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Author SHA1 Message Date
Reid Spencer
a9cff027ba Add a test case for PR902. 
llvm-svn: 30653
 2006-09-28 21:20:05 +00:00
Chris Lattner
c1adb2f1d3 Shift amounts are always 32-bits, even in 64-bit mode. This fixes 
CodeGen/PowerPC/2006-09-28-shift_64.ll

llvm-svn: 30652
 2006-09-28 20:48:45 +00:00
Chris Lattner
69a6c409d3 new testcase 
llvm-svn: 30651
 2006-09-28 20:48:17 +00:00
Reid Spencer
0d237ceba1 Fix PR902: 
Errors are generated with the YYERROR macro which can only be called from
a production (inside yyparse) because of the goto statement in the macro.
This lead to several situations where GEN_ERROR was not called but
GenerateError was used instead (because it doesn't use YYERROR). However,
in such situations, catching the error much later (e.g. at the end of
the production) is not sufficient because LLVM can assert on invalid data
before the end of the production is reached. The solution is to ensure that
the CHECK_FOR_ERROR macro (which invokes YYERROR if there's an error) is
used as soon as possible after a call to GenerateError has been made.

llvm-svn: 30650
 2006-09-28 19:28:24 +00:00
Chris Lattner
91b0d2fded Testcase for PR924 
llvm-svn: 30649
 2006-09-28 18:58:02 +00:00
Evan Cheng
5a3f89027f TargetRegisterClass specifies the desired spill alignment. However, it cannot be honored if stack alignment is smaller. 
llvm-svn: 30648
 2006-09-28 18:52:32 +00:00
Jim Laskey
654a319cca Fix search file for -release. 
llvm-svn: 30647
 2006-09-28 18:45:11 +00:00
Jim Laskey
b9f4391b46 Add support for -release-asserts. 
llvm-svn: 30646
 2006-09-28 17:49:20 +00:00
Reid Spencer
e64d1d0482 Provide a gdb usage fix provided by Zhongzing Xu. 
llvm-svn: 30645
 2006-09-28 16:53:47 +00:00
Bill Wendling
deaf6398fc "Once more into the breach, dear friends, once more, or fill the wall up 
with our English dead."

No! Really! Serious this time...It was how the vreg uses were being
adjusted that was causing hte Olden tests to fail. I corrected this and
the Olden and Regression tests all passed.

llvm-svn: 30644
 2006-09-28 07:10:24 +00:00
Chris Lattner
b512048344 refactor critical edge breaking out into the SplitCritEdgesForPHIConstants method. 
This is a baby step towards fixing PR925.

llvm-svn: 30643
 2006-09-28 06:17:10 +00:00
Chris Lattner
6dc95b7b26 add a note about a general improvement to the code generator 
llvm-svn: 30642
 2006-09-28 06:01:17 +00:00
Chris Lattner
4c15e307ef remove reference to dead method 
llvm-svn: 30641
 2006-09-28 00:38:19 +00:00
Chris Lattner
7e0e7c7bc9 remove dead method 
llvm-svn: 30640
 2006-09-28 00:37:43 +00:00
Chris Lattner
5271c8739a Use the new ManagedStatic class to explicitly manage static variables, eliminating static ctors/dtors 
llvm-svn: 30639
 2006-09-28 00:35:06 +00:00
Chris Lattner
30da1ba0a2 new helper class to provide more explicit management of static ctor/dtors. 
llvm-svn: 30638
 2006-09-28 00:31:55 +00:00
Chris Lattner
616a120782 re-re-revert this, back to the right revision. It currently breaks bisort/mst 
in olden among others.

llvm-svn: 30637
 2006-09-28 00:11:54 +00:00
Evan Cheng
5e8af45ddb PEI now place callee save spills closest to the address pointed to by the 
incoming stack. This allows X86 backend to use push / pop in epilogue /
prologue.

llvm-svn: 30636
 2006-09-28 00:10:27 +00:00
Evan Cheng
51144ea51c - Added a hook processFunctionBeforeCalleeSaveScn(). This is called by PEI just 
before it determines which callee-save registers are to be spilled. This allows
the target to make changes such as forcing certain physical registers to be
spilled.
- Modified comments. It's important to note the order of registers in the array
returns by getCalleeSaveRegs() determines the order of callee save spill code.

llvm-svn: 30635
 2006-09-28 00:07:19 +00:00
Chris Lattner
72d308b1e8 re-revert this patch, bisort and mst are still broken in Olden. 
llvm-svn: 30634
 2006-09-28 00:04:21 +00:00
Bill Wendling
9b8d1f3eb6 Reapplying this patch. With the newest commits, the error in Olden/bisort 
has disappeared.

