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* Reapply address space patch after fixing an issue in MemCopyOptimizer.Mon P Wang2010-04-044-5/+5
| | | | | | | | Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
* add integer overflow check for the fp induction variable Chris Lattner2010-04-031-4/+4
| | | | | | | | | | | | | checker. Amusingly, we already had tests that we should have rejects because they would be miscompiled in the testsuite. The remaining issue with this is that we don't check that the branch causes us to exit the loop if it fails, so we don't actually know if we remain in bounds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100284 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR6761, a miscompilation due to the fp->int IV conversionChris Lattner2010-04-031-4/+23
| | | | | | | stuff. More bugs remain though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100282 91177308-0d34-0410-b5e6-96231b3b80d8
* convert to filecheckChris Lattner2010-04-031-5/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100281 91177308-0d34-0410-b5e6-96231b3b80d8
* rename feature test.Chris Lattner2010-04-031-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100279 91177308-0d34-0410-b5e6-96231b3b80d8
* actually just remove this, will move the real feature test here.Chris Lattner2010-04-031-35/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100278 91177308-0d34-0410-b5e6-96231b3b80d8
* rename test since it is a feature test.Chris Lattner2010-04-031-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100277 91177308-0d34-0410-b5e6-96231b3b80d8
* first half of a pass through IndVarSimplify::HandleFloatingPointIV,Chris Lattner2010-04-031-0/+19
| | | | | | | | | this cleans up a bunch of code and also fixes several crashes and miscompiles. More to come unfortunately, this optimization is quite broken. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100270 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert all my SSAUpdater patches. The PHI placement algorithm is not correctBob Wilson2010-04-031-46/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (what was I thinking?) and there's also a problem with LCSSA. I'll try again later with fixes. --- Reverse-merging r100263 into '.': U lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100177 into '.': G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100148 into '.': G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100147 into '.': U include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100131 into '.': G include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100130 into '.': G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100126 into '.': G include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp --- Reverse-merging r100050 into '.': D test/Transforms/GVN/2010-03-31-RedundantPHIs.ll --- Reverse-merging r100047 into '.': G include/llvm/Transforms/Utils/SSAUpdater.h G lib/Transforms/Utils/SSAUpdater.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100264 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r100191 since it breaks objc in clang Mon P Wang2010-04-024-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100199 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply address space patch after fixing an issue in MemCopyOptimizer.Mon P Wang2010-04-024-5/+5
| | | | | | | | Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100191 91177308-0d34-0410-b5e6-96231b3b80d8
* Manually notify ScalarEvolution before making an operand replacement, sinceDan Gohman2010-04-021-0/+41
| | | | | | | it can't currently observe such changes automatically. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100186 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the recent alignment changes. They're broken for -Os because,Dan Gohman2010-04-021-6/+0
| | | | | | | | in particular, they end up aligning strings at 16-byte boundaries, and there's no way for GlobalOpt to check OptForSize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100172 91177308-0d34-0410-b5e6-96231b3b80d8
* Make globalopt refine global variable alignment.Dan Gohman2010-04-021-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100160 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a redundant PHI testcase for SSAUpdater to go with svn r100047.Bob Wilson2010-03-311-0/+46
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100050 91177308-0d34-0410-b5e6-96231b3b80d8
* testcase for r99914, provided by baldrick!Gabor Greif2010-03-311-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100043 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.Bob Wilson2010-03-304-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99948 91177308-0d34-0410-b5e6-96231b3b80d8
* Added support for address spaces and added a isVolatile field to memcpy, ↵Mon P Wang2010-03-304-5/+5
| | | | | | | | | | memmove, and memset, e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) A update of langref will occur in a subsequent checkin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99928 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR6642, GVN forwarding from memset to load of the base of the memset.Chris Lattner2010-03-251-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99488 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r99451 with a fix to move the NoInline check to the cost functionsEric Christopher2010-03-251-0/+18
| | | | | | | instead of InlineFunction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99483 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert this, it's causing an issue with an internal project.Eric Christopher2010-03-241-18/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99451 91177308-0d34-0410-b5e6-96231b3b80d8
* add some accessors to callsite/callinst/invokeinst to checkChris Lattner2010-03-231-0/+18
| | | | | | | | | for the noinline attribute, and make the inliner refuse to inline a call site when the call site is marked noinline even if the callee isn't. This fixes PR6682. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99341 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach simplify libcall to transform __strcpy_chk to __memcpy_chk to enable ↵Evan Cheng2010-03-231-20/+27
| | | | | | optimizations down stream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99282 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an incorrect logic causing instcombine to miss some _chk -> non-chk ↵Evan Cheng2010-03-231-1/+14
| | | | | | transformations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99263 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in ValueTracking that's causing instcombine to delete needed ↵Evan Cheng2010-03-131-0/+20
| | | | | | shift instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98416 91177308-0d34-0410-b5e6-96231b3b80d8
* When constant folding GEP of GEP, do not crash if an index ofDuncan Sands2010-03-121-0/+13
