Evan Cheng
3468864f08 Added options -cflag, -cxxflags, and -ldflags to override the default C 
compilation, C++ compilation, and linker options.
e.g. This is the options I use for testing on my x86 iMac:
nice ./NightlyTest.pl -release -cflags "-Os -DNDEBUG -fomit-frame-pointer" -cxxflags "-Os -DNDEBUG -finline-functions -felide-constructors -fomit-frame-pointer"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26057 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 09:08:06 +00:00
Evan Cheng
917707a73f Remove -pedantic. It no longer works. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26055 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 07:28:22 +00:00
Evan Cheng
21ad392ee6 Hoist all SDOperand declarations within a Select_{opcode}() to the top level 
to reduce stack memory usage. This is intended to work around the gcc bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 00:37:41 +00:00
Chris Lattner
04cadb3684 Add support for modifier strings in machine instr descriptions. This allows 
us to avoid creating lots of "Operand" types with different printers, instead
we can fold several together and use modifiers.  For example, we can now use:

${target:call} to say that the operand should be printed like a 'call' operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26024 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 23:40:48 +00:00
Chris Lattner
b03b080a82 Simplify the variant handling code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26023 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:43:28 +00:00
Evan Cheng
7cd19d038f At the end of isel, select a replacement node for each handle that does not 
have one. This can happen if a load's real uses are dead (i.e. they do not
have uses themselves).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26014 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 08:12:55 +00:00
Evan Cheng
024524fe9b Name change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26013 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 06:03:35 +00:00
Evan Cheng
0a83ed506c Handle HANDLENODE: just return itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26011 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:46:14 +00:00
Evan Cheng
e41bf82107 Allow more loads to be folded which were previously prevented from happening 
due to ordering issue. i.e. they were selected for chain use first.
Now at load select time, check if it is being selected for a chain use and if
it has only a single real use. If so, return a HANDLENODE (with the load as
its operand) in its place and record it.
When it is folded or the load is selected for a real use, the isel records it
as the replacement for the HANDLENODE. The replacement is done when all nodes
are selected.
This scheme exposed a couple of problems where cycles can happen. (See comments
in EmitMatchCode() for descriptions of the problems and their workaround /
solutions.) These problems have been resolved with a small compile time
penality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25995 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:43:12 +00:00
Evan Cheng
2216d8ad2f Re-committing the last bit of change. It shouldn't break PPC this time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25982 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:22:18 +00:00
Chris Lattner
9ed44818c5 Temporarily revert the last change, which breaks PPC and other targets that 
DO select things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25970 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 09:23:06 +00:00
Evan Cheng
9c4815a036 Complex pattern's custom matcher should not call Select() on any operands. 
Select them afterwards if it returns true.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25968 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-04 08:50:49 +00:00
Chris Lattner
3e1798086b node predicates add to the complexity of a pattern. This ensures that the 
X86 backend attempts to match small-immediate versions of instructions before
the full size immediate versions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25937 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 18:06:02 +00:00
Evan Cheng
e4a8a6e645 (store (op (load ...))) folding problem. In the generated matching code, 
Chain is initially set to the chain operand of store node, when it reaches
load, if it matches the load then Chain is set to the chain operand of the
load.

However, if the matching code that follows this fails, isel moves on to the
next pattern but it does not restore Chain to the chain operand of the store.
So when it tries to match the next store / op / load pattern it would fail on
the Chain == load.getOperand(0) test.

The solution is for each chain operand to get a unique name. e.g. Chain10.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25931 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 06:22:41 +00:00
Chris Lattner
1cf9d961b2 add a note, ya knoe 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25880 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 19:12:23 +00:00
Evan Cheng
657416cfba If a pattern's root node is a constant, its size should be 3 rather than 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25870 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 06:06:31 +00:00
Chris Lattner
d9aadd4d15 solaris won't clobber an existing symlink with ln -sf apparently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25849 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 16:10:53 +00:00
Chris Lattner
273d463bef implement test/Regression/TableGen/DagIntSubst.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25836 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 06:02:35 +00:00
Chris Lattner
7859313bae simplify some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25791 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 20:01:35 +00:00
Andrew Lenharth
8e51773bb7 it is nice not to chop off bits for those blessed with lots of bits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25766 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 05:22:37 +00:00
Andrew Lenharth
2cba57cb09 make the casts actually cast to the variable type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25765 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 05:17:22 +00:00
Andrew Lenharth
5c6bdf71d4 start of the 64bit safety cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25764 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 05:07:04 +00:00
Chris Lattner
24e00a4ac1 Emit series of conditionals with &&, emitting stuff like this: 
if (N1.getOpcode() == ISD::LOAD &&
        N1.hasOneUse() &&
        !CodeGenMap.count(N1.getValue(0)) &&
        !CodeGenMap.count(N1.getValue(1))) {

instead of this:

    if (N1.getOpcode() == ISD::LOAD) {
      if (N1.hasOneUse()) {
        if (!CodeGenMap.count(N1.getValue(0))) {
          if (!CodeGenMap.count(N1.getValue(1))) {


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25763 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 04:41:05 +00:00
Chris Lattner
8bc7472a0c Factor matching code that is common between patterns. This works around 
GCC not jump-threading across this common code, and produces far nicer
output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25762 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 04:25:26 +00:00
Chris Lattner
2bd4dd7668 Split out code generation from analysis from emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25759 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 02:57:39 +00:00
Chris Lattner
355408bcb7 move some code around, no change in the generated code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25758 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 02:43:35 +00:00
Chris Lattner
67a202bc42 now that we have control over emission of the code, emit the code using nested 
"if" statements (indenting it appropriately, of course) instead of using goto's.

This inverts the logic for all of the if statements, which makes things simpler
to understand in addition to making the generated code easier to read.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25757 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 20:43:52 +00:00
Chris Lattner
8a0604b523 Change PatternCodeEmitter to emit code into a buffer instead of emitting it 
directly to the output file.  This makes things simple because the code doesn't
have to worry about indentation or the case when there is no goto.  It also
allows us to indent the code better without touching everything :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25756 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 20:31:24 +00:00
Reid Spencer
24200d63fd Make long warnings wrap and have less indent so other portions of the page 
are not skewed out of view.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25753 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 19:44:48 +00:00
Chris Lattner
488580c1ed Fit to 80 columns, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25752 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-28 19:06:51 +00:00