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37559 Commits

Author SHA1 Message Date
Anton Korobeynikov
2601d7ee50 Honour aliases visibility during asm emission 
llvm-svn: 48249
 2008-03-11 21:41:14 +00:00
Anton Korobeynikov
db691cbd6d Honour aliases visibility when reading from/writing to bitcode 
llvm-svn: 48248
 2008-03-11 21:40:17 +00:00
Dan Gohman
6616836e71 Add a test to ensure that all-ones vectors are materialized with pcmpeqd. 
llvm-svn: 48247
 2008-03-11 21:37:00 +00:00
Evan Cheng
a3891365b5 Transfer physical register spill info when load / store folding happens. 
llvm-svn: 48246
 2008-03-11 21:34:46 +00:00
Dan Gohman
44b4c07cd1 Use the correct value for InSignBit. 
llvm-svn: 48245
 2008-03-11 21:29:43 +00:00
Dan Gohman
1351025a91 Initial codegen support for functions and calls with multiple return values. 
llvm-svn: 48244
 2008-03-11 21:11:25 +00:00
Chris Lattner
8abed80a69 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.

llvm-svn: 48243
 2008-03-11 19:50:13 +00:00
Chris Lattner
7b27ccfd5e coalesce away 80-bit floating point copies. 
llvm-svn: 48241
 2008-03-11 19:30:09 +00:00
Chris Lattner
7930d8e775 convert a massive if statement to a switch. 
llvm-svn: 48240
 2008-03-11 19:28:17 +00:00
Chris Lattner
120ad01fcb start handling the 'f' x87 constraint. 
llvm-svn: 48239
 2008-03-11 19:06:29 +00:00
Devang Patel
70c238a1d8 Skip functions that return multiple values. 
llvm-svn: 48233
 2008-03-11 18:04:06 +00:00
Dale Johannesen
1b12647544 The feature this is testing did not work in the general case, 
and has been removed.

llvm-svn: 48232
 2008-03-11 17:48:26 +00:00
Devang Patel
5aafa6ee1f Fix getOperand() for ReturnInst. 
llvm-svn: 48229
 2008-03-11 17:35:03 +00:00
Devang Patel
5663fe6613 Become multiple return value aware. 
Right now, the pass does not optimize tail recursions 
involving multiple return values.

llvm-svn: 48228
 2008-03-11 17:33:32 +00:00
Devang Patel
e418de3023 Add TODO reminder. 
llvm-svn: 48227
 2008-03-11 17:32:05 +00:00
Dan Gohman
d3a20c9e1e Give PassManager and FunctionPassManager a common base class, with 
add(Pass *) as a pure virtual member function. This will allow all
the various addPassesTo* functions in LLVM to avoid hard-coding what
type of PassManager is used. 

llvm-svn: 48226
 2008-03-11 16:41:42 +00:00
Dan Gohman
dfdf2c0633 Fix typos in comments. 
llvm-svn: 48225
 2008-03-11 16:18:48 +00:00
Christopher Lamb
342e4104d3 Missed part of recommit. 
llvm-svn: 48224
 2008-03-11 10:27:36 +00:00
Christopher Lamb
aa7c2105de Recommitting parts of r48130. These do not appear to cause the observed failures. 
llvm-svn: 48223
 2008-03-11 10:09:17 +00:00
Christopher Lamb
a731239c30 Recommitting changes after more testing. These appear to cause no problems. 
llvm-svn: 48222
 2008-03-11 09:33:47 +00:00
Evan Cheng
d54660aeed Use TargetRegisterInfo::getPhysicalRegisterRegClass. Remove duplicated code. 
llvm-svn: 48221
 2008-03-11 07:55:13 +00:00
Evan Cheng
d85667b89c If there are multiple register classes that a register belongs to, return the super-class (e.g. on x86, returns GR32, not GR32_). 
llvm-svn: 48220
 2008-03-11 07:54:14 +00:00
Evan Cheng
34e5b34426 Learn how to xfail a test. 
llvm-svn: 48219
 2008-03-11 07:51:31 +00:00
Evan Cheng
e88a625ecd 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. 
llvm-svn: 48218
 2008-03-11 07:19:34 +00:00
Evan Cheng
5b59e372dc In 32-bit mode, mark 64-bit GPR's as unallocatable. 
llvm-svn: 48217
 2008-03-11 07:16:00 +00:00
Evan Cheng
756f9d9c51 XFAIL due to Dale's change. 
llvm-svn: 48216
 2008-03-11 07:15:44 +00:00
Duncan Sands
b29f93613d Some LegalizeTypes code factorization and minor 
enhancements.

