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Author SHA1 Message Date
Duncan Sands
1b059ad5d5 Some LegalizeTypes code factorization and minor 
enhancements.

llvm-svn: 48215
 2008-03-11 06:41:14 +00:00
Chris Lattner
3241d0df37 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
02e4d6f2dd Fix the build on gcc 4.2. 
llvm-svn: 48212
 2008-03-11 05:56:09 +00:00
Devang Patel
0d234e20a5 fix grammer 
llvm-svn: 48211
 2008-03-11 05:51:59 +00:00
Devang Patel
6c189c16b5 Initial multiple return values support. 
llvm-svn: 48210
 2008-03-11 05:46:42 +00:00
Chris Lattner
9826c9365e 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
e58af59475 variadic instructions don't have operand info for variadic arguments. 
llvm-svn: 48208
 2008-03-11 03:14:42 +00:00
Dan Gohman
2674ad5bed Upgrade this test. 
llvm-svn: 48207
 2008-03-11 02:19:59 +00:00
Dan Gohman
85bfbe2293 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
98af9eac5f 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
77df19cb8c Temporarily revert 48175. 
llvm-svn: 48204
 2008-03-11 00:27:34 +00:00
Anton Korobeynikov
da7746cf43 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
1a65335a9b More APInt-ification. 
llvm-svn: 48201
 2008-03-11 00:11:06 +00:00
Chris Lattner
edd8cdcddb 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
d1a014af4e abort with an assert instead of a cerr to get line# 
llvm-svn: 48199
 2008-03-10 23:56:08 +00:00
Dan Gohman
13e8dd3b34 Use utostr instead of a stringstream. 
llvm-svn: 48198
 2008-03-10 23:55:07 +00:00
Scott Michel
599ff689d0 - 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
65bfbfb8dd Correctly clone FlaggedNodes. 
llvm-svn: 48196
 2008-03-10 23:48:14 +00:00
Dan Gohman
0b00b3b786 Initialize ArgTypes directly instead of manually copying in the elements. 
llvm-svn: 48195
 2008-03-10 23:41:23 +00:00
Dan Gohman
7f8c939777 APInt-ify this. 
llvm-svn: 48194
 2008-03-10 23:38:17 +00:00
Dan Gohman
70ab77e185 Remove an unnecessary #include 
llvm-svn: 48193
 2008-03-10 23:37:12 +00:00
Chris Lattner
f0684bfd16 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
67aed9bbb0 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
3278acdaaa 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
Bill Wendling
8e3a4a45ce Update llc flags for PPC register scavenger. 
llvm-svn: 48187
 2008-03-10 22:59:08 +00:00
Bill Wendling
80bc045af5 Change the "enable/disable" mechanism so that we can enable PPC register 
scavenging for 32-bit and 64-bit separately.

llvm-svn: 48186
 2008-03-10 22:49:16 +00:00
Anton Korobeynikov
6d98df2a25 Add sanity checks 
llvm-svn: 48184
 2008-03-10 22:36:53 +00:00
Anton Korobeynikov
ada9acedd4 Typo: 'function' => 'alias' 
llvm-svn: 48183
 2008-03-10 22:36:35 +00:00
Anton Korobeynikov
25b1121a28 Syntactic sugar'ify stuff :) 
llvm-svn: 48182
 2008-03-10 22:36:08 +00:00
Anton Korobeynikov
4a897017af Always run 'make check' :) Fix fallout from prev. commit: query for possible 
alias destination only if we don't have anything to link to

llvm-svn: 48181
 2008-03-10 22:35:31 +00:00
Anton Korobeynikov
24360dead3 Make error messages to have common style 
llvm-svn: 48180
 2008-03-10 22:34:46 +00:00
Anton Korobeynikov
a17ceb586c Properly link globals with aliases 
llvm-svn: 48179
 2008-03-10 22:34:28 +00:00
Anton Korobeynikov
e727d75dfa This passes now 
llvm-svn: 48178
 2008-03-10 22:34:11 +00:00
Anton Korobeynikov
d33dd5acd2 Remove the LinkGlobal weirderness in common linking phase. 
llvm-svn: 48177
 2008-03-10 22:33:53 +00:00
Anton Korobeynikov
7ce7d7173a Typo 
llvm-svn: 48176
 2008-03-10 22:33:22 +00:00
Evan Cheng
863da1c28c If the register allocator ran out of registers, just abort for now. 
llvm-svn: 48175
 2008-03-10 21:27:20 +00:00
Chris Lattner
d393772580 Eliminate the FP_GET_ST0/FP_SET_ST0 target-specific dag nodes, just lower to 
copyfromreg/copytoreg instead.

llvm-svn: 48174
 2008-03-10 21:08:41 +00:00
Devang Patel
b1b30b2c76 Document multiple return values. 
llvm-svn: 48173
 2008-03-10 20:49:15 +00:00
Dan Gohman
47137eba06 Fix mul expansion to check the correct number of bits for 
zero extension when checking if an unsigned multiply is
safe.

llvm-svn: 48171
 2008-03-10 20:42:19 +00:00
Evan Cheng
8b8d58e1aa Somewhat better solution. 
llvm-svn: 48170
 2008-03-10 19:58:22 +00:00
Evan Cheng
7d9e5a7680 Default ISD::PREFETCH to expand. 
llvm-svn: 48169
 2008-03-10 19:38:10 +00:00
Evan Cheng
067ecbc341 Revert 48125, 48126, and 48130 for now to unbreak some x86-64 tests. 
llvm-svn: 48167
 2008-03-10 19:31:26 +00:00
Chris Lattner
52be2c645e fix 80 col violations. 
llvm-svn: 48166
 2008-03-10 18:55:53 +00:00
Dale Johannesen
6713367062 The __sync primitives only work on x86 and alpha; 
xfail this test elsewhere.

llvm-svn: 48164
 2008-03-10 18:38:31 +00:00
Devang Patel
659c71126e Simplify 
llvm-svn: 48163
 2008-03-10 18:38:30 +00:00
Devang Patel
f749084aa3 Restore optimization that merges blocks when inline function 
has single return value.

llvm-svn: 48162
 2008-03-10 18:34:00 +00:00
Devang Patel
0df6cb288f Simplify 
llvm-svn: 48161
 2008-03-10 18:22:16 +00:00
Devang Patel
f81f0781cb simplify 
llvm-svn: 48160
 2008-03-10 18:11:41 +00:00
Dale Johannesen
6123256f55 Add -m32 to compilation line; test is only valid in 
32-bit environment.  PR 2136.

llvm-svn: 48159
 2008-03-10 17:56:53 +00:00
Nicolas Geoffray
a904844534 Stylistic modifications. No functionality changes. 
llvm-svn: 48158
 2008-03-10 17:46:45 +00:00