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2006-11-04Parse PredicateOperand's. When an instruction takes one, have the generatedChris Lattner
isel fill in the instruction operands with the 'execute always' value automatically. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31448 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-04First steps to getting PredicateOperand's to work. This handles instructionChris Lattner
and pat pattern definitions. Codegen is not right for them yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31444 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03eliminate need for the NumMIOperands field in Operand.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31432 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03Remove an unused variable.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31403 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03silence warningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31402 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03Don't write out variables that are never used.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31396 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-03silence warningsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31392 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02Revert last patch which causes tblgen to segfault (why, I'm not sure).Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31383 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02For PR786:Reid Spencer
Remove unused variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31381 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02For PR786:Reid Spencer
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting fall out by removing unused variables. Remaining warnings have to do with unused functions (I didn't want to delete code without review) and unused variables in generated code. Maintainers should clean up the remaining issues when they see them. All changes pass DejaGnu tests and Olden. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01Tied-to constraint must be op_with_larger_idx = op_with_smaller_idx or else ↵Evan Cheng
throw an exception. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31361 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01Not meant to be checked in.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31334 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-01Add operand constraints to TargetInstrInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31333 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-1980 cols fix.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31050 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-16Passing isel root and use operands to ComplexPattern functions, these should ↵Evan Cheng
do the usual load folding checks as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30972 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-14When checking if a load can be folded, we check if there is any non-directEvan Cheng
way to reach the load via any nodes that would be folded. Start from the root of the matched sub-tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30956 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12Really remove dead nodes from isel queue.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30923 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12Use RemoveDeadNode to kill dead node.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30917 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-12Prior load folding check on chain operand was too strict. It requires theEvan Cheng
chain operand to point to the load being folded. Now we relax this, traversing up the chain, if it doesn't reach the load, then it's ok. We will create a TokenFactor (of all the chain operands and the load's chain) to capture all the control flow dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30897 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11Added properties such as SDNPHasChain to ComplexPattern.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30890 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11regenerateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30888 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11Add support for let expressions around an mdef. This implements a new partChris Lattner
of Regression/TableGen/MultiClass.td. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30887 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11Special case tblgen generated code for patterns like (and X, 255) or (or X, 42).Chris Lattner
The dag/inst combiners often 'simplify' the masked value based on whether or not the bits are live or known zero/one. This is good and dandy, but often causes special case patterns to fail, such as alpha's CMPBGE pattern, which looks like "(set GPRC:$RC, (setuge (and GPRC:$RA, 255), (and GPRC:$RB, 255)))". Here the pattern for (and X, 255) should match actual dags like (and X, 254) if the dag combiner proved that the missing bits are already zero (one for 'or'). For CodeGen/Alpha/cmpbge.ll:test2 for example, this results in: sll $16,1,$0 cmpbge $0,$17,$0 ret $31,($26),1 instead of: sll $16,1,$0 and $0,254,$0 and $17,255,$1 cmpule $1,$0,$0 ret $31,($26),1 ... and requires no target-specific code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30871 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-11Split some code out into a new method. The generated code is exactlyChris Lattner
identical, this is just a refactoring. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30868 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-09Predicate function on the node should be matched before its childrean' matchingEvan Cheng
code. This is especially important now matching ISD::LOAD also requires a Predicate_Load call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30845 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-07regenerateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30799 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-07Bugfix: this allows multiclasses to have default arguments.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30798 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-04Fix more static dtor issuesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30725 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-29Wrong directory.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30669 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28Fix search file for -release.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30647 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-28Add support for -release-asserts.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30646 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-27This:Chris Lattner
AggregateString += "\0\0"; Doesn't add two nuls to the AggregateString (for obvious reasons), which broke the asmprinter when the first character of an asm string was not literal text. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30625 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26Actually, name the method PrintSpecial to match other stuff in AsmPrinter.hChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30618 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-26Add support for ${:foo} syntax, where "foo" is passed into "printSpecial" andChris Lattner
has no associated operand. This is useful for portably encoding stuff like the comment character into an asm string. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30617 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-21don't allow 'imm' or specific imms, like '1' on the LHS of a binop.Chris Lattner
This shrinks X86GenDAGISel by ~330 lines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30574 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-21Fit to 80 columns.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30572 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-20Trim the home directory from the dejagnu testJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30519 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-19Allow PatFrag to be a leaf node.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30498 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-19Add result of a Xform to isel queue.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30497 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-19If multiple predicates are listed, they must all passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30476 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-18There!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30473 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-18Fix Regression/TableGen/2006-09-18-LargeInt.tdChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30472 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-15Switching to NewNightlyTest.phpJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30394 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-14Relax this check.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30381 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-11No longer used, and confuses maintainersJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30248 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-111) With X86 lowering change, the following can no longer happen sinceEvan Cheng
the branch's chain is also produced by cmp. [ch, r : ld] ^ ^ | | [XX]--/ \- [flag : cmp] ^ ^ | | \---[br flag]- Remove an isel check which prevents loads from being folded into cmp / test instructions. 2) Whenever possible, delete a selected node to allow more load folding opportunities. Note not all nodes can be deleted after it has been selected. Some may have simply morphed; some have not changed at all (e.g. EntryToken). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30242 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-08Generated isel should favors explicit constant operand (+2) over an operand ↵Evan Cheng
with a predicate (+1). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30180 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-05Fix JIT encoding of two-addr instructions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30111 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-05Fix a long-standing wart in the code generator: two-address instruction loweringChris Lattner
actually *removes* one of the operands, instead of just assigning both operands the same register. This make reasoning about instructions unnecessarily complex, because you need to know if you are before or after register allocation to match up operand #'s with the target description file. Changing this also gets rid of a bunch of hacky code in various places. This patch also includes changes to fold loads into cmp/test instructions in the X86 backend, along with a significant simplification to the X86 spill folding code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30108 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-01Make sure to clear CurDefmPrefix = 0, otherwise stuff after a defm won'tChris Lattner
parse right. This fixes TableGen/MultiClass.td git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30037 91177308-0d34-0410-b5e6-96231b3b80d8
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-08-01 23:26:52 +0000