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2006-10-11Jimptables working again on alpha.Andrew Lenharth
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30873 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11add two helper methods.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30869 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11FindModifiedNodeSlot needs to add LoadSDNode ivars to create proper ↵Evan Cheng
SelectionDAGCSEMap ID. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30866 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10Also update getNodeLabel for LoadSDNode.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30861 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10SDNode::dump should also print out extension type and VT.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30860 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10Fix another bug in extload promotion.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30857 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-10Fix a bug introduced by my LOAD/LOADX changes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30853 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-09Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30844 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-08Eliminate more token factors by taking advantage of transitivity:Chris Lattner
if TF depends on A and B, and A depends on B, TF just needs to depend on A. With Jim's alias-analysis stuff enabled, this compiles the testcase in PR892 into: __Z4test3Val: subl $44, %esp call L__Z3foov$stub movl %edx, 28(%esp) movl %eax, 32(%esp) movl %eax, 24(%esp) movl %edx, 36(%esp) movl 52(%esp), %ecx movl %ecx, 4(%esp) movl %eax, 8(%esp) movl %edx, 12(%esp) movl 48(%esp), %eax movl %eax, (%esp) call L__Z3bar3ValS_$stub addl $44, %esp ret instead of: __Z4test3Val: subl $44, %esp call L__Z3foov$stub movl %eax, 24(%esp) movl %edx, 28(%esp) movl 24(%esp), %eax movl %eax, 32(%esp) movl 28(%esp), %eax movl %eax, 36(%esp) movl 32(%esp), %eax movl 36(%esp), %ecx movl 52(%esp), %edx movl %edx, 4(%esp) movl %eax, 8(%esp) movl %ecx, 12(%esp) movl 48(%esp), %eax movl %eax, (%esp) call L__Z3bar3ValS_$stub addl $44, %esp ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30821 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-07Combiner alias analysis passes Multisource (release-asserts.)Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30818 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-07Fix a bug legalizing zero-extending i64 loads into 32-bit loads. The bottomChris Lattner
part was always forced to be sextload, even when we needed an zextload. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30782 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06initialize ivarChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30780 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06If a target uses a GOT, put it in the jt data section, not the textChris Lattner
section. This will fix alpha when Andrew implements AlphaTargetMachine::getTargetLowering(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30779 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06jump tables handle picChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30776 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06print labels even if a MBB doesn't have a corresponding LLVM BB, just don'tChris Lattner
print the LLVM BB label. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30775 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06Fix a miscompilation of:Chris Lattner
long long foo(long long X) { return (long long)(signed char)(int)X; } Instead of: _foo: extsb r2, r4 srawi r3, r4, 31 mr r4, r2 blr we now produce: _foo: extsb r4, r4 srawi r3, r4, 31 blr This fixes a miscompilation in ConstantFolding.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30768 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06MachineBasicBlock::splice was incorrectly updating parent pointers onChris Lattner
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30760 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05Make use of getStore().Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30759 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05Add getStore() helper function to create ISD::STORE nodes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30758 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05Don't crash if an MBB doesn't have an LLVM BBChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30757 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05Alias analysis code clean ups.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30753 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05Emit pic jumptables to the same section that the function is emitted to,Chris Lattner
allowing label differences to work. This fixes CodeGen/X86/pic_jumptable.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30744 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05Pass the MachineFunction into EmitJumpTableInfo.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30742 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-05move getSectionForFunction to AsmPrinterChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30736 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04Fix some typos that can cause a flag value to have more than one use.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30727 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04More extensive alias analysis.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30721 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04More long term solutionJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30720 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04Work around for some problems with templates.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30715 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add anEvan Cheng
extra operand to LOADX to specify the exact value extension type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30714 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03Use $( $| $) to represent alternatives in asm blocks instead of {|}. ThisChris Lattner
is needed to support targets where {|} aren't special symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30712 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03Fix an obvious typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30711 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03BugfixesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30709 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03Print the MBB ID # along with the bb tag in the -print-machine-instrs output.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30708 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03Provide a function that ensures MBB numbering is dense and inorder. ThisChris Lattner
can be used by MachineFunctionPasses who need this property. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30706 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-03Fix for PR929. The PHI nodes were being gone through for each instructionBill Wendling
in a successor block for every block...resulting in some O(N^k) algorithm which wasn't very good for performance. Calculating this information up front and keeping it in a map made it much faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30697 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-02Debugging kruftJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30688 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-02Add ability to annotate (color) nodes in a viewGraph.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30686 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28simplify codeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30659 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28TargetRegisterClass specifies the desired spill alignment. However, it ↵Evan Cheng
cannot be honored if stack alignment is smaller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30648 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28"Once more into the breach, dear friends, once more, or fill the wall upBill Wendling
with our English dead." No! Really! Serious this time...It was how the vreg uses were being adjusted that was causing hte Olden tests to fail. I corrected this and the Olden and Regression tests all passed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30644 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28refactor critical edge breaking out into the SplitCritEdgesForPHIConstants ↵Chris Lattner
method. This is a baby step towards fixing PR925. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30643 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28re-re-revert this, back to the right revision. It currently breaks bisort/mstChris Lattner
in olden among others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30637 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28PEI now place callee save spills closest to the address pointed to by theEvan Cheng
incoming stack. This allows X86 backend to use push / pop in epilogue / prologue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30636 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28re-revert this patch, bisort and mst are still broken in Olden.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30634 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27Reapplying this patch. With the newest commits, the error in Olden/bisortBill Wendling
has disappeared. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30633 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27Temporarily revert this. This breaks Olden/bisort on PPCChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30628 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27PR878: Instead of calculating the vreg to PHI use count everytime we getBill Wendling
a function, do it up front in linear time (going through all of the instructions once). We create a map out of them. Then it's no problem to use the information in it during elimination... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30624 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27Add support for ${:private} which prints "L" on darwin.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30620 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26Add support for ${:comment}, which expands to the current target's commentChris Lattner
character, and ${:uid} which expands to a unique ID for the MachineInstr. More can be added if/when they are needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30619 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26Rename function. It's determining which callee-save registers to save.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30616 91177308-0d34-0410-b5e6-96231b3b80d8