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32879 Commits

Author SHA1 Message Date
Chris Lattner 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
Chris Lattner 9a0ff5961b new testcase for a recent regression 
llvm-svn: 37283
 2007-05-22 07:00:38 +00:00
Chris Lattner 77119f43af update comment 
llvm-svn: 37282
 2007-05-22 06:56:32 +00:00
Chris Lattner 31ab0ed37f regenerate 
llvm-svn: 37281
 2007-05-22 06:47:55 +00:00
Chris Lattner 9111cd6b8a simplify code 
llvm-svn: 37280
 2007-05-22 06:47:11 +00:00
Tanya Lattner 3e85207fef NightlyTest.pl does not exist. 
llvm-svn: 37278
 2007-05-22 06:12:51 +00:00
Tanya Lattner e94a09e357 Adding 2.0 release 
llvm-svn: 37277
 2007-05-22 06:06:22 +00:00
Bill Wendling 3fb7fdfded 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 1933bbc735 Consistency. 
llvm-svn: 37274
 2007-05-22 01:21:58 +00:00
Evan Cheng 204af78b96 Add test for PR1259. 
llvm-svn: 37273
 2007-05-21 23:30:33 +00:00
Evan Cheng 8c8afb27d7 Fix some -march=thumb regressions. tBR_JTr is not predicable. 
llvm-svn: 37272
 2007-05-21 23:17:32 +00:00
Dale Johannesen 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
Evan Cheng e26c0916a3 If-convert early exit blocks (returns, etc.); bug fixes, etc. 
llvm-svn: 37270
 2007-05-21 22:22:58 +00:00
Dale Johannesen 7d55f3733e Add some patterns for PIC PC-relative loads and stores. 
llvm-svn: 37269
 2007-05-21 22:14:33 +00:00
Evan Cheng 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
Duncan Sands 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
Evan Cheng fc94eb66d2 BlockHasNoFallThrough() now returns true if block ends with a return instruction. 
llvm-svn: 37266
 2007-05-21 18:44:17 +00:00
Bill Wendling ee854630e4 Update 
llvm-svn: 37265
 2007-05-20 19:56:24 +00:00
Reid Spencer e44b45e757 Get the order of the hext digits right! 
llvm-svn: 37261
 2007-05-19 14:44:42 +00:00
Reid Spencer 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
Reid Spencer be9b3fce8a 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 21526d6b56 Regenerate 
llvm-svn: 37258
 2007-05-19 07:22:10 +00:00
Reid Spencer 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
Chris Lattner 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
Chris Lattner faa31904e4 new testcase 
llvm-svn: 37255
 2007-05-19 06:50:37 +00:00
Reid Spencer 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
Chris Lattner 0306944992 add source 
llvm-svn: 37253
 2007-05-19 01:22:52 +00:00
Chris Lattner 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
Chris Lattner afa90dc355 new testcase 
llvm-svn: 37251
 2007-05-19 01:21:39 +00:00
Chris Lattner 1fa8276e70 same patch as the previous one, but the symmetric case 
llvm-svn: 37249
 2007-05-19 00:46:51 +00:00
Chris Lattner 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
Chris Lattner bde968823a new testcase 
llvm-svn: 37245
 2007-05-19 00:41:40 +00:00
Reid Spencer b6af1aae35 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 c12dd5207d 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 7ea2df6e2a add a note 
llvm-svn: 37239
 2007-05-18 20:18:14 +00:00
Dan Gohman 6164a1b279 Add a testcase for unrolling loops with unknown tripcounts. 
llvm-svn: 37238
 2007-05-18 19:59:23 +00:00
Evan Cheng 018cffbca4 Clean up. 
llvm-svn: 37237
 2007-05-18 19:32:08 +00:00
Evan Cheng faaf716540 Change to depth-first traversal. 
llvm-svn: 37236
 2007-05-18 19:26:33 +00:00
Dale Johannesen dafda82755 Document an inefficiency in tail merging. 
llvm-svn: 37235
 2007-05-18 18:46:40 +00:00
Dan Gohman eefa83e67b Use MVT::FIRST_VECTOR_VALUETYPE and MVT::LAST_VECTOR_VALUETYPE. 
llvm-svn: 37234
 2007-05-18 18:44:07 +00:00
Dan Gohman b539df3389 Qualify calls to getTypeForValueType with MVT:: too. 
llvm-svn: 37233
 2007-05-18 18:41:29 +00:00
Evan Cheng 2e82cefd24 Some restructuring in preparation for most aggressive if-conversion. 
llvm-svn: 37231
 2007-05-18 18:14:37 +00:00
Dan Gohman 1796f1f8e9 Qualify several calls to functions in the MVT namespace, for consistency. 
llvm-svn: 37230
 2007-05-18 17:52:13 +00:00
Evan Cheng f25d3a5d73 Watch out for blocks that end with a return. 
llvm-svn: 37227
 2007-05-18 17:06:53 +00:00
Duncan Sands 76256a069c Fix typo. 
llvm-svn: 37224
 2007-05-18 12:13:34 +00:00
Duncan Sands ea7a326468 Fix typo. 
llvm-svn: 37223
 2007-05-18 09:04:20 +00:00
Chris Lattner 3d1937591d better portability for intptr_t. 
llvm-svn: 37221
 2007-05-18 07:07:05 +00:00
Chris Lattner feadc1ebdc finished the first draft 
llvm-svn: 37219
 2007-05-18 06:38:51 +00:00
Chris Lattner 727c3740e4 crank out notes 
llvm-svn: 37218
 2007-05-18 06:33:02 +00:00
Reid Spencer ac1c2d93f1 Regenerate. 
llvm-svn: 37207
 2007-05-18 05:48:07 +00:00