d7dc1ed64c
Correct the logic in LowerPartSet which cleared the bits from 0 to low-1.
...
llvm-svn: 37331
2007-05-26 03:43:13 +00:00
4698083b96
tighten up recursion depth again
...
llvm-svn: 37330
2007-05-25 02:19:06 +00:00
13f5f7df95
Silly boog.
...
llvm-svn: 37328
2007-05-25 00:59:01 +00:00
80c94a4a04
Fix PR1446 by not scalarrepl'ing giant structures.
...
llvm-svn: 37326
2007-05-24 18:43:04 +00:00
1409b6a59b
Blocks that cond-br and uncond-br/fallthrough to same block should have
...
only one successor.
llvm-svn: 37324
2007-05-24 18:31:55 +00:00
1af8c870c7
Fix for PR1444: do not create two successors to the same block.
...
Temporarily, this breaks CodeGen/Generic/2006-02-12-InsertLibraryCall.ll
by exposing an unrelated latent problem; working on that.
llvm-svn: 37323
2007-05-24 17:39:32 +00:00
8ff9ff7975
Compute the correct word number.
...
llvm-svn: 37322
2007-05-24 15:03:18 +00:00
30978078bf
Minor comment cleanups.
...
llvm-svn: 37321
2007-05-24 14:36:04 +00:00
703e0f8608
Add explicit qualification for namespace MVT members.
...
llvm-svn: 37320
2007-05-24 14:33:05 +00:00
5d4bb4f230
Add cases for v2f32.
...
llvm-svn: 37319
2007-05-24 14:29:12 +00:00
a4d187b8ce
Fix a typo that caused combiner to create mal-formed pre-indexed store where value store is the same as the base pointer.
...
llvm-svn: 37318
2007-05-24 02:35:39 +00:00
f4a77d2481
Two tail merging improvements:
...
When considering blocks with more than 2 predecessors, merge the block with
the largest number of matching insns, rather than the first block found.
Considering that 1 matching insn is enough to show a win for candidates that
already end with a branch.
llvm-svn: 37315
2007-05-23 21:07:20 +00:00
d50859e87b
Add dump() routines for debugging assistance.
...
llvm-svn: 37314
2007-05-23 19:55:36 +00:00
3b327826db
Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439
...
llvm-svn: 37311
2007-05-23 11:08:31 +00:00
6509c0673f
prevent exponential recursion in isNegatibleForFree
...
llvm-svn: 37310
2007-05-23 07:35:22 +00:00
d0e669199b
Preliminary iterative if-conversion support.
...
llvm-svn: 37309
2007-05-23 07:23:16 +00:00
1d764eca98
Hooks for predication support.
...
llvm-svn: 37308
2007-05-23 07:22:05 +00:00
c972de8c8b
Rename a parameter.
...
llvm-svn: 37307
2007-05-23 07:21:11 +00:00
688b2807df
when merging two alias sets together, be sure to propagate the volatility of
...
the inner set. This fixes PR1435 and Transforms/LICM/2007-05-22-VolatileSink.ll
llvm-svn: 37305
2007-05-23 06:36:35 +00:00
4d01a7b1b5
If user wants to run instcombine twice, do not block it.
...
llvm-svn: 37301
2007-05-23 05:08:52 +00:00
f79577d314
fix a miscompilation when passing a float through varargs
...
llvm-svn: 37297
2007-05-23 01:17:04 +00:00
bdf03b4174
Reinstate the patch for escaping non-printing characters and allow for
...
\\ to escape \. All these cases are now handled by the AsmParser.
llvm-svn: 37295
2007-05-22 19:27:35 +00:00
c5cec2a4e8
Regenerate.
...
llvm-svn: 37294
2007-05-22 19:08:16 +00:00
0f656c39e1
Don't allow the UnEscape code to read or write beyond the end of yytext.
...
Make sure we convert \\ into \.
llvm-svn: 37293
2007-05-22 19:07:45 +00:00
acfe667eab
Regenerate.
...
llvm-svn: 37292
2007-05-22 18:52:55 +00:00
3b208cca84
Implement full unescaping of escaped hex characters in all quoted identifiers
...
and strings.
llvm-svn: 37291
2007-05-22 18:52:21 +00:00
f9cbdc676c
name change requested by review of previous patch
...
llvm-svn: 37289
2007-05-22 18:31:04 +00:00
0ae7eb5e7c
Silence a warning.
...
llvm-svn: 37288
2007-05-22 18:13:40 +00:00
82810c8a13
Make tail merging the default, except on powerPC. There was no prior art
...
for a target-dependent default with a command-line override; this way
should be generally usable.
llvm-svn: 37285
2007-05-22 17:14:46 +00:00
83d7dd419a
temporarily revert reid's asmwriter patch, it is missing the asmparser piece
...
that decodes the escape sequences, thus breaking all cases that use them.
This fixes test/Assembler/2007-05-21-Escape.ll
llvm-svn: 37284
2007-05-22 07:00:50 +00:00
77119f43af
update comment
...
llvm-svn: 37282
2007-05-22 06:56:32 +00:00
31ab0ed37f
regenerate
...
llvm-svn: 37281
2007-05-22 06:47:55 +00:00
9111cd6b8a
simplify code
...
llvm-svn: 37280
2007-05-22 06:47:11 +00:00
3fb7fdfded
We only need to specify the most-implied feature for an architecture.
