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* Add a testcase for r184074.Rafael Espindola2013-06-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184080 91177308-0d34-0410-b5e6-96231b3b80d8
* Attributes: Don't print trailing whitespace on the function attribute comment.Benjamin Kramer2013-04-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179849 91177308-0d34-0410-b5e6-96231b3b80d8
* Check isDiscardableIfUnused, rather than hasLocalLinkage, when bumpingLang Hames2013-03-04
| | | | | | | | GlobalValue linkage up to ExternalLinkage in the ExtractGV pass. This prevents linkonce and linkonce_odr symbols from being DCE'd. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176459 91177308-0d34-0410-b5e6-96231b3b80d8
* IR: Don't constant fold GEP bitcasts between different address spacesMeador Inge2013-02-27
| | | | | | | | | | | | | | | | | | PR15262 reported a bug where the following instruction: i8 getelementptr inbounds i8* bitcast ([4 x i8] addrspace(12)* @buf to i8*), i32 2 was getting folded into: addrspace(12)* getelementptr inbounds ([4 x i8] addrspace(12)* @buf, i32 0, i32 2) This caused instcombine to crash because the original instruction and the folded instruction have different types. The issue was fixed by disallowing bitcasts between different address spaces to be folded away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176156 91177308-0d34-0410-b5e6-96231b3b80d8
* Modify the LLVM assembly output so that it uses references to represent ↵Bill Wendling2013-02-20
| | | | | | | | | | | | function attributes. This makes the LLVM assembly look better. E.g.: define void @foo() #0 { ret void } attributes #0 = { nounwind noinline ssp } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175605 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL close-stderr on win32Reid Kleckner2013-01-25
| | | | | | | | The test runner does not rewrite instances of /dev/null inside the quoted sh command. /dev/null does not exist, so opt will fail to open it, and return a non-zero exit code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173509 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/Other/close-stderr.ll: Mark this as XFAIL:valgrind. We got 127 ↵NAKAMURA Takumi2013-01-20
| | | | | | instead of 1 here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172956 91177308-0d34-0410-b5e6-96231b3b80d8
* Using "not grep" is brittle as the test passes if llvm-as fails.Rafael Espindola2012-11-21
| | | | | | | Fix the testcase to be valid IL and uses FileCheck. Thanks to NAKAMURA Takumi for noticing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168427 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r167836, "llvm/test/Other/close-stderr.ll: Mark it as XFAIL:mingw32 ↵NAKAMURA Takumi2012-11-13
| | | | | | for now.", corresponding to r167849. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167876 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 167755/167760. We don't want to emit crash diagnostics on ↵Chad Rosier2012-11-13
| | | | | | command-line syntax errors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167849 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/Other/close-stderr.ll: Mark it as XFAIL:mingw32 for now.NAKAMURA Takumi2012-11-13
| | | | | | | | | | | On MSYS, 70 is not seen, but 1. r127726 should be reworked. Candidate options are; 1) Use not exit(70), but _exit(70), in report_fatal_error(). 2) Return with _exit(70) in ~raw_ostream(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167836 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test case for r167754/r167755.Chad Rosier2012-11-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167760 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the series of commits starting with r166578 which introduced theChandler Carruth2012-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | getIntPtrType support for multiple address spaces via a pointer type, and also introduced a crasher bug in the constant folder reported in PR14233. These commits also contained several problems that should really be addressed before they are re-committed. I have avoided reverting various cleanups to the DataLayout APIs that are reasonable to have moving forward in order to reduce the amount of churn, and minimize the number of commits that were reverted. I've also manually updated merge conflicts and manually arranged for the getIntPtrType function to stay in DataLayout and to be defined in a plausible way after this revert. Thanks to Duncan for working through this exact strategy with me, and Nick Lewycky for tracking down the really annoying crasher this triggered. (Test case to follow in its own commit.) After discussing with Duncan extensively, and based on a note from Micah, I'm going to continue to back out some more of the more problematic patches in this series in order to ensure we go into the LLVM 3.2 branch with a reasonable story here. I'll send a note to llvmdev explaining what's going on and why. Summary of reverted revisions: r166634: Fix a compiler warning with an unused variable. r166607: Add some cleanup to the DataLayout changes requested by Chandler. r166596: Revert "Back out r166591, not sure why this made it through since I cancelled the command. Bleh, sorry about this! r166591: Delete a directory that wasn't supposed to be checked in yet. r166578: Add in support for getIntPtrType to get the pointer type based on the address space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167221 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -alias and -ralias options to match what we have for functions andRafael Espindola2012-10-29
| | | | | | globals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166909 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-extract changes linkages so that functions on both sides of theRafael Espindola2012-10-29
| | | | | | | split module can see each other. If it is keeping a symbol that already has a non local linkage, it doesn't need to change it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166908 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-extract was unable to handle aliases. It would leave a copy on theRafael Espindola2012-10-29
