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Commits on Mar 20, 2008

• Check even more carefully before applying this DAGCombine transform.

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Commits on Mar 19, 2008

• Fix X86's isTruncateFree to not claim that truncate to i1 is free. This fixes Bill's testcase that failed for r48491.

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Commits on Mar 18, 2008

• Target independent DAG transform to use truncate for field extraction + sign extend on targets where this is profitable. Passes nightly on x86-64.

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Commits on Mar 16, 2008

• Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to ins…

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Commits on Mar 13, 2008

• Get rid of a pseudo instruction and replace it with subreg based operation on real instructions, ridding the asm printers of the hack used to do this previously. In the process, update LowerSubregs…

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Commits on Mar 11, 2008

• Missed part of recommit.

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• Recommitting parts of r48130. These do not appear to cause the observed failures.

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• Recommitting changes after more testing. These appear to cause no problems.

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Commits on Mar 10, 2008

• Allow insert_subreg into implicit, target-specific values.

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• Revert accidentally committed local changes.

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• Add support in TableGen for unknown operands that infer their type from the pattern their used in. This will be used to allow insert/extract subreg patterns in .td files!

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Commits on Feb 4, 2008

• Add ending newline to test.

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• Add experimental support for address space qualified types. Address space

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Commits on Jan 31, 2008

• Allow ComplexExpressions in InstrInfo.td files to be slightly more... complex! ComplexExpressions can now have attributes which affect how TableGen interprets

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• Add more thorough error checking for NULL register classes.

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Commits on Dec 29, 2007

• Disable null pointer folding transforms for non-generic address spaces. This should probably be a target-specific predicate based on address space. That way for targets where this isn't applicable …

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• Fix OCUVector case in struct layout code.

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• Enable CodeGen for member expressions based on call expressions returning aggregate types. This enables expressions like 'foo().member.submember'.

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• Make MemberExpr code safe w.r.t. address spaces.

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Commits on Dec 28, 2007

• Fix an error in the base/idx accessors for ArraySubscriptExpr's that crops up with vector element access.

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Commits on Dec 24, 2007

• Make output files binary mode for -emit-llvm-bc

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• Almost the best possible handling of stdin/stdout for llvm-emit-bc!

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• Better handing of stdin/stdout for -emit-llvm-bc

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• Allow bitcode output to be redirected to stdout.

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Commits on Dec 20, 2007

• Implement review feedback, including additional transforms

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Commits on Dec 19, 2007

• svn:ignore configure.out at the root level

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• Change svn attributes to ignore build directories.

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Commits on Dec 18, 2007

• Fold subtracts into integer compares vs. zero. This improves generate code for this case on X86

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• Fix comments

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• Remove an orthogonal transformation of the selection condition from my most recent submission.

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• Fix typos.

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• Fold certain additions through selects (and their compares) so as to eliminate subtractions. This code is often produced by the SMAX expansion in SCEV.

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• Don't forget to print address space qualifiers when printing out the type table! Thanks to Gordon Henriksen for pointing this out.

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Commits on Dec 17, 2007

• regenerate.

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• Change the PointerType api for creating pointer types. The old functionality of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new…

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