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* When bit-twiddling CondCode values for integer comparisons producesDan Gohman2008-05-141-0/+24
| | | | | | | SETOEQ, is it does with (SETEQ & SETULE), map it to SETEQ. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51112 91177308-0d34-0410-b5e6-96231b3b80d8
* Check if llvm-gcc is available before running tests. Patch by Matthijs Kooijman!Tanya Lattner2008-05-141-1/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51108 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this test pass on x86-32 linux.Duncan Sands2008-05-141-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51099 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR 2323, infinite loop in tail dup.Dale Johannesen2008-05-131-0/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51063 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of a vector load, shuffle and then extract an element. Load the ↵Evan Cheng2008-05-134-13/+21
| | | | | | | | | | | | element from address with an offset. pshufd $1, (%rdi), %xmm0 movd %xmm0, %eax => movl 4(%rdi), %eax git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51026 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase for non-local CSE of read-only calls.Owen Anderson2008-05-131-0/+49
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51025 91177308-0d34-0410-b5e6-96231b3b80d8
* On x86, it's safe to treat i32 load anyext as a normal i32 load. Ditto for ↵Evan Cheng2008-05-131-0/+15
| | | | | | i8 anyext load to i16. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51019 91177308-0d34-0410-b5e6-96231b3b80d8
* Xform bitconvert(build_pair(load a, load b)) to a single load if the load ↵Evan Cheng2008-05-121-0/+7
| | | | | | locations are at the right offset from each other. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51008 91177308-0d34-0410-b5e6-96231b3b80d8
* New test for tail mergingDale Johannesen2008-05-121-0/+145
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51007 91177308-0d34-0410-b5e6-96231b3b80d8
* Filter option names to escape symbols not allowed as C++ identifiers.Mikhail Glushenkov2008-05-121-0/+12
| | | | | | | | Makes it possible to use options with names like "Wa,". Also fixes the -Wall option handling as a side-effect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50973 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR2264.Duncan Sands2008-05-121-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50965 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR2303.Duncan Sands2008-05-101-0/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50951 91177308-0d34-0410-b5e6-96231b3b80d8
* When transforming a vector_shuffle to a load, the base address must not be ↵Evan Cheng2008-05-101-0/+10
| | | | | | an undef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50940 91177308-0d34-0410-b5e6-96231b3b80d8
* Add nounwind.Evan Cheng2008-05-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50931 91177308-0d34-0410-b5e6-96231b3b80d8
* If all sources of a PHI node are defined by an implicit_def, just emit an ↵Evan Cheng2008-05-101-0/+25
| | | | | | implicit_def instead of a copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50927 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a pattern to do move the low element of a v4f32 and zero extend the rest.Evan Cheng2008-05-091-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50922 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle a few more cases of folding load i64 into xmm and zero top bits.Evan Cheng2008-05-092-0/+20
| | | | | | | Note, some of the code will be moved into target independent part of DAG combiner in a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50918 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify test.Evan Cheng2008-05-091-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50911 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement PR2298. This transforms:Chris Lattner2008-05-092-0/+20
| | | | | | | | | ~x < ~y --> y < x -x == -y --> x == y git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50882 91177308-0d34-0410-b5e6-96231b3b80d8
* Use movq to move low half of XMM register and zero-extend the rest.Evan Cheng2008-05-081-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50874 91177308-0d34-0410-b5e6-96231b3b80d8
* More than just loads can read from memory: readonly calls like strlenChris Lattner2008-05-081-0/+28
| | | | | | | | also need to be checked for memory modifying instructions before we can sink them. THis fixes the second half of PR2297. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50860 91177308-0d34-0410-b5e6-96231b3b80d8
* Make instcombine's DSE respect loads as well as stores. It is not safe toChris Lattner2008-05-081-0/+25
| | | | | | | | | | | | | | delete the first store in: store x -> p load p store y -> p This is for PR2297. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50859 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase.Chris Lattner2008-05-081-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50841 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle vector move / load which zero the destination register top bits (i.e. ↵Evan Cheng2008-05-084-3/+17
| | | | | | movd, movq, movss (addr), movsd (addr)) with X86 specific dag combine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50838 91177308-0d34-0410-b5e6-96231b3b80d8