| | | | | | | | | | | | | | | | | | output of both llvm-extract foo.ll -func=bar and llvm-extract foo.ll -func=bar -delete so the two new files could not be linked together anymore. With this change alias are handled almost like functions and global variables. Almost because with alias we cannot just clear the initializer/body, we have to create a new declaration and replace the alias with it. The net result is that now the output of the above commands can be linked even if foo.ll has aliases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166907 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the internalize pass to internalize all symbols when given an emptyRafael Espindola2012-10-26
| | | | | | | list of externals. This makes sense since a shared library with no symbols can still be useful if it has static constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166795 91177308-0d34-0410-b5e6-96231b3b80d8
* Add in support for getIntPtrType to get the pointer type based on the ↵Micah Villmow2012-10-24
| | | | | | | | | | address space. This checkin also adds in some tests that utilize these paths and updates some of the clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable response files in all tools. Patch by Liu, Yaxun (Sam). I have simplifiedRafael Espindola2012-10-09
| | | | | | the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165535 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot the SPIR test case.Micah Villmow2012-10-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164949 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore apparent buffer overruns on external or weak globals. This is a majorDuncan Sands2012-09-30
| | | | | | | | source of false positives due to globals being declared in a header with some kind of incomplete (small) type, but the actual definition being bigger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164912 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the 'lint' sanity checking pass to detect simple buffer overflows.Duncan Sands2012-09-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164671 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the way the lint sanity checking pass detects misaligned memory accesses.Duncan Sands2012-09-25
| | | | | | | | | | | | | | | | Previously it was only be able to detect problems if the pointer was a numerical value (eg inttoptr i32 1 to i32*), but not if it was an alloca or globa. The reason was the use of ComputeMaskedBits: imagine you have "alloca i8, align 2", and ask ComputeMaskedBits what it knows about the bits of the alloca pointer. It can tell you that the bottom bit is known zero (due to align 2) but it can't tell you that bit 1 is known one. That's because the address could be an even multiple of 2 rather than an odd multiple, eg it might be a multiple of 4. Thus trying to use KnownOne is ineffective in the case of an alloca as it will never have any bits set. Instead look explicitly for constant offsets from allocas and globals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164595 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't do actual work inside an assert statement. Fixes PR11760!Nick Lewycky2012-09-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164474 91177308-0d34-0410-b5e6-96231b3b80d8
* FileCheck: Fix off-by-one bug that made CHECK-NOT: ignore the next character ↵Benjamin Kramer2012-09-18
| | | | | | after the colon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164165 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hidden flag to exclude aliases from output.Jan Sjödin2012-09-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164158 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the remaining TCL-style quotes found in the testsuite. This isChandler Carruth2012-07-02
| | | | | | | | | | | | | | | | | another mechanical change accomplished though the power of terrible Perl scripts. I have manually switched some "s to 's to make escaping simpler. While I started this to fix tests that aren't run in all configurations, the massive number of tests is due to a really frustrating fragility of our testing infrastructure: things like 'grep -v', 'not grep', and 'expected failures' can mask broken tests all too easily. Essentially, I'm deeply disturbed that I can change the testsuite so radically without causing any change in results for most platforms. =/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159547 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert the uses of '|&' to use '2>&1 |' instead, which works on oldChandler Carruth2012-07-02
| | | | | | | | | | versions of Bash. In addition, I can back out the change to the lit built-in shell test runner to support this. This should fix the majority of fallout on Darwin, but I suspect there will be a few straggling issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159544 91177308-0d34-0410-b5e6-96231b3b80d8
* The built-in shell test runner for some reason doesn't like the quotingChandler Carruth2012-07-02
| | | | | | | | | and multi-line nature of this test. I don't really feel like bugging this kind of edge-case, so just put it on one line and use single quotes. With this, every test *really* passes with the built-in shell test runner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159530 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert all tests using TCL-style quoting to use shell-style quoting.Chandler Carruth2012-07-02
| | | | | | | | | | | | | | | | | | | | | | | | This was done through the aid of a terrible Perl creation. I will not paste any of the horrors here. Suffice to say, it require multiple staged rounds of replacements, state carried between, and a few nested-construct-parsing hacks that I'm not proud of. It happens, by luck, to be able to deal with all the TCL-quoting patterns in evidence in the LLVM test suite. If anyone is maintaining large out-of-tree test trees, feel free to poke me and I'll send you the steps I used to convert things, as well as answer any painful questions etc. IRC works best for this type of thing I find. Once converted, switch the LLVM lit config to use ShTests the same as Clang. In addition to being able to delete large amounts of Python code from 'lit', this will also simplify the entire test suite and some of lit's architecture. Finally, the test suite runs 33% faster on Linux now. ;] For my 16-hardware-thread (2x 4-core xeon e5520): 36s -> 24s git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159525 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the 'opt' tool about '-Os' and '-Oz', corresponding to the ClangChandler Carruth2012-05-16
