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* CellSPU: Fix bug 3056. Varadic extract_element was not implemented (nor was itScott Michel2008-11-221-6/+108
| | | | | | | ever conceived to occur). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59891 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize (x/y)*y into x-(x%y) in general. Div and rem are about the same, andNick Lewycky2008-11-211-0/+34
| | | | | | | a subtract is cheaper than a multiply. This generalizes an existing transform. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59800 91177308-0d34-0410-b5e6-96231b3b80d8
* CellSPU:Scott Michel2008-11-212-0/+42
| | | | | | | | | (a) Fix bgs 3052, 3057 (b) Incorporate Duncan's suggestions re: i1 promotion (c) Indentation updates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59790 91177308-0d34-0410-b5e6-96231b3b80d8
* Add generic test for add with overflow.Bill Wendling2008-11-211-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59781 91177308-0d34-0410-b5e6-96231b3b80d8
* Test -pre-RA-sched=fast too, for completeness.Dan Gohman2008-11-201-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59741 91177308-0d34-0410-b5e6-96231b3b80d8
* - Register scavenger should use MachineRegisterInfo and internal map to find ↵Evan Cheng2008-11-201-0/+414
| | | | | | | | | | the first use of a register after a given machine instruction. - When scavenging a register, in addition to the spill, insert a restore before the first use. - Abort if client is looking to scavenge a register even when a previously scavenged register is still live. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59697 91177308-0d34-0410-b5e6-96231b3b80d8
* If there are two consecutive llvm.dbg.stoppoint calls thenDevang Patel2008-11-191-0/+44
| | | | | | | | it is likely that the optimizer deleted code in between these two intrinsics. Keep only the last llvm.dbg.stoppoint in this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59657 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r59640. It broke this test for builds that aren'tDan Gohman2008-11-191-1/+1
| | | | | | | configured with llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59641 91177308-0d34-0410-b5e6-96231b3b80d8
* Use %llvmgcc -xassembler instead of invoking as directly. This avoidsDan Gohman2008-11-191-1/+1
| | | | | | | | problems for example when LLVM is built with --with-extra-options=-m64 and as defaults to x86-32 mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59640 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for rematerialization in pre-alloc-splitting.Owen Anderson2008-11-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59587 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMC2: -emit-llvm stops compilation.Daniel Dunbar2008-11-191-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59586 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMC2: Teach llvm_gcc_c tool about -include and -fsyntax-only.Daniel Dunbar2008-11-191-0/+9
| | | | | | | | - Only focusing on llvm_gcc_c for now, eventually this needs to be refactored so it can be shared via all the gcc-like tools. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59582 91177308-0d34-0410-b5e6-96231b3b80d8
* Register scavenger should process early clobber defs first. A dead early ↵Evan Cheng2008-11-181-0/+16
| | | | | | clobber def should not interfere with a normal def which happens one slot later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59559 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a utility function that detects whether a loop is guaranteed to be finite.Nick Lewycky2008-11-183-0/+91
| | | | | | | | | | | | Use it to safely handle less-than-or-equals-to exit conditions in loops. These also occur when the loop exit branch is exit on true because SCEV inverses the icmp predicate. Use it again to handle non-zero strides, but only with an unsigned comparison in the exit condition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59528 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r59464, this time using the correct typeDuncan Sands2008-11-189-9/+0
| | | | | | | when softening FNEG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59513 91177308-0d34-0410-b5e6-96231b3b80d8
* A simple test for stack protectors. This should be valid on all platforms.Bill Wendling2008-11-181-0/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59505 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r59464. It was causing this failure:Bill Wendling2008-11-189-0/+9
| | | | | | | | | | | | | | | | | | | | Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/dg.exp ... FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll Failed with signal(SIGABRT) at line 1 while running: llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll | llc -march=xcore > fneg.ll.tmp1.s Assertion failed: (VT.isFloatingPoint() && "Cannot create integer FP constant!"), function getConstantFP, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/SelectionDAG/SelectionDAG.cpp, line 913. 0 llc 0x0092115c _ZN4llvm3sys18RemoveFileOnSignalERKNS0_4PathEPSs + 844 1 libSystem.B.dylib 0x9217809b _sigtramp + 43 2 ??? 0xffffffff 0x0 + 4294967295 3 libSystem.B.dylib 0x921f0ec2 raise + 26 4 libSystem.B.dylib 0x9220047f abort + 73 5 libSystem.B.dylib 0x921f2063 __assert_rtn + 101 6 llc 0x005a5b0a _ZN4llvm12SelectionDAG13getConmake[1]: *** [check-local] Error 1 make: *** [check] Error 2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59487 91177308-0d34-0410-b5e6-96231b3b80d8