llvm-svn: 48215
 2008-03-11 06:41:14 +00:00
Chris Lattner
5c7bda440f compile: double test() {} 
into:

_test:
	fldz
	ret

instead of:

_test:
	subl	$12, %esp
	#IMPLICIT_DEF %xmm0
	movsd	%xmm0, (%esp)
	fldl	(%esp)
	addl	$12, %esp
	ret

llvm-svn: 48213
 2008-03-11 06:21:08 +00:00
Nick Lewycky
a3860a2422 Fix the build on gcc 4.2. 
llvm-svn: 48212
 2008-03-11 05:56:09 +00:00
Devang Patel
d0f476471d fix grammer 
llvm-svn: 48211
 2008-03-11 05:51:59 +00:00
Devang Patel
a7a2075ab8 Initial multiple return values support. 
llvm-svn: 48210
 2008-03-11 05:46:42 +00:00
Chris Lattner
1bd44363f2 Change the model for FP Stack return to use fp operands on the 
RET instruction instead of using FpSET_ST0_32.  This also generalizes
the code to handling returning of multiple FP results.

llvm-svn: 48209
 2008-03-11 03:23:40 +00:00
Chris Lattner
3e0ec65678 variadic instructions don't have operand info for variadic arguments. 
llvm-svn: 48208
 2008-03-11 03:14:42 +00:00
Dan Gohman
319234d67c Upgrade this test. 
llvm-svn: 48207
 2008-03-11 02:19:59 +00:00
Dan Gohman
d6819da453 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. 

llvm-svn: 48206
 2008-03-11 01:59:03 +00:00
Chris Lattner
d3090bcfc8 If a register operand comes from the variadic part of a node, don't 
verify the register constraint matches what the instruction expects.

llvm-svn: 48205
 2008-03-11 00:59:28 +00:00
Evan Cheng
850e143cbf Temporarily revert 48175. 
llvm-svn: 48204
 2008-03-11 00:27:34 +00:00
Anton Korobeynikov
2591afca0a Fix thinko: alias always defines new symbol. Even is aliasee itself is undefined. 
llvm-svn: 48203
 2008-03-11 00:24:53 +00:00
Dan Gohman
10f7d850cf More APInt-ification. 
llvm-svn: 48201
 2008-03-11 00:11:06 +00:00
Chris Lattner
6aa4f515bb emit an ID # for each regclass ID. Chris doesn't like to have to count. 
llvm-svn: 48200
 2008-03-11 00:00:23 +00:00
Chris Lattner
a4fa0ad30d abort with an assert instead of a cerr to get line# 
llvm-svn: 48199
 2008-03-10 23:56:08 +00:00
Dan Gohman
fc42961f18 Use utostr instead of a stringstream. 
llvm-svn: 48198
 2008-03-10 23:55:07 +00:00
Scott Michel
92275427e5 - 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.

llvm-svn: 48197
 2008-03-10 23:49:09 +00:00
Dan Gohman
2a3aeb1f72 Correctly clone FlaggedNodes. 
llvm-svn: 48196
 2008-03-10 23:48:14 +00:00
Dan Gohman
2f3648b261 Initialize ArgTypes directly instead of manually copying in the elements. 
llvm-svn: 48195
 2008-03-10 23:41:23 +00:00
Dan Gohman
830d86cab8 APInt-ify this. 
llvm-svn: 48194
 2008-03-10 23:38:17 +00:00
Dan Gohman
de66dc88cd Remove an unnecessary #include 
llvm-svn: 48193
 2008-03-10 23:37:12 +00:00
Chris Lattner
7362d38391 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.

llvm-svn: 48192
 2008-03-10 23:34:12 +00:00
Dan Gohman
f4300950f1 Implement more support for fp-to-i128 and i128-to-fp conversions. 
llvm-svn: 48189
 2008-03-10 23:03:31 +00:00
Dale Johannesen
0fb187f81b Disable prolog code that aligns the stack when a 
local object of >16 byte alignment exists.  It does not
work and getting it to work is not trivial, as explained
in the comment.  This fixes all the remaining ppc32
failures in the struct-layout-1 part of the gcc testsuite.

(gcc does not support this either, and the only way to
get such an object is with __attribute__((aligned)) or
generic vectors; it can't be done in a standard-conforming
program, or with Altivec.  So I think disabling it is OK.)

llvm-svn: 48188
 2008-03-10 22:59:46 +00:00