llvm-svn: 30633
 2006-09-27 22:37:35 +00:00
Chris Lattner
0501525c0e silence warnings in release build 
llvm-svn: 30631
 2006-09-27 18:29:38 +00:00
Devang Patel
7604cbd117 Fix DFS walk. 
Fix http://llvm.org/bugs/show_bug.cgi?id=923

llvm-svn: 30630
 2006-09-27 17:18:05 +00:00
Chris Lattner
f5e5429cf9 Temporarily revert this. This breaks Olden/bisort on PPC 
llvm-svn: 30628
 2006-09-27 16:59:16 +00:00
Jim Laskey
70a90d65c9 Make sure C++ protection shows up in debug info 
llvm-svn: 30626
 2006-09-27 16:55:19 +00:00
Chris Lattner
4aa2739696 This: 
AggregateString += "\0\0";

Doesn't add two nuls to the AggregateString (for obvious reasons), which
broke the asmprinter when the first character of an asm string was not
literal text.

llvm-svn: 30625
 2006-09-27 16:44:09 +00:00
Bill Wendling
cd762f5482 PR878: Instead of calculating the vreg to PHI use count everytime we get 
a function, do it up front in linear time (going through all of the
instructions once). We create a map out of them. Then it's no problem to
use the information in it during elimination...

llvm-svn: 30624
 2006-09-27 09:04:15 +00:00
Chris Lattner
358e9432a1 set DEBUG_TYPE right 
llvm-svn: 30623
 2006-09-27 04:58:23 +00:00
Devang Patel
e7c6b0e0e5 Add http://llvm.org/bugs/show_bug.cgi?id=923 test case. 
llvm-svn: 30622
 2006-09-27 02:58:44 +00:00
Chris Lattner
26213b40aa Use abstract private/comment directives, to increase portability to ppc/linux 
llvm-svn: 30621
 2006-09-27 02:55:21 +00:00
Chris Lattner
433de75585 Add support for ${:private} which prints "L" on darwin. 
llvm-svn: 30620
 2006-09-27 00:06:07 +00:00
Chris Lattner
ddf92db1ca Add support for ${:comment}, which expands to the current target's comment 
character, and ${:uid} which expands to a unique ID for the MachineInstr.
More can be added if/when they are needed.

llvm-svn: 30619
 2006-09-26 23:59:50 +00:00
Chris Lattner
7c98cc2aab Actually, name the method PrintSpecial to match other stuff in AsmPrinter.h 
llvm-svn: 30618
 2006-09-26 23:47:10 +00:00
Chris Lattner
10e06fa138 Add support for ${:foo} syntax, where "foo" is passed into "printSpecial" and 
has no associated operand.  This is useful for portably encoding stuff like
the comment character into an asm string.

llvm-svn: 30617
 2006-09-26 23:45:08 +00:00
Evan Cheng
310d2abd29 Rename function. It's determining which callee-save registers to save. 
llvm-svn: 30616
 2006-09-26 22:29:31 +00:00
Andrew Lenharth
96c41b6c3c Comments on JumpTableness 
llvm-svn: 30615
 2006-09-26 20:02:30 +00:00
Jim Laskey
74ba822f79 Load chain check is not needed 
llvm-svn: 30613
 2006-09-26 17:44:58 +00:00
Jim Laskey
2a8d8270eb Chain can be any operand 
llvm-svn: 30611
 2006-09-26 09:32:41 +00:00
Jim Laskey
ae81857cba Wrong size for load 
llvm-svn: 30610
 2006-09-26 08:14:06 +00:00
Jim Laskey
d72f4cfe04 Can't move a load node if it's chain is not used. 
llvm-svn: 30609
 2006-09-26 07:37:42 +00:00
Chris Lattner
b826d65e01 Various random and minor code cleanups. 
llvm-svn: 30608
 2006-09-26 03:57:53 +00:00
Chris Lattner
c5f6ea0da9 test that the no_dead_strip directive is emitted on darwin-x86 
llvm-svn: 30607
 2006-09-26 03:44:20 +00:00
Chris Lattner
c628ee3402 print the preds of each MBB 
llvm-svn: 30606
 2006-09-26 03:41:59 +00:00
Chris Lattner
09176ab54f Compile: 
int x __attribute__((used));

to:

        .data
.comm _x,4              ; 'x'
        .no_dead_strip  _x

on both x86 and ppc darwin targets.

llvm-svn: 30605
 2006-09-26 03:39:53 +00:00
Chris Lattner
167aa73273 Add support for targets that want to do something with the llvm.used list, 
because they have an aggressive linker that does dead code stripping.

llvm-svn: 30604
 2006-09-26 03:38:18 +00:00
Chris Lattner
bab51c66fc order this properly to avoid warnings in TargetAsmInfo.cpp. Add a comment 
in a format that matches every other ivars in this class.

llvm-svn: 30603
 2006-09-25 22:38:36 +00:00
Jim Laskey
6ae9f53d2c Accidental enable of bad code 
llvm-svn: 30601
 2006-09-25 21:11:32 +00:00
Jim Laskey
640b7dbed5 Fix chain dropping in load and drop unused stores in ret blocks. 
llvm-svn: 30600
 2006-09-25 19:32:58 +00:00
John Criswell
eda10c2fcd Regression test for PR#922. 
llvm-svn: 30599
 2006-09-25 19:12:01 +00:00
Chris Lattner
2281c3f6ca more notes 
llvm-svn: 30598
 2006-09-25 17:12:14 +00:00