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Author SHA1 Message Date
Reid Spencer
4c7237fdca Implement full unescaping of escaped hex characters in all quoted identifiers 
and strings.

llvm-svn: 37291
 2007-05-22 18:52:21 +00:00
Dale Johannesen
29f7ee3855 Document boolOrDefault and its parser. 
llvm-svn: 37290
 2007-05-22 18:32:34 +00:00
Dale Johannesen
738f94210c name change requested by review of previous patch 
llvm-svn: 37289
 2007-05-22 18:31:04 +00:00
Owen Anderson
fd5693fcc4 Silence a warning. 
llvm-svn: 37288
 2007-05-22 18:13:40 +00:00
Dale Johannesen
53a2f3b4e4 new testcases for -enable-tail-merge default handling 
llvm-svn: 37287
 2007-05-22 17:19:23 +00:00
Dale Johannesen
91ec0a7822 Test assumes tail merging is off; this must now be explicit. 
llvm-svn: 37286
 2007-05-22 17:18:05 +00:00
Dale Johannesen
fe0fe14411 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
Chris Lattner
1509e17e6c 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
Chris Lattner
9bfc570412 new testcase for a recent regression 
llvm-svn: 37283
 2007-05-22 07:00:38 +00:00
Chris Lattner
d645a38841 update comment 
llvm-svn: 37282
 2007-05-22 06:56:32 +00:00
Chris Lattner
87cf325aad regenerate 
llvm-svn: 37281
 2007-05-22 06:47:55 +00:00
Chris Lattner
27741f22d9 simplify code 
llvm-svn: 37280
 2007-05-22 06:47:11 +00:00
Tanya Lattner
072a2741e5 NightlyTest.pl does not exist. 
llvm-svn: 37278
 2007-05-22 06:12:51 +00:00
Tanya Lattner
63850ae6bb Adding 2.0 release 
llvm-svn: 37277
 2007-05-22 06:06:22 +00:00
Bill Wendling
26eb9fb1e0 We only need to specify the most-implied feature for an architecture. 
llvm-svn: 37275
 2007-05-22 05:15:37 +00:00
Evan Cheng
7d3f771e9c Consistency. 
llvm-svn: 37274
 2007-05-22 01:21:58 +00:00
Evan Cheng
cfb1ffc73f Add test for PR1259. 
llvm-svn: 37273
 2007-05-21 23:30:33 +00:00
Evan Cheng
f448047ec2 Fix some -march=thumb regressions. tBR_JTr is not predicable. 
llvm-svn: 37272
 2007-05-21 23:17:32 +00:00
Dale Johannesen
f01566b705 Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic. 
llvm-svn: 37271
 2007-05-21 22:42:04 +00:00
Evan Cheng
d395b14837 If-convert early exit blocks (returns, etc.); bug fixes, etc. 
llvm-svn: 37270
 2007-05-21 22:22:58 +00:00
Dale Johannesen
8f484d16b0 Add some patterns for PIC PC-relative loads and stores. 
llvm-svn: 37269
 2007-05-21 22:14:33 +00:00
Evan Cheng
d173398eee 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
Duncan Sands
05d340bbd1 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
Evan Cheng
3f386274c0 BlockHasNoFallThrough() now returns true if block ends with a return instruction. 
llvm-svn: 37266
 2007-05-21 18:44:17 +00:00
Bill Wendling
5c5ab73b1b Update 
llvm-svn: 37265
 2007-05-20 19:56:24 +00:00
Reid Spencer
dbc381aedd Get the order of the hext digits right! 
llvm-svn: 37261
 2007-05-19 14:44:42 +00:00
Reid Spencer
7170d7ab1b 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
Reid Spencer
2188a8e48f Make sure we can round-trip an escaped value in a name. 
llvm-svn: 37259
 2007-05-19 07:22:24 +00:00
Reid Spencer
b95962309d Regenerate 
llvm-svn: 37258
 2007-05-19 07:22:10 +00:00
Reid Spencer
b3bb24667a 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
Chris Lattner
dda5066a5e 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
Chris Lattner
01212372fa new testcase 
llvm-svn: 37255
 2007-05-19 06:50:37 +00:00
Reid Spencer
2fc9ebc62a 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
Chris Lattner
ac4e2f1414 add source 
llvm-svn: 37253
 2007-05-19 01:22:52 +00:00
Chris Lattner
a13d75f270 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
Chris Lattner
a0fc844390 new testcase 
llvm-svn: 37251
 2007-05-19 01:21:39 +00:00
Chris Lattner
27b469b945 same patch as the previous one, but the symmetric case 
llvm-svn: 37249
 2007-05-19 00:46:51 +00:00
Chris Lattner
2430b7c4aa 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
Chris Lattner
26266f163a new testcase 
llvm-svn: 37245
 2007-05-19 00:41:40 +00:00
Reid Spencer
fe3c213178 Fix an assertion introduced by my last change to the toString method. We 
can't use getZExtValue() to extract the low order bits for each digit.
Instead, we need to access the low order word directly.

llvm-svn: 37242
 2007-05-19 00:29:55 +00:00
Dan Gohman
875f6bde73 Apply this patch: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070514/049845.html

llvm-svn: 37240
 2007-05-18 23:21:46 +00:00
Chris Lattner
a7834d79a0 add a note 
llvm-svn: 37239
 2007-05-18 20:18:14 +00:00
Dan Gohman
91cc43a237 Add a testcase for unrolling loops with unknown tripcounts. 
llvm-svn: 37238
 2007-05-18 19:59:23 +00:00
Evan Cheng
ca7bc898aa Clean up. 
llvm-svn: 37237
 2007-05-18 19:32:08 +00:00
Evan Cheng
ad9ce3c5b2 Change to depth-first traversal. 
llvm-svn: 37236
 2007-05-18 19:26:33 +00:00
Dale Johannesen
09b2912ab7 Document an inefficiency in tail merging. 
llvm-svn: 37235
 2007-05-18 18:46:40 +00:00
Dan Gohman
ec87afe526 Use MVT::FIRST_VECTOR_VALUETYPE and MVT::LAST_VECTOR_VALUETYPE. 
llvm-svn: 37234
 2007-05-18 18:44:07 +00:00
Dan Gohman
b593ad9fb0 Qualify calls to getTypeForValueType with MVT:: too. 
llvm-svn: 37233
 2007-05-18 18:41:29 +00:00
Evan Cheng
1ed1741260 Some restructuring in preparation for most aggressive if-conversion. 
llvm-svn: 37231
 2007-05-18 18:14:37 +00:00
Dan Gohman
d6a33914fb Qualify several calls to functions in the MVT namespace, for consistency. 
llvm-svn: 37230
 2007-05-18 17:52:13 +00:00