| | | | | | | the inner GEP is not a ConstantInt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98359 91177308-0d34-0410-b5e6-96231b3b80d8
* Make isLCSSA ignore uses in blocks not reachable from the entry block,Dan Gohman2010-03-091-0/+27
| | | | | | | as LCSSA no longer transforms such uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98033 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-commit 97860 with fix. getMallocAllocatedType may return null.Evan Cheng2010-03-081-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98000 91177308-0d34-0410-b5e6-96231b3b80d8
* Migrate _chk call lowering from SimplifyLibCalls to InstCombine. StubEric Christopher2010-03-063-4/+4
| | | | | | | | | out the remainder of the calls that we should lower in some way and move the tests to the new correct directory. Fix up tests that are now optimized more than they were before by -instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97875 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert:Eric Christopher2010-03-061-16/+0
| | | | | | | | | | | | | | Log: Transform @llvm.objectsize to integer if the argument is a result of malloc of known size. Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp llvm/trunk/test/Transforms/InstCombine/objsize.ll It appears to be causing swb and nightly test failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97866 91177308-0d34-0410-b5e6-96231b3b80d8
* Transform @llvm.objectsize to integer if the argument is a result of malloc ↵Evan Cheng2010-03-061-0/+16
| | | | | | of known size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97860 91177308-0d34-0410-b5e6-96231b3b80d8
* Safely turn memset_chk etc. to non-chk variant if the known object size is ↵Evan Cheng2010-03-051-0/+18
| | | | | | >= memset / memcpy / memmove size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97828 91177308-0d34-0410-b5e6-96231b3b80d8
* Instcombine should turn llvm.objectsize of a alloca with static size to an ↵Evan Cheng2010-03-051-0/+20
| | | | | | integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97827 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR6512, a case where instcombine would incorrectly merge loadsChris Lattner2010-03-051-0/+40
| | | | | | | from different addr spaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97813 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR6503. This turned into a much more interesting and nasty bug. Various Chris Lattner2010-03-051-0/+15
| | | | | | | | | | | | parts of the cmp|cmp and cmp&cmp folding logic wasn't prepared for vectors (unrelated to the bug but noticed while in the code) and the code was *definitely* not safe to use by the (cast icmp)|(cast icmp) handling logic that I added in r95855. Fix all this up by changing the various routines to more consistently use IRBuilder and not pass in the I which had the wrong type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97801 91177308-0d34-0410-b5e6-96231b3b80d8
* make these less sensitive to temporary naming.Chris Lattner2010-03-053-15/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97799 91177308-0d34-0410-b5e6-96231b3b80d8
* remove this testcase, it isn't clear what it was testing and it is subsumed ↵Chris Lattner2010-03-051-18/+0
| | | | | | by or.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97798 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a nice subtle reassociate bug which would only occurChris Lattner2010-03-051-2/+13
| | | | | | | | in a very specific use pattern embodied in the carefully reduced testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97794 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the 'icmp pred trunc(ext(X)), CST --> icmp pred X, ext(trunc(CST))'Nick Lewycky2010-03-041-0/+18
| | | | | | | | | | | transformation much more careful. Truncating binary '01' to '1' sounds like it's safe until you realize that it switched from positive to negative under a signed interpretation, and that depends on the icmp predicate. Also a few miscellaneous cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97721 91177308-0d34-0410-b5e6-96231b3b80d8
* fix incorrect folding of icmp with undef, PR6481.Chris Lattner2010-03-031-1/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97659 91177308-0d34-0410-b5e6-96231b3b80d8
* This test case:Bill Wendling2010-03-031-4/+4
| | | | | | | | | | | | | | | | | | | | | | long test(long x) { return (x & 123124) | 3; } Currently compiles to: _test: orl $3, %edi movq %rdi, %rax andq $123127, %rax ret This is because instruction and DAG combiners canonicalize (or (and x, C), D) -> (and (or, D), (C | D)) However, this is only profitable if (C & D) != 0. It gets in the way of the 3-addressification because the input bits are known to be zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97616 91177308-0d34-0410-b5e6-96231b3b80d8
* Non-affine post-inc SCEV expansions have more code which must beDan Gohman2010-03-021-0/+44
| | | | | | | | emitted after the increment. Make sure the insert position reflects this. This fixes PR6453. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97537 91177308-0d34-0410-b5e6-96231b3b80d8
* Floating-point add, sub, and mul are now spelled fadd, fsub, and fmul,Dan Gohman2010-03-023-9/+9
| | | | | | | respectively. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97531 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tests that checks @llvm.dbg.stoppoint handling.Devang Patel2010-03-013-4098/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97493 91177308-0d34-0410-b5e6-96231b3b80d8
* stop using anders-aaChris Lattner2010-03-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97492 91177308-0d34-0410-b5e6-96231b3b80d8
* @llvm.dbg.stoppoint intrinsic is not used anymore.Devang Patel2010-03-011-98/+0
| | | | | | | Delete dead testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97489 91177308-0d34-0410-b5e6-96231b3b80d8
* Update to use new debug info encoding scheme. As a bonus, now the test passes!Devang Patel2010-03-011-55/+64
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97487 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove this test because it checks wheter optimizer handled ↵Devang Patel2010-03-011-54/+0
| | | | | | @llvm.dbg.global_variable appropriately or not. LLVM does not use this scheme to encode debug info for global variables any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97480 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVM instruction syntax doesn't have trailing semicolons.Dan Gohman2010-03-011-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97456 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-widthJohn McCall2010-02-281-2/+1
| | | | | | | | | | payloads. APFloat's internal folding routines always make QNaNs now, instead of sometimes making QNaNs and sometimes SNaNs depending on the type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97364 91177308-0d34-0410-b5e6-96231b3b80d8
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