...
llvm-svn: 37275
2007-05-22 05:15:37 +00:00
8c8afb27d7
Fix some -march=thumb regressions. tBR_JTr is not predicable.
...
llvm-svn: 37272
2007-05-21 23:17:32 +00:00
d1de276c16
Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic.
...
llvm-svn: 37271
2007-05-21 22:42:04 +00:00
e26c0916a3
If-convert early exit blocks (returns, etc.); bug fixes, etc.
...
llvm-svn: 37270
2007-05-21 22:22:58 +00:00
7d55f3733e
Add some patterns for PIC PC-relative loads and stores.
...
llvm-svn: 37269
2007-05-21 22:14:33 +00:00
147b334b6a
BlockHasNoFallThrough() now returns true if block ends with a return instruction; AnalyzeBranch() should ignore predicated instructionsd.
...
llvm-svn: 37268
2007-05-21 18:56:31 +00:00
34e82a4508
Only emit one entry in the exception action table for each action, even if
...
it occurs for multiple landing pads.
llvm-svn: 37267
2007-05-21 18:50:28 +00:00
fc94eb66d2
BlockHasNoFallThrough() now returns true if block ends with a return instruction.
...
llvm-svn: 37266
2007-05-21 18:44:17 +00:00
e44b45e757
Get the order of the hext digits right!
...
llvm-svn: 37261
2007-05-19 14:44:42 +00:00
6473fb7916
Adjust how LLVM names are produced:
...
1. Always use % for local and @ for global.
2. Replace NameNeedsQuotes with QuoteNameIfNeeded so that any adjustments
to the name can be done in one pass.
3. Implement generation of hex escapes so we don't get "wonky" characters
in the output.
llvm-svn: 37260
2007-05-19 07:25:21 +00:00
21526d6b56
Regenerate
...
llvm-svn: 37258
2007-05-19 07:22:10 +00:00
aba0cc7173
Make the %"..." syntax legal for local name. This just makes it symmetric
...
with global names which can already be @"..."
llvm-svn: 37257
2007-05-19 07:21:26 +00:00
a655a157a0
Fix Transforms/InstCombine/2007-05-18-CastFoldBug.ll, a bug that devastates
...
objc code due to the way the FE lowers objc message sends.
llvm-svn: 37256
2007-05-19 06:51:32 +00:00
80fcb754d9
On Linux platforms and at optimization levels -O1 and above, llvm-gcc can
...
turn "putchar" calls into _IO_putc calls which is a lower-level interface.
This patch allows these calls to be executed by lli in interpreter mode.
llvm-svn: 37254
2007-05-19 01:36:17 +00:00
e8bd53c36a
Handle negative strides much more optimally. This compiles X86/lsr-negative-stride.ll
...
into:
_t:
movl 8(%esp), %ecx
movl 4(%esp), %eax
cmpl %ecx, %eax
je LBB1_3 #bb17
LBB1_1: #bb
cmpl %ecx, %eax
jg LBB1_4 #cond_true
LBB1_2: #cond_false
subl %eax, %ecx
cmpl %ecx, %eax
jne LBB1_1 #bb
LBB1_3: #bb17
ret
LBB1_4: #cond_true
subl %ecx, %eax
cmpl %ecx, %eax
jne LBB1_1 #bb
jmp LBB1_3 #bb17
instead of:
_t:
subl $4, %esp
movl %esi, (%esp)
movl 12(%esp), %ecx
movl 8(%esp), %eax
cmpl %ecx, %eax
je LBB1_4 #bb17
LBB1_1: #bb.outer
movl %ecx, %edx
negl %edx
LBB1_2: #bb
cmpl %ecx, %eax
jle LBB1_5 #cond_false
LBB1_3: #cond_true
addl %edx, %eax
cmpl %ecx, %eax
jne LBB1_2 #bb
LBB1_4: #bb17
movl (%esp), %esi
addl $4, %esp
ret
LBB1_5: #cond_false
movl %ecx, %edx
subl %eax, %edx
movl %eax, %esi
addl %esi, %esi
cmpl %ecx, %esi
je LBB1_4 #bb17
LBB1_6: #cond_false.bb.outer_crit_edge
movl %edx, %ecx
jmp LBB1_1 #bb.outer
llvm-svn: 37252
2007-05-19 01:22:21 +00:00
1fa8276e70
same patch as the previous one, but the symmetric case
...
llvm-svn: 37249
2007-05-19 00:46:51 +00:00
b08cbbd737
Disable the (A == (B-A)) -> 2*A == B xform when the sub has multiple uses (in
...
this case, the xform introduces an extra operation). This compiles
PowerPC/compare-duplicate.ll into:
_test:
subf r2, r3, r4
cmplw cr0, r2, r3
bne cr0, LBB1_2 ;F
instead of:
_test:
slwi r2, r3, 1
subf r3, r3, r4
cmplw cr0, r4, r2
bne cr0, LBB1_2 ;F
This is target independent of course.
llvm-svn: 37246
2007-05-19 00:43:44 +00:00
Zhou Sheng