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* 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37265 91177308-0d34-0410-b5e6-96231b3b80d8
* Get the order of the hext digits right!Reid Spencer2007-05-191-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37261 91177308-0d34-0410-b5e6-96231b3b80d8
* 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37258 91177308-0d34-0410-b5e6-96231b3b80d8
* 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37253 91177308-0d34-0410-b5e6-96231b3b80d8
* 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37249 91177308-0d34-0410-b5e6-96231b3b80d8
* 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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* Regenerate.Reid Spencer2007-05-183-337/+381
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* validation fixChris Lattner2007-05-181-1/+1
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* validation fixesChris Lattner2007-05-181-4/+6
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* Fix PR1434 and test/Linker/link-archive.ll, this is a regression from 1.9.Chris Lattner2007-05-182-54/+91
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* Add a test case for PR1434Reid Spencer2007-05-181-0/+15
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* Avoid an infinite loop when TestRunner.sh is run outside of the test dir.Reid Spencer2007-05-181-5/+7
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* If true / false blocks fallthrough before ifcvt, add unconditional branches ↵Evan Cheng2007-05-181-4/+19
| | | | | | to ifcvt'd block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37200 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark calls non-predicable for now. Need to ensure it's the last instruction ↵Evan Cheng2007-05-181-8/+8
| | | | | | in the if-converted block or make sure it preserve condition code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37199 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some unneeded branches. (spotted by Evan, thanks)Dale Johannesen2007-05-181-0/+1
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* Silence some compilation warnings.Evan Cheng2007-05-181-2/+2
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* tweakChris Lattner2007-05-181-6/+5
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* Make use of target specific block size limits; bug fixes.Evan Cheng2007-05-181-64/+149
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* Set ARM if-conversion block size threshold to 10 instructions for now.Evan Cheng2007-05-181-2/+2
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* RemoveBranch() and InsertBranch() now returns number of instructions deleted ↵Evan Cheng2007-05-186-30/+37
| | | | | | / inserted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37193 91177308-0d34-0410-b5e6-96231b3b80d8
* RemoveBranch() and InsertBranch() now returns number of instructions deleted ↵Evan Cheng2007-05-187-32/+43
| | | | | | / inserted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37192 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment.Evan Cheng2007-05-181-2/+2
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* Move isSuccessor() offline, change it to use std::find.Evan Cheng2007-05-172-6/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37190 91177308-0d34-0410-b5e6-96231b3b80d8
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