* Add nounwind.Evan Cheng2008-05-0725-58/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50837 91177308-0d34-0410-b5e6-96231b3b80d8
* Yet another nasty spiller bug.Evan Cheng2008-05-071-0/+37
| | | | | | | | | | | %ecx = op store %cl<kill>, (addr) (addr) = op %al It's not safe to unfold the last operand and eliminate store even though %cl is marked kill. It's a sub-register use which means one of its super-register(s) may be used below. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50794 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the ComputeMaskedBits logic for multiply.Dan Gohman2008-05-071-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50793 91177308-0d34-0410-b5e6-96231b3b80d8
* Removing.Bill Wendling2008-05-061-25/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50786 91177308-0d34-0410-b5e6-96231b3b80d8
* Use target triple in tests, not 'realign-stack=0' option. Per request.Anton Korobeynikov2008-05-064-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50778 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for r50770.Owen Anderson2008-05-061-0/+109
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50771 91177308-0d34-0410-b5e6-96231b3b80d8
* Move test files around a bit - fixes the reported number of test cases.Mikhail Glushenkov2008-05-065-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50761 91177308-0d34-0410-b5e6-96231b3b80d8
* Use edge weights to choose the right linker based on input language names.Mikhail Glushenkov2008-05-062-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50759 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a --linker command-line option, make all tests pass.Mikhail Glushenkov2008-05-062-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50755 91177308-0d34-0410-b5e6-96231b3b80d8
* Add two (currently failing) tests.Mikhail Glushenkov2008-05-064-0/+45
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50752 91177308-0d34-0410-b5e6-96231b3b80d8
* Take object file as input and handle files with the same name correctly.Mikhail Glushenkov2008-05-062-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50749 91177308-0d34-0410-b5e6-96231b3b80d8
* First small tests for llvmc2.Mikhail Glushenkov2008-05-064-0/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50734 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for PR2292.Duncan Sands2008-05-061-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50718 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2287. Darwin passes mmx values in register in 64-mode, not Linux.Evan Cheng2008-05-061-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50716 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct the value of LowBits in srem and urem handling inDan Gohman2008-05-061-0/+9
| | | | | | | ComputeMaskedBits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50692 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash when threading a block that includes a MRV call result.Chris Lattner2008-05-051-0/+25
| | | | | | | | | | DemoteRegToStack doesn't work with MRVs yet, because it relies on the ability to load/store things. This fixes PR2285. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50667 91177308-0d34-0410-b5e6-96231b3b80d8
* Added addition atomic instrinsics and, or, xor, min, and max.Mon P Wang2008-05-051-0/+93
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50663 91177308-0d34-0410-b5e6-96231b3b80d8
* no need for eh infoChris Lattner2008-05-051-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50658 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AsmPrinter support for emitting a directive to declare thatDan Gohman2008-05-051-2/+2
| | | | | | | | | | the code being generated does not require an executable stack. Also, add target-specific code to make use of this on Linux on x86. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50634 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1098 by correcting the postdominators analysis.Owen Anderson2008-05-042-0/+17
| | | | | | | Patch by Florian Brandner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50628 91177308-0d34-0410-b5e6-96231b3b80d8
* Select vector shift with non-immediate i32 shift amount operand by first ↵Evan Cheng2008-05-042-0/+37
| | | | | | moving the operand into the right register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50619 91177308-0d34-0410-b5e6-96231b3b80d8
* Add separate intrinsics for MMX / SSE shifts with i32 integer operands. This ↵Evan Cheng2008-05-031-2/+3
| | | | | | allow us to simplify the horribly complicated matching code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50601 91177308-0d34-0410-b5e6-96231b3b80d8
* verify builtin optimization works like gcc.Chris Lattner2008-05-021-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50594 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a mistake in the computation of leading zeros for udiv.Dan Gohman2008-05-022-0/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50591 91177308-0d34-0410-b5e6-96231b3b80d8
* strength reduce exp2 into ldexp, rdar://5852514Chris Lattner2008-05-021-0/+38
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50586 91177308-0d34-0410-b5e6-96231b3b80d8
* specify an arch for non-x86 hosts.Chris Lattner2008-05-021-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50576 91177308-0d34-0410-b5e6-96231b3b80d8
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