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2006-04-28Mapping of physregs can make it so that the designated and input physregs areChris Lattner
the same. In this case, don't emit a noop copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28008 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28Fix Transforms/Reassociate/2006-04-27-ReassociateVector.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28007 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28006 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28Use movaps instead of movapd for spill / restore.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28005 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28Added a temporary option -no-isel-fold-inflight to control whether a "inflight"Evan Cheng
node can be folded. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28003 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28When isel'ing a node, mark its operands "InFlight" before selecting them. TheseEvan Cheng
nodes should not be folded into other nodes. This fixes the miscompilation of PR 749. Temporarily under flag control. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28002 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28When we have a two-address instruction where the input cannot be clobberedChris Lattner
and is already available, instead of falling back to emitting a load, fall back to emitting a reg-reg copy. This generates significantly better code for some SSE testcases, as SSE has lots of two-address instructions and none of them are read/modify/write. As one example, this change does: pshufd %XMM5, XMMWORD PTR [%ESP + 84], 255 xorps %XMM2, %XMM5 cmpltps %XMM1, %XMM0 - movaps XMMWORD PTR [%ESP + 52], %XMM0 - movapd %XMM6, XMMWORD PTR [%ESP + 52] + movaps %XMM6, %XMM0 cmpltps %XMM6, XMMWORD PTR [%ESP + 68] movapd XMMWORD PTR [%ESP + 52], %XMM6 movaps %XMM6, %XMM0 cmpltps %XMM6, XMMWORD PTR [%ESP + 36] cmpltps %XMM3, %XMM0 - movaps XMMWORD PTR [%ESP + 20], %XMM0 - movapd %XMM7, XMMWORD PTR [%ESP + 20] + movaps %XMM7, %XMM0 cmpltps %XMM7, XMMWORD PTR [%ESP + 4] movapd XMMWORD PTR [%ESP + 20], %XMM7 cmpltps %XMM4, %XMM0 ... which is far better than a store followed by a load! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28001 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28Test case for PR748Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28000 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28Add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27999 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27998 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Add support for inserting undef into a vector. This implementsChris Lattner
Transforms/InstCombine/vec_insert_to_shuffle.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27997 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27This should turn into one vector shuffle instruction.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27996 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Make x86 isel lowering produce tailcall nodes. They are match to normal callsEvan Cheng
for now. Patch contributed by Alexander Friedman. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27994 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27A couple of new entries.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27993 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Support for passing 128-bit vector arguments via XMM registers.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27992 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Insert a VBIT_CONVERT between a FORMAL_ARGUMENT node and its vector usesEvan Cheng
(VAND, VADD, etc.). Legalizer will assert otherwise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27991 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27For PR747:Reid Spencer
If we fail to find a required program, simply set that program to echo out something that tells the user the situation. That is, instead of just "true runtest" we now get "echo 'Skipped: runtest not found'". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27990 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27OopsEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27989 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Bug fix: not updating NumIntRegs.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27988 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Fix Regression/CodeGen/Generic/2006-04-26-SetCCAnd.ll andChris Lattner
PR748. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27987 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27986 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27- Clean up formal argument lowering code. Prepare for vector pass by value work.Evan Cheng
- Fixed vararg support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27985 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27Fix some nondeterminstic behavior in the mem2reg pass that (in addition toChris Lattner
nondeterminism being bad) could cause some trivial missed optimizations (dead phi nodes being left around for later passes to clean up). With this, llvm-gcc4 now bootstraps and correctly compares. I don't know why I never tried to do it before... :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27984 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Actually, semantical doesn't appear to be a word.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27983 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Implement Transforms/IndVarsSimplify/complex-scev.ll, a case where we didn'tChris Lattner
recognize some simple affine IV's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27982 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27981 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Fix fastcc failures.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27980 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Unfortunately this really isn't the place for advertisement.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27979 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Fix typo.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27978 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Fix some anchors.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27977 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Add some notes about the current state of source (front end) languagesReid Spencer
so we can point to them on llvm-dev. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27976 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26Switching over FORMAL_ARGUMENTS mechanism to lower call arguments.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27975 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25Don't forget return void.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27974 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25Keep the stack from on darwin 16-byte aligned. This fixes many JITNate Begeman
failres. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27973 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25Separate LowerOperation() into multiple functions, one per opcode.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27972 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25slightly more useful error messageAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27971 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25better c99 struct handlingAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27970 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25another c99 style problemAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27969 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25Fix a typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27968 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25Fix a warningNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27967 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25No functionality changes, but cleaner code with correct comments.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27966 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25Explicitly specify result type for def : Pat<> patterns (if it produces a vectorEvan Cheng
result). Otherwise tblgen will pick the default (v16i8 for 128-bit vector). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27965 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Added X86 SSE2 intrinsics which can be represented as vector_shuffles. This isEvan Cheng
a temporary workaround for the 2-wide vector_shuffle problem (i.e. its mask would have type v2i32 which is not legal). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27964 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Add a new entry.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27963 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Added a movq test case.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27962 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Special case handling two wide build_vector(0, x).Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27961 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Some missing movlps, movhps, movlpd, and movhpd patterns.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27960 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24A little bit more build_vector enhancement for v8i16 cases.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27959 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Remove a completed entry.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27958 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24Suggest looking at the SPARC backend. How weird is that?? :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27957 91177308-0d34-0410-b5e6-96231b3b80d8
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