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Author SHA1 Message Date
Chris Lattner
459f6ed05c move static function out of anon namespace, no functionality change. 
llvm-svn: 50330
 2008-04-27 23:48:12 +00:00
Chris Lattner
113de6b3a8 Another step to getting multiple result inline asm to work. 
llvm-svn: 50329
 2008-04-27 23:44:28 +00:00
Chris Lattner
bef7aa1d4b Allow asms to return multiple results by value. 
llvm-svn: 50328
 2008-04-27 23:33:55 +00:00
Anton Korobeynikov
1c5d228377 Properly lower vararg's FORMAL_ARGUMENTS node on win64 
llvm-svn: 50325
 2008-04-27 23:15:03 +00:00
Anton Korobeynikov
0df1f3bc6c Handle fp80 for win64 
llvm-svn: 50324
 2008-04-27 22:54:09 +00:00
Bill Wendling
2e2dab8423 Added support for: 
- defm and multiclass
- imbricatable multiline C style comment
- FIXME/TODO highlight in comment
- binary and hexadecimal number
- code using [{ }] is no highlighted as special (perhaps not the best
choice)
Patch by Cedric Venet!

llvm-svn: 50319
 2008-04-27 09:44:10 +00:00
Chris Lattner
0cd8c478f7 typo 
llvm-svn: 50316
 2008-04-27 01:49:46 +00:00
Chris Lattner
39a4281deb Implement a signficant optimization for inline asm: 
When choosing between constraints with multiple options,
like "ir", test to see if we can use the 'i' constraint and
go with that if possible.  This produces more optimal ASM in
all cases (sparing a register and an instruction to load it),
and fixes inline asm like this:

void test () {
  asm volatile (" %c0 %1 " : : "imr" (42), "imr"(14));
}

Previously we would dump "42" into a memory location (which
is ok for the 'm' constraint) which would cause a problem
because the 'c' modifier is not valid on memory operands.

Isn't it great how inline asm turns 'missed optimization'
into 'compile failed'??

Incidentally, this was the todo in 
PowerPC/2007-04-24-InlineAsm-I-Modifier.ll

Please do NOT pull this into Tak.

llvm-svn: 50315
 2008-04-27 00:37:18 +00:00
Chris Lattner
42aa4f9620 isa+cast -> dyn_cast 
llvm-svn: 50314
 2008-04-27 00:16:18 +00:00
Chris Lattner
b83aaaa855 Move a bunch of inline asm code out of line. 
llvm-svn: 50313
 2008-04-27 00:09:47 +00:00
Chris Lattner
b5bd654163 A few inline asm cleanups: 
- Make targetlowering.h fit in 80 cols.
  - Make LowerAsmOperandForConstraint const.
  - Make lowerXConstraint -> LowerXConstraint
  - Make LowerXConstraint return a const char* instead of taking a string byref.

llvm-svn: 50312
 2008-04-26 23:02:14 +00:00
Chris Lattner
1c98ff80c0 no need to implement this method and just have it call 
the default impl.

llvm-svn: 50311
 2008-04-26 22:59:59 +00:00
Chris Lattner
2798e42a9f When SRoA'ing a global variable, make sure the new globals get the 
appropriate alignment.  This fixes a miscompilation of 252.eon on
x86-64 (rdar://5891920).

Bill, please pull this into Tak.

llvm-svn: 50308
 2008-04-26 07:40:11 +00:00
Nate Begeman
1723f6af2b Feedback from chris 
llvm-svn: 50305
 2008-04-25 21:47:35 +00:00
Nate Begeman
acd7e1c464 Add a testcase for the recent "handle variable vector insert elt in mem" patch 
llvm-svn: 50303
 2008-04-25 21:26:59 +00:00
Dale Johannesen
cfba8d51b8 change comments per review 
llvm-svn: 50300
 2008-04-25 21:16:07 +00:00
Evan Cheng
db1497fa77 Update tests. 
llvm-svn: 50293
 2008-04-25 20:13:47 +00:00
Evan Cheng
318e7e042c Extract the lower 64-bit if a MMX value is passed in a XMM register. 
llvm-svn: 50292
 2008-04-25 20:13:28 +00:00
Evan Cheng
eaaec15b4f Fix illegal MMX_MOVDQ2Qrr pattern. vector_extract result must be a scalar value. 
llvm-svn: 50291
 2008-04-25 20:12:46 +00:00
Evan Cheng
11f101a800 Special handling for MMX values being passed in either GPR64 or lower 64-bits of XMM registers. 
llvm-svn: 50289
 2008-04-25 19:11:04 +00:00
Dan Gohman
c4b6768db4 Remove the code from CodeGenPrepare that moved getresult instructions 
to the block that defines their operands. This doesn't work in the
case that the operand is an invoke, because invoke is a terminator
and must be the last instruction in a block.