| | | | | | | | | | | | | options, to enable easier testing of the innards of LLVM that are enabled by such optimization strategies. Note that this doesn't provide the (much needed) function attribute support for -Oz (as opposed to -Os), but still seems like a positive step to better test the logic that Clang currently relies on. Patch by Patrik Hägglund. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156913 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r155682, making constant folding more consistent, with a fix to workDan Gohman2012-04-27
| | | | | | | properly with how the code handles all-undef PHI nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155721 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r155682, "Use ConstantExpr::getExtractElement when constant-folding ↵NAKAMURA Takumi2012-04-27
| | | | | | | | vectors" It broke stage2 build. stage1/clang sometimes crashed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155699 91177308-0d34-0410-b5e6-96231b3b80d8
* Use ConstantExpr::getExtractElement when constant-folding vectorsDan Gohman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | instead of getAggregateElement. This has the advantage of being more consistent and allowing higher-level constant folding to procede even if an inner extract element cannot be folded. Make ConstantFoldInstruction call ConstantFoldConstantExpression on the instruction's operands, making it more consistent with ConstantFoldConstantExpression itself. This makes sure that ConstantExprs get TargetData-aware folding before being handed off as operands for further folding. This causes more expressions to be folded, but due to a known shortcoming in constant folding, this currently has the side effect of stripping a few more nuw and inbounds flags in the non-targetdata side of constant-fold-gep.ll. This is mostly harmless. This fixes rdar://11324230. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155682 91177308-0d34-0410-b5e6-96231b3b80d8
* Continue cleanup of LIT, getting rid of the remaining artifacts from dejagnuEli Bendersky2012-03-25
| | | | | | | | | | | | | | | | | | * Removed test/lib/llvm.exp - it is no longer needed * Deleted the dg.exp reading code from test/lit.cfg. There are no dg.exp files left in the test suite so this code is no longer required. test/lit.cfg is now much shorter and clearer * Removed a lot of duplicate code in lit.local.cfg files that need access to the root configuration, by adding a "root" attribute to the TestingConfig object. This attribute is dynamically computed to provide the same information as was previously provided by the custom getRoot functions. * Documented the config.root attribute in docs/CommandGuide/lit.pod git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153408 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace all instances of dg.exp file with lit.local.cfg, since all tests are ↵Eli Bendersky2012-02-16
| | | | | | | | | | | run with LIT now and now Dejagnu. dg.exp is no longer needed. Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150664 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test to new EH model.Bill Wendling2012-01-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149332 91177308-0d34-0410-b5e6-96231b3b80d8
* Deleting the json-bench-test until I understand why it is flaky.Manuel Klimek2011-12-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146821 91177308-0d34-0410-b5e6-96231b3b80d8
* Adds a JSON parser and a benchmark (json-bench) to catch performance ↵Manuel Klimek2011-12-16
| | | | | | regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146735 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test.Eli Friedman2011-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146642 91177308-0d34-0410-b5e6-96231b3b80d8
* Make constant folding for GEPs a bit more aggressive.Eli Friedman2011-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146639 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrade syntax of tests using volatile instructions to use 'load volatile' ↵Chris Lattner2011-11-27
| | | | | | instead of 'volatile load', which is archaic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145171 91177308-0d34-0410-b5e6-96231b3b80d8
* Update to new EH scheme.Bill Wendling2011-08-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138906 91177308-0d34-0410-b5e6-96231b3b80d8
* Land the long talked about "type system rewrite" patch. ThisChris Lattner2011-07-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
* Move platform-dependent test to appropriate directory.Galina Kistanova2011-05-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131302 91177308-0d34-0410-b5e6-96231b3b80d8
* Move this test to CodeGen/Thumb. rdar://problem/9416774Stuart Hastings2011-05-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131196 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduced test case. rdar://problem/9416774Stuart Hastings2011-05-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131191 91177308-0d34-0410-b5e6-96231b3b80d8
* And lo, I was given a testcase for 131152. rdar://problem/9416774Stuart Hastings2011-05-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131184 91177308-0d34-0410-b5e6-96231b3b80d8
* test/Other/close-stderr.ll: Require the feature 'shell'. It is not ↵NAKAMURA Takumi2010-12-07
| | | | | | executable on Win32 but it is executable on MSYS-bash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121105 91177308-0d34-0410-b5e6-96231b3b80d8
* Make BasicAliasAnalysis a normal AliasAnalysis implementation whichDan Gohman2010-10-18
| | | | | | | | | | | | | does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
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