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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
2006-10-27Use doc_code class.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31239 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Clean upJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31238 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Document removeModule().Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31237 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27this doesn't occur any more in masonChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31236 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27the code in question is now:Chris Lattner
cmpw cr0, r7, r3 ble cr0, LBB1_5 ;bb25 LBB1_8: ;bb17 cmpw cr0, r8, r5 bgt cr0, LBB1_2 ;bb which is just as good as crnand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31235 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Document getAlignment()Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31234 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27remove debug codeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31233 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Codegen cond&cond with two branches. This compiles (f.e.) ↵Chris Lattner
PowerPC/and-branch.ll to: cmpwi cr0, r4, 4 bgt cr0, LBB1_2 ;UnifiedReturnBlock LBB1_3: ;entry cmplwi cr0, r3, 0 bne cr0, LBB1_2 ;UnifiedReturnBlock instead of: cmpwi cr7, r4, 4 mfcr r2 addic r4, r3, -1 subfe r3, r4, r3 rlwinm r2, r2, 30, 31, 31 or r2, r2, r3 cmplwi cr0, r2, 0 bne cr0, LBB1_2 ;UnifiedReturnBlock LBB1_1: ;cond_true git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31232 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31231 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27Turn conditions like x<Y|z==q into multiple blocks.Chris Lattner
This compiles Regression/CodeGen/X86/or-branch.ll into: _foo: subl $12, %esp call L_bar$stub movl 20(%esp), %eax movl 16(%esp), %ecx cmpl $5, %eax jl LBB1_1 #cond_true LBB1_3: #entry testl %ecx, %ecx jne LBB1_2 #UnifiedReturnBlock LBB1_1: #cond_true call L_bar$stub addl $12, %esp ret LBB1_2: #UnifiedReturnBlock addl $12, %esp ret instead of: _foo: subl $12, %esp call L_bar$stub movl 20(%esp), %eax movl 16(%esp), %ecx cmpl $4, %eax setg %al testl %ecx, %ecx setne %cl testb %cl, %al jne LBB1_2 #UnifiedReturnBlock LBB1_1: #cond_true call L_bar$stub addl $12, %esp ret LBB1_2: #UnifiedReturnBlock addl $12, %esp ret And on ppc to: cmpwi cr0, r29, 5 blt cr0, LBB1_1 ;cond_true LBB1_3: ;entry cmplwi cr0, r30, 0 bne cr0, LBB1_2 ;UnifiedReturnBlock instead of: cmpwi cr7, r4, 4 mfcr r2 addic r4, r3, -1 subfe r30, r4, r3 rlwinm r29, r2, 30, 31, 31 and r2, r29, r30 cmplwi cr0, r2, 0 bne cr0, LBB1_2 ;UnifiedReturnBlock git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31230 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-27new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31229 91177308-0d34-0410-b5e6-96231b3b80d8
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