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* Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier ↵Stephen Lin2013-07-13
| | | | | | | | | | | debugging. No functionality change and all tests pass after conversion. This was done with the following sed invocation to catch label lines demarking function boundaries: sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186258 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: When expanding PCMPGTQ to PCMPGTD we always want to compare the lower ↵Benjamin Kramer2013-05-22
| | | | | | | | halves as unsigned. Take #2 on fixing PR15977. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182486 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: When emulating unsigned PCMPGTQ with PCMPGTD, fix the sign bit for the ↵Benjamin Kramer2013-05-21
| | | | | | | | | smaller type. Otherwise we'll get a mix of signed and unsigned compares. Fixes PR15977. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182364 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Add an SSE2 lowering for 64 bit compares when pcmpgtq (SSE4.2) isn't ↵Benjamin Kramer2013-04-18
| | | | | | | | available. This pattern started popping up in vectorized min/max reductions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179797 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Shave off one shuffle from the pcmpeqq sequence for SSE2 by making use ↵Benjamin Kramer2012-12-25
| | | | | | of and commutativity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171064 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Custom lower <2 x i64> eq and ne when SSE41 is not available.Benjamin Kramer2012-12-25
| | | | | | | pcmpeqd, pshufd, pshufd, pand is cheaper than unpack + cmpq, sbbq, cmpq, sbbq + pack. Small speedup on loop-vectorized viterbi (-march=core2). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171063 91177308-0d34-0410-b5e6-96231b3b80d8
* X86 Peephole: fold loads to the source register operand if possible.Manman Ren2012-08-02
| | | | | | | | | | | Add more comments and use early returns to reduce nesting in isLoadFoldable. Also disable folding for V_SET0 to avoid introducing a const pool entry and a const pool load. rdar://10554090 and rdar://11873276 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161207 91177308-0d34-0410-b5e6-96231b3b80d8
* X86 Peephole: fold loads to the source register operand if possible.Manman Ren2012-08-02
| | | | | | | | | | | | | Machine CSE and other optimizations can remove instructions so folding is possible at peephole while not possible at ISel. This patch is a rework of r160919 and was tested on clang self-host on my local machine. rdar://10554090 and rdar://11873276 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161152 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r160920 and r160919 due to dragonegg and clang selfhost failureManman Ren2012-07-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160927 91177308-0d34-0410-b5e6-96231b3b80d8
* X86 Peephole: fold loads to the source register operand if possible.Manman Ren2012-07-28
| | | | | | | Trying to fix the bot by specifying a triple in the failing testing cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160920 91177308-0d34-0410-b5e6-96231b3b80d8
* X86 Peephole: fold loads to the source register operand if possible.Manman Ren2012-07-28
| | | | | | | | | | Machine CSE and other optimizations can remove instructions so folding is possible at peephole while not possible at ISel. rdar://10554090 and rdar://11873276 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160919 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable -sse-domain-fix by default. Now with tests!Jakob Stoklund Olesen2010-03-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99954 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate more uses of llvm-as and llvm-dis.Dan Gohman2009-09-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
* add some more check for vector compares.Chris Lattner2009-07-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75024 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the v[if]cmp versions of these tests, now that [if]cmp+sext works.Chris Lattner2009-07-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74980 91177308-0d34-0410-b5e6-96231b3b80d8
* dag combine sext(setcc) -> vsetcc before legalize. To make this safe,Chris Lattner2009-07-08
| | | | | | | | | | VSETCC must define all bits, which is different than it was documented to before. Since all targets that implement VSETCC already have this behavior, and we don't optimize based on this, just change the documentation. We now get nice code for vec_compare.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74978 91177308-0d34-0410-b5e6-96231b3b80d8
* add support for legalizing an icmp where the result is illegal (4xi1) butChris Lattner2009-07-07
| | | | | | | the input is legal (4 x i32) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74964 91177308-0d34-0410-b5e6-96231b3b80d8
* add a trivial test that vector compares work.Chris Lattner2009-07-07
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74963 91177308-0d34-0410-b5e6-96231b3b80d8
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