Replace it with support in SelectionDAGISel for copying struct values
into sequences of virtual registers.

llvm-svn: 50279
 2008-04-25 18:27:55 +00:00
Evan Cheng
0fe99f024d Fix MMX_MOVQ2DQrr pattern. It's illegal to do a bitconvert from a smaller type to a larger one. 
llvm-svn: 50278
 2008-04-25 18:19:54 +00:00
Chris Lattner
fb539f4468 new testcase 
llvm-svn: 50274
 2008-04-25 18:11:06 +00:00
Nate Begeman
f4adf0f05f Pull the code to perform an INSERT_VECTOR_ELT in memory out into its own 
function, and then use it to fix a bug in SplitVectorOp that expected inserts
to always have constant insertion indices.

llvm-svn: 50273
 2008-04-25 18:07:40 +00:00
Anton Korobeynikov
dad01d86e0 Update test 
llvm-svn: 50272
 2008-04-25 17:54:21 +00:00
Nate Begeman
928566cbfe Feedback from chris 
llvm-svn: 50271
 2008-04-25 17:45:52 +00:00
Chris Lattner
81742d7a8f add a note 
llvm-svn: 50267
 2008-04-25 17:25:00 +00:00
Evan Cheng
bbbe14502f 80 col violation. 
llvm-svn: 50266
 2008-04-25 17:21:40 +00:00
Nick Lewycky
1f831c0f57 Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
 2008-04-25 16:53:59 +00:00
Evan Cheng
37ca5de3b7 Not checking for intrinsics which do not have a chain operand. 
llvm-svn: 50260
 2008-04-25 08:55:28 +00:00
Evan Cheng
e177dc6696 - Switch from std::set to SmallPtrSet. 
- Add comments.

llvm-svn: 50259
 2008-04-25 08:22:20 +00:00
Evan Cheng
39ae78cadb MMX argument passing fixes: 
On Darwin / Linux x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].                                                                                                                                      
On Darwin / Linux x86-32, v1i64 values are passed in memory.                                                                                                                                                    
On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].                                                                                                                                     
On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.

llvm-svn: 50257
 2008-04-25 07:56:45 +00:00
Nate Begeman
26b6f640a1 Teach the PruningFunctionCloner how to look through loads with 
ConstantExpression GEPs pointing into constant globals.

llvm-svn: 50256
 2008-04-25 06:37:06 +00:00
Chris Lattner
8c9f6c929a Loosen up an assertion to allow intrinsics. I really have no 
idea what this code (findNonImmUse) does, so I'm only guessing 
that this is the right thing.  It would be really really nice
if this had comments and perhaps switched to SmallPtrSet
(hint hint) :)

This fixes rdar://5886601, a crash on gcc.target/i386/sse4_1-pblendw.c

llvm-svn: 50252
 2008-04-25 05:13:01 +00:00
Chris Lattner
1a6268f776 Don't infininitely thread branches when a threaded edge 
goes back to the block, e.g.:

  Threading edge through bool from 'bb37.us.thread3829' to 'bb37.us' with cost: 1, across block:

bb37.us:		; preds = %bb37.us.thread3829, %bb37.us, %bb33
	%D1361.1.us = phi i32 [ %tmp36, %bb33 ], [ %D1361.1.us, %bb37.us ], [ 0, %bb37.us.thread3829 ]		; <i32> [#uses=2]
	%tmp39.us = icmp eq i32 %D1361.1.us, 0		; <i1> [#uses=1]
	br i1 %tmp39.us, label %bb37.us, label %bb42.us

llvm-svn: 50251
 2008-04-25 04:12:29 +00:00
Gordon Henriksen
cd80583c68 PR2245: Misleading parameter name in llvm-c/Core.h:LLVMConstArray 
Applying fix by Frits van Bommel.

llvm-svn: 50250
 2008-04-25 03:21:19 +00:00
Gordon Henriksen
c440737166 PR2202: LLVMCreateInterpreter creates a JIT 
Applying fix by Frits van Bommel.

llvm-svn: 50249
 2008-04-25 02:52:30 +00:00
Evan Cheng
484060ba4a Fix bug in x86 memcpy / memset lowering. If there are trailing bytes not handled by rep instructions, a new memcpy / memset is introduced for them. However, since source / destination addresses are already adjusted, their offsets should be zero. 
llvm-svn: 50239
 2008-04-25 00:26:43 +00:00
Ted Kremenek
247bdc8ec7 Implement != for DenseSet iterators. 
llvm-svn: 50236
 2008-04-24 23:49:45 +00:00
Ted Kremenek
100956926c Added iterator support for DenseSet. 
llvm-svn: 50235
 2008-04-24 23:48:12 +00:00
Evan Cheng
906911f9e5 New test. 
llvm-svn: 50229
 2008-04-24 20:01:58 +00:00
Evan Cheng
c532dca878 Adjust inline cost computation to be less aggressive. 
llvm-svn: 50222
 2008-04-24 18:42:47 +00:00
Devang Patel
fed5cd5fe7 Add EXTRA_OPTIONS on the llvmgxx command line. 
llvm-svn: 50217
 2008-04-24 17:59:03 +00:00
Devang Patel
7ff3d5b65b Add EXTRA_OPTIONS on the llvmgcc command line. 
llvm-svn: 50216
 2008-04-24 17:54:25 +00:00
Evan Cheng
1a97cb159e - 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.

llvm-svn: 50209
 2008-04-24 09:06:33 +00:00
Chris Lattner
2b149f62af % -> @ 
llvm-svn: 50206
 2008-04-24 06:00:30 +00:00
Chris Lattner
ddd6b159be Doc updates/edits, contributed by Terence Parr! 
llvm-svn: 50205
 2008-04-24 05:59:56 +00:00
Chris Lattner
a646a59205 code restructuring, not functionality change. 
llvm-svn: 50203
 2008-04-24 00:21:50 +00:00
Chris Lattner
10ffed0ed0 Don't replace multiple result of calls with undef, 
sccp tracks getresult values, not call values in this
case.

llvm-svn: 50202
 2008-04-24 00:19:54 +00:00
Chris Lattner
8c6e641cf4 code cleanup, no functionality change. 
llvm-svn: 50201
 2008-04-24 00:16:28 +00:00