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* Make tail merging the default, except on powerPC. There was no prior artDale Johannesen2007-05-228-7/+69
| | | | | | | | for a target-dependent default with a command-line override; this way should be generally usable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37285 91177308-0d34-0410-b5e6-96231b3b80d8
* temporarily revert reid's asmwriter patch, it is missing the asmparser pieceChris Lattner2007-05-221-33/+19
| | | | | | | | | that decodes the escape sequences, thus breaking all cases that use them. This fixes test/Assembler/2007-05-21-Escape.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37284 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase for a recent regressionChris Lattner2007-05-221-0/+22
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* update commentChris Lattner2007-05-223-3/+3
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* regenerateChris Lattner2007-05-222-184/+161
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* simplify codeChris Lattner2007-05-221-11/+2
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* NightlyTest.pl does not exist.Tanya Lattner2007-05-221-1/+1
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* Adding 2.0 releaseTanya Lattner2007-05-221-0/+1
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* We only need to specify the most-implied feature for an architecture.Bill Wendling2007-05-221-33/+21
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* Consistency.Evan Cheng2007-05-221-3/+3
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* Add test for PR1259.Evan Cheng2007-05-211-0/+7
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* Fix some -march=thumb regressions. tBR_JTr is not predicable.Evan Cheng2007-05-211-1/+3
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* Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic.Dale Johannesen2007-05-211-5/+7
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* If-convert early exit blocks (returns, etc.); bug fixes, etc.Evan Cheng2007-05-211-139/+224
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* Add some patterns for PIC PC-relative loads and stores.Dale Johannesen2007-05-211-2/+41
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* BlockHasNoFallThrough() now returns true if block ends with a return ↵Evan Cheng2007-05-211-2/+13
| | | | | | instruction; AnalyzeBranch() should ignore predicated instructionsd. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37268 91177308-0d34-0410-b5e6-96231b3b80d8
* Only emit one entry in the exception action table for each action, even ifDuncan Sands2007-05-211-65/+116
| | | | | | | it occurs for multiple landing pads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37267 91177308-0d34-0410-b5e6-96231b3b80d8
* BlockHasNoFallThrough() now returns true if block ends with a return ↵Evan Cheng2007-05-213-0/+8
| | | | | | instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37266 91177308-0d34-0410-b5e6-96231b3b80d8
* UpdateBill Wendling2007-05-201-1/+2
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* Get the order of the hext digits right!Reid Spencer2007-05-191-2/+2
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* Adjust how LLVM names are produced:Reid Spencer2007-05-191-19/+33
| | | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37260 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure we can round-trip an escaped value in a name.Reid Spencer2007-05-191-0/+1
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* RegenerateReid Spencer2007-05-195-4833/+5824
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* Make the %"..." syntax legal for local name. This just makes it symmetricReid Spencer2007-05-192-2/+9
| | | | | | | with global names which can already be @"..." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37257 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Transforms/InstCombine/2007-05-18-CastFoldBug.ll, a bug that devastatesChris Lattner2007-05-191-0/+8
| | | | | | | objc code due to the way the FE lowers objc message sends. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37256 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcaseChris Lattner2007-05-191-0/+10
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* On Linux platforms and at optimization levels -O1 and above, llvm-gcc canReid Spencer2007-05-191-3/+14
| | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37254 91177308-0d34-0410-b5e6-96231b3b80d8
* add sourceChris Lattner2007-05-191-0/+12
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* Handle negative strides much more optimally. This compiles ↵Chris Lattner2007-05-191-3/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37252 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcaseChris Lattner2007-05-191-0/+37
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* same patch as the previous one, but the symmetric caseChris Lattner2007-05-191-1/+1
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* Disable the (A == (B-A)) -> 2*A == B xform when the sub has multiple uses (inChris Lattner2007-05-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37246 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcaseChris Lattner2007-05-191-0/+11
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* Fix an assertion introduced by my last change to the toString method. WeReid Spencer2007-05-191-2/+2
| | | | | | | | can't use getZExtValue() to extract the low order bits for each digit. Instead, we need to access the low order word directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37242 91177308-0d34-0410-b5e6-96231b3b80d8
* Apply this patch:Dan Gohman2007-05-181-1/+1
| | | | | | | http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070514/049845.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37240 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2007-05-181-0/+9
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* Add a testcase for unrolling loops with unknown tripcounts.Dan Gohman2007-05-181-0/+18
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* Clean up.Evan Cheng2007-05-181-5/+5
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* Change to depth-first traversal.Evan Cheng2007-05-181-11/+22
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* Document an inefficiency in tail merging.Dale Johannesen2007-05-181-0/+19
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* Use MVT::FIRST_VECTOR_VALUETYPE and MVT::LAST_VECTOR_VALUETYPE.Dan Gohman2007-05-181-2/+2
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* Qualify calls to getTypeForValueType with MVT:: too.Dan Gohman2007-05-181-3/+3
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* Some restructuring in preparation for most aggressive if-conversion.Evan Cheng2007-05-181-40/+71
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* Qualify several calls to functions in the MVT namespace, for consistency.Dan Gohman2007-05-184-23/+25
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* Watch out for blocks that end with a return.Evan Cheng2007-05-181-2/+2
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* Fix typo.Duncan Sands2007-05-181-1/+1
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* Fix typo.Duncan Sands2007-05-181-1/+1
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* better portability for intptr_t.Chris Lattner2007-05-182-0/+2
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* finished the first draftChris Lattner2007-05-181-11/+4
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* crank out notesChris Lattner2007-05-181-128/+133
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