llvm/test/Transforms/MemCpyOpt, branch release_29http://llvm.orghttps://git.amat.us/llvm/atom/test/Transforms/MemCpyOpt?h=release_292011-01-21T22:07:57ZActually check memcpy lengths, instead of just commenting about2011-01-21T22:07:57ZDan Gohmangohman@apple.com2011-01-21T22:07:57Zurn:sha1:8fb25c53bdc22a1f480ac0a6c0215a23f397deb3
how they should be checked.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123999 91177308-0d34-0410-b5e6-96231b3b80d8
revert 123144, reenabling the rest of memset formation.2011-01-12T03:25:15ZChris Lattnersabre@nondot.org2011-01-12T03:25:15Zurn:sha1:d318fc2ceb9d5902277f6e3b0bd7b51b92f5d872
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123302 91177308-0d34-0410-b5e6-96231b3b80d8
revert r123146 which disabled code that wasn't the root cause2011-01-12T01:52:23ZChris Lattnersabre@nondot.org2011-01-12T01:52:23Zurn:sha1:d2e905027b3774bbc29562a5e3f64ad46bf6b0b8
of the bootstrap miscompare issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123299 91177308-0d34-0410-b5e6-96231b3b80d8
fix typo2011-01-10T02:33:34ZChris Lattnersabre@nondot.org2011-01-10T02:33:34Zurn:sha1:f86c75da4d9cb4547f9a35dc4b174ffbb819dce4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123148 91177308-0d34-0410-b5e6-96231b3b80d8
another (more) aggressive attempt to bring llvm-gcc-i386-linux-selfhost2011-01-10T00:47:34ZChris Lattnersabre@nondot.org2011-01-10T00:47:34Zurn:sha1:a806be66c1c42ee63ef5d3878b244e91727184c3
back to life.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123146 91177308-0d34-0410-b5e6-96231b3b80d8
temporarily disable memset formation from memsets in an effort to restore buildbot stability.2011-01-09T23:52:48ZChris Lattnersabre@nondot.org2011-01-09T23:52:48Zurn:sha1:d8408270f30273df2f04a8eca3e749bd0d22a2fd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123144 91177308-0d34-0410-b5e6-96231b3b80d8
Merge memsets followed by neighboring memsets and other stores into2011-01-08T21:19:19ZChris Lattnersabre@nondot.org2011-01-08T21:19:19Zurn:sha1:d90a192279c8580c4e80d1ee102d1317ce2aaffa
larger memsets. Among other things, this fixes rdar://8760394 and
allows us to handle "Example 2" from http://blog.regehr.org/archives/320,
compiling it into a single 4096-byte memset:
_mad_synth_mute: ## @mad_synth_mute
## BB#0: ## %entry
pushq %rax
movl $4096, %esi ## imm = 0x1000
callq ___bzero
popq %rax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123089 91177308-0d34-0410-b5e6-96231b3b80d8
fix an issue in IsPointerOffset that prevented us from recognizing that2011-01-08T21:07:56ZChris Lattnersabre@nondot.org2011-01-08T21:07:56Zurn:sha1:9fa11e94b5a7709cf05396420b3b3eaad6fb8e37
P and P+1 are relative to the same base pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123087 91177308-0d34-0410-b5e6-96231b3b80d8
enhance memcpyopt to merge a store and a subsequent2011-01-08T20:54:51ZChris Lattnersabre@nondot.org2011-01-08T20:54:51Zurn:sha1:06511264f806cf2a55a090a555dc91a2a2e10a36
memset into a single larger memset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123086 91177308-0d34-0410-b5e6-96231b3b80d8
merge two tests and filecheckify2011-01-08T20:27:22ZChris Lattnersabre@nondot.org2011-01-08T20:27:22Zurn:sha1:355f5778aa2f8de3febc0ae533fedde010b354c1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123082 91177308-0d34-0410-b5e6-96231b3b80d8