llvm/test/Transforms/DeadStoreElimination, branch stable http://llvm.org https://git.amat.us/llvm/atom/test/Transforms/DeadStoreElimination?h=stable 2013-01-01T13:57:25Z Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2013-01-01T13:57:25Z Dmitri Gribenko gribozavr@gmail.com 2013-01-01T13:57:25Z urn:sha1:fbfb1b286f08cd48e55b1284879a95f75ec964f6 This is done to avoid odd test failures, like the one fixed in r171243. My previous regex was not good enough to find these. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171343 91177308-0d34-0410-b5e6-96231b3b80d8 Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2012-12-30T01:28:40Z Dmitri Gribenko gribozavr@gmail.com 2012-12-30T01:28:40Z urn:sha1:b4912b9dccd7250c372a40ba0734171c6b0f5e9b This is done to avoid odd test failures, like the one fixed in r171243. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171246 91177308-0d34-0410-b5e6-96231b3b80d8 Make this test check the transforms it's actually doing. Also add a test that it 2012-09-25T18:17:38Z Nick Lewycky nicholas@mxc.ca 2012-09-25T18:17:38Z urn:sha1:fe4a778f6ef18a4be78b029b1714ddd5901ca72d doesn't transform the trivially unsafe case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164617 91177308-0d34-0410-b5e6-96231b3b80d8 Don't forget that strcpy and friends return a pointer to the destination, so 2012-09-25T01:55:59Z Nick Lewycky nicholas@mxc.ca 2012-09-25T01:55:59Z urn:sha1:24ab21c691fb98040318b9521cd1247c3e0b79cc it's not a dead store if that pointer is used. Whoops! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164583 91177308-0d34-0410-b5e6-96231b3b80d8 Teach DSE that strcpy, strncpy, strcat and strncat are all stores which may be 2012-09-24T22:09:10Z Nick Lewycky nicholas@mxc.ca 2012-09-24T22:09:10Z urn:sha1:3dbefbd9bb9801db3b8fda8e15d03f2659393135 dead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164561 91177308-0d34-0410-b5e6-96231b3b80d8 Fix more fallout from r158919, similar to PR13547. 2012-09-03T05:15:15Z Bob Wilson bob.wilson@apple.com 2012-09-03T05:15:15Z urn:sha1:84451a110da981adfff2792c3aee5df322864da6 This code used to only handle malloc-like calls, which do not read memory. r158919 changed it to check isNoAliasFn(), which includes strdup-like and realloc-like calls, but it was not checking for dependencies on the memory read by those calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163106 91177308-0d34-0410-b5e6-96231b3b80d8 Change greater than to greater than or equal so that an identical sized store to the same offset is treated as completing overwriting. 2012-08-14T07:32:05Z Craig Topper craig.topper@gmail.com 2012-08-14T07:32:05Z urn:sha1:750d7616c6d9ed5a40de1ac8f74fb40afd82ebc6 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161857 91177308-0d34-0410-b5e6-96231b3b80d8 isAllocLikeFn is allowed to return true for functions which read memory; make 2012-08-08T02:17:32Z Eli Friedman eli.friedman@gmail.com 2012-08-08T02:17:32Z urn:sha1:1b88fc012240d10af5a80571aa8def36796f7b18 sure we account for that correctly in DeadStoreElimination. Fixes a regression from r158919. PR13547. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161468 91177308-0d34-0410-b5e6-96231b3b80d8 Teach DeadStoreElimination to eliminate exit-block stores with phi addresses. 2012-05-10T18:57:38Z Dan Gohman gohman@apple.com 2012-05-10T18:57:38Z urn:sha1:b401e3bd16c3d648464606d5e5b496dd61d12afc git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156558 91177308-0d34-0410-b5e6-96231b3b80d8 teach DSE and isInstructionTriviallyDead() about calloc 2012-05-10T17:14:00Z Nuno Lopes nunoplopes@sapo.pt 2012-05-10T17:14:00Z urn:sha1:e54874471cf565bbacdca69c95ae7287badc578f git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156553 91177308-0d34-0410-b5e6-96231b3b80d8