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2006-10-30Add SmallString a (currently) minimal class that adapts SmallVector to beChris Lattner
more string-like. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31289 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-30add a methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31288 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29add newline at end of fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31287 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29add a highly efficient hash table that is specialized for mapping C stringsChris Lattner
to some other type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31286 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Add a new llvm::Allocator abstraction, which will be used by a containerChris Lattner
I'm about to add. This is similar to, but necessarily different than, the STL allocator class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31285 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Fix SimplifyCFG/2006-10-29-InvokeCrash.ll, a crash compiling QT.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31284 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31283 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Make CanFallThrough more intelligent (so it can handle blocks with (e.g.) noChris Lattner
successors), and make island block movement more general. This compiles CodeGen/X86/2006-04-27-ISelFoldingBug.ll to: _loadAndRLEsource_no_exit_2E_1_label_2E_0: subl $8, %esp movl %esi, 4(%esp) movl %ebx, (%esp) movl 16(%esp), %eax movl 12(%esp), %ecx LBB1_3: #label.0 movl _last, %edx movl %edx, %esi incl %esi movl %esi, _last movl %ecx, %ebx # TRUNCATE movb %bl, %bl movl _block, %esi movb %bl, 1(%esi,%edx) cmpl %eax, _last jge LBB1_2 #codeRepl5.exitStub LBB1_4: #label.0 cmpl $257, %ecx je LBB1_2 #codeRepl5.exitStub LBB1_1: #label.0.no_exit.1_crit_edge.exitStub movl $1, %eax movl (%esp), %ebx movl 4(%esp), %esi addl $8, %esp ret LBB1_2: #codeRepl5.exitStub xorl %eax, %eax movl (%esp), %ebx movl 4(%esp), %esi addl $8, %esp ret instead of: _loadAndRLEsource_no_exit_2E_1_label_2E_0: subl $8, %esp movl %esi, 4(%esp) movl %ebx, (%esp) movl 16(%esp), %eax movl 12(%esp), %ecx jmp LBB1_3 #label.0 LBB1_1: #label.0.no_exit.1_crit_edge.exitStub movl $1, %eax movl (%esp), %ebx movl 4(%esp), %esi addl $8, %esp ret LBB1_2: #codeRepl5.exitStub xorl %eax, %eax movl (%esp), %ebx movl 4(%esp), %esi addl $8, %esp ret LBB1_3: #label.0 movl _last, %edx movl %edx, %esi incl %esi movl %esi, _last movl %ecx, %ebx # TRUNCATE movb %bl, %bl movl _block, %esi movb %bl, 1(%esi,%edx) cmpl %eax, _last jge LBB1_2 #codeRepl5.exitStub LBB1_4: #label.0 cmpl $257, %ecx jne LBB1_1 #label.0.no_exit.1_crit_edge.exitStub jmp LBB1_2 #codeRepl5.exitStub ... which is much better layout :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31282 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29fix Generic/2006-10-29-Crash.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31281 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31280 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Fix a load folding issue that Evan noticed: there is no need to export valuesChris Lattner
used by comparisons in the main block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Try again.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31278 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Not handling zero length strings.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31277 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29VLOAD is not the LoadSDNode opcode.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31276 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-29Remove spurious case. EXTLOAD is not one of the node opcodes.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31275 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28split critical edges more carefully and intelligently. In particular, criticalChris Lattner
edges whose destinations are not phi nodes don't bother us. Also, share split edges, since the split edge can't have a phi. This significantly reduces the complexity of generated code in some cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31274 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Teach branch folding to fold identical jump tables together and to deleteChris Lattner
jump tables that are dead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31273 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add an assertionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31272 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28remove dead methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31271 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add a method for hacking on JTIdx'sChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31270 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28const'ify jump table stuffChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31269 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add a method for deleting dead jump tables.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31268 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add an assertChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31267 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28don't print dead jump tablesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31266 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28determine whether a change was madeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31265 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28implement the BlockHasNoFallThrough hookChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31264 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28improve deletion of blocks that just contain branches by knowing thatChris Lattner
the pred block doesn't fall through into them if it's a jumptable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31263 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add another target hook for branch folding.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31262 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Load and stores have not been uniqued properly.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31261 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Split *all* critical edges before isel. This resolves issues with spill codeChris Lattner
being inserted on unsplit critical edges, which introduces (sometimes large amounts of) partially dead spill code. This also fixes PR925 + CodeGen/Generic/switch-crit-edge-constant.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31260 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31259 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add option to isCriticalEdgeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31258 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28break edges more intelligentlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31257 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Expose a smarter way to break critical edges.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31256 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28SplitCriticalEdge checks to see if an edge is critical, don't check twiceChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31255 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Fix a serious bug that caused any x86 vector stuff to infinite loopChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31254 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Doh. Must check if GV is constant first before putting it in .cstring.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31253 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Doh. Must check if GV is constant first.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31252 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Emitting raw bytecode is awfully rude. Add -disable-output.Nick Lewycky
Clarify the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31251 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Editorial clean up.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31250 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28add a methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31249 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28prepare for a change I'm about to makeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31248 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28don't dist internal readmeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31247 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28don't dist internal readme'sChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31246 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28don't distribute internal readme'sChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31245 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-28Make sure all the readme files get distributed.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31244 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Clean up.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31243 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Fix a bug in merged condition handling ↵Chris Lattner
(CodeGen/Generic/2006-10-27-CondFolding.ll). Add many fewer CFG edges and PHI node entries. If there is a switch which has the same block as multiple destinations, only add that block once as a successor/phi node (in the jumptable case) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31242 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31241 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Switch over from SelectionNodeCSEMap to FoldingSet.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31240 91177308-0d34-0410-b5e6-96231b3b80d8
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