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* Fix some more quoting issues in RUN lines, this time regarding unintendedMatthijs Kooijman2008-06-101-2/+2
| | | | | | | | | variable expansions involving the $ character. This fixes 4 tests that were not running properly before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52183 91177308-0d34-0410-b5e6-96231b3b80d8
* For all RUN lines starting with "not", redirect stderr to /dev/null so testsMatthijs Kooijman2008-06-104-4/+4
| | | | | | | | | | | don't fail when (expected) error output is produced. This fixes 17 tests. While I was there, I also made all RUN lines of the form "not llvm-as..." a bit more consistent, they now all redirect stderr and stdout to /dev/null and use input redirect to read their input. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52174 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate questionable syntax for stdin redirection. This probably also ↵Gabor Greif2008-05-202-2/+2
| | | | | | speeds things up a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51357 91177308-0d34-0410-b5e6-96231b3b80d8
* sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif2008-05-202-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the last test with .llx extension to .ll, resolve duplicate test by ↵Gabor Greif2008-05-202-2/+2
| | | | | | renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the code from CodeGenPrepare that moved getresult instructionsDan Gohman2008-04-251-0/+18
| | | | | | | | | | | | to the block that defines their operands. This doesn't work in the case that the operand is an invoke, because invoke is a terminator and must be the last instruction in a block. Replace it with support in SelectionDAGISel for copying struct values into sequences of virtual registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50279 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to codegen for getresult instructions with undef operands.Dan Gohman2008-04-231-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50180 91177308-0d34-0410-b5e6-96231b3b80d8
* rename *.llx -> *.llChris Lattner2008-04-194-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49970 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this test x86-specific for now; targets that don't useDan Gohman2008-03-121-16/+0
| | | | | | | | the automated CallingConv code to handle return values typically don't support multiple return values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48265 91177308-0d34-0410-b5e6-96231b3b80d8
* Basic feature test for multiple return values in codegen.Dan Gohman2008-03-111-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48260 91177308-0d34-0410-b5e6-96231b3b80d8
* some more spelling changesGabor Greif2008-03-061-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47996 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2096, a regression introduced with my patch last night. ThisChris Lattner2008-02-261-0/+50
| | | | | | | also fixes cfrac, flops, and 175.vpr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47605 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix isNegatibleForFree to not return true for ConstantFP nodes Chris Lattner2008-02-261-0/+14
| | | | | | | | | | after legalize. Just because a constant is legal (e.g. 0.0 in SSE) doesn't mean that its negated value is legal (-0.0). We could make this stronger by checking to see if the negated constant is actually