* Give SIToFPInst preference over UIToFPInst because it is faster on platforms ↵Devang Patel2008-11-181-0/+35
| | | | | | that are widely used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59476 91177308-0d34-0410-b5e6-96231b3b80d8
* While handling floating point IVs lift restrictions on initial value and ↵Devang Patel2008-11-171-1/+49
| | | | | | increment value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59471 91177308-0d34-0410-b5e6-96231b3b80d8
* Add soft float support for a bunch more operations. OriginalDuncan Sands2008-11-1711-0/+168
| | | | | | | | patch by Richard Osborne, tweaked and extended by your humble servant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59464 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove these, which test for optimizations thatDale Johannesen2008-11-172-45/+0
| | | | | | | | are not currently done (cf PowerPC/README.txt). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59456 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't produce ADDC/ADDE when expanding SHL unless they are legalRichard Osborne2008-11-171-0/+6
| | | | | | | for the target. This fixes PR3080. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59450 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed 2008-10-17-SpillerBug.ll as it does not provide an accurate test of ↵Lang Hames2008-11-161-130/+0
| | | | | | PR2898. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59431 91177308-0d34-0410-b5e6-96231b3b80d8
* 2008-10-17-SpillerBug.ll is currently failing, but this doesn't reflect an ↵Lang Hames2008-11-161-0/+1
| | | | | | actual regression of PR2898. This test should probably be removed. I've XFAILed it for now to keep buildbot quiet while this is considered. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59415 91177308-0d34-0410-b5e6-96231b3b80d8
* Improved shuffle normalization to avoid using extract/build when weMon P Wang2008-11-163-0/+80
| | | | | | | | can extract using different indexes for two vectors. Added a few tests for vector shuffles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59399 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle the case where there is no "not". It is possible it got Chris Lattner2008-11-161-1/+12
| | | | | | | folded into the select. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59389 91177308-0d34-0410-b5e6-96231b3b80d8
* make this actually test what it is trying to.Chris Lattner2008-11-161-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59386 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't brute-force analyze cubic or higher polynomials.Nick Lewycky2008-11-161-0/+19
| | | | | | | | If this patch causes a performance regression for anyone, please let me know, and it can be fixed in a different way with much more effort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59384 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct this error message.Nick Lewycky2008-11-151-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59370 91177308-0d34-0410-b5e6-96231b3b80d8
* [XCore] Fix expansion of 64 bit add/sub. Don't custom expandRichard Osborne2008-11-141-0/+12
| | | | | | | | these operations if ladd/lsub are not available on the current subtarget. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59305 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsics for getid (returns thread id) and bitrev (reversesRichard Osborne2008-11-142-0/+16
| | | | | | | bits in a word). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59296 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the FlaggedNodes member from SUnit. Instead of requiring each SUnitDan Gohman2008-11-131-1/+1
| | | | | | | | | | | to carry a SmallVector of flagged nodes, just calculate the flagged nodes dynamically when they are needed. The local-liveness change is due to a trivial scheduling change where the scheduler arbitrary decision differently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59273 91177308-0d34-0410-b5e6-96231b3b80d8
* testcase for PR 1779.Dale Johannesen2008-11-131-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59268 91177308-0d34-0410-b5e6-96231b3b80d8
* Added testcase for r59214.Bill Wendling2008-11-131-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59218 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test case for ptr annotation.Tanya Lattner2008-11-121-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59142 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct some thinkos in the expansion of ADD/SUBDuncan Sands2008-11-121-0/+14
| | | | | | | | when the target does not support ADDC/SUBC. This fixes PR3044. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59120 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the testb optimization so x86 also bootstraps.Dale Johannesen2008-11-121-1/+0
| | | | | | | | Reenable test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59101 91177308-0d34-0410-b5e6-96231b3b80d8
* fix another libgcc blockerAndrew Lenharth2008-11-111-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59026 91177308-0d34-0410-b5e6-96231b3b80d8
* Un-XFAIL tests now that they're fixed.Bill Wendling2008-11-112-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59023 91177308-0d34-0410-b5e6-96231b3b80d8
* r59009 broke these tests. XFAIL for now.Bill Wendling2008-11-112-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59010 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r58979 and related patch. It's causing a failure in X86 ↵Bill Wendling2008-11-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | bootstrap: Comparing stages 2 and 3 warning: ./cc1-checksum.o differs warning: ./cc1obj-checksum.o differs warning: ./cc1objplus-checksum.o differs warning: ./cc1plus-checksum.o differs Bootstrap comparison failure! ./alias.o differs ./alloc-pool.o differs ./attribs.o differs ./bb-reorder.o differs ./bitmap.o differs ./build/errors.o differs ./build/genattrtab.o differs ./build/genautomata.o differs ./build/genemit.o differs ./build/genextract.o differs ... -bw git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59003 91177308-0d34-0410-b5e6-96231b3b80d8
* If the sign of exit condition and split condition does not matchDevang Patel2008-11-101-0/+69
| | | | | | | then do not split loop index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58995 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2667: add soft float support for sint_to_fp/uint_to_fpDuncan Sands2008-11-101-0/+55
| | | | | | | | where the argument is an apint, or smaller than the minimum size for which there is a libcall (i32). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58994 91177308-0d34-0410-b5e6-96231b3b80d8
* When promoting the result of fp_to_uint/fp_to_sint,Duncan Sands2008-11-101-10/+1
| | | | | | | | | | | | | | | | | | | inform the optimizers that the result must be zero/ sign extended from the smaller type. For example, if a fp to unsigned i16 is promoted to fp to i32, then we are allowed to assume that the extra 16 bits are zero (because the result of fp to i16 is undefined if the result does not fit in an i16). This is quite aggressive, but should help the optimizers produce better code. This requires correcting a test which thought that fp_to_uint is some kind of truncation, which it is not: in the testcase (which does fp to i1), either the fp value converts to 0 or 1 or the result is undefined, which is quite different to truncation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58991 91177308-0d34-0410-b5e6-96231b3b80d8
* Reenable test.Dale Johannesen2008-11-101-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58980 91177308-0d34-0410-b5e6-96231b3b80d8
* The method of doing the matching with a 'select' instruction was wrong. TheBill Wendling2008-11-091-0/+17
| | | | | | | | | | | | | | | | | | | original code was matching like this: if (match(A, m_Not(m_Value(B)))) B was already matched as a 'select' instruction. However, this isn't matching what we think it's matching. It would match B as a 'Value', so basically anything would match to it. In this case, a Constant matched. B was replaced with a constant representation. And then the wrong value would be used in the SelectInst::Create statement, causing a crash. After thinking on this for a moment, and after Nick L. told me how the pattern matching stuff was supposed to work, the solution was to match NOT an m_Value, but an m_Select. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58946 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL this while waiting for a fix.Duncan Sands2008-11-091-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58934 91177308-0d34-0410-b5e6-96231b3b80d8
* If the LHS of the FCMP is coming from a UIToFP instruction, then we don't wantBill Wendling2008-11-091-0/+46
| | | | | | | | | | | | | | | | | | | | | | | | to generate signed ICMP instructions to replace the FCMP. This would violate the following: define i1 @test1(i32 %val) { %1 = uitofp i32 %val to double %2 = fcmp ole double %1, 0.000000e+00 ret i1 %2 } would be transformed into: define i1 @test1(i32 %val) { %1 = icmp slt i33 %val, 1 ret i1 %1 } which is obviously wrong. This patch modifes InstCombiner::FoldFCmp_IntToFP_Cst to handle when the LHS comes from UIToFP. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58929 91177308-0d34-0410-b5e6-96231b3b80d8
* CellSPU: Update expected counts on expected patternsScott Michel2008-11-091-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58927 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVMC2 tool definitions for Objective-C and Objective-C++.Daniel Dunbar2008-11-082-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58885 91177308-0d34-0410-b5e6-96231b3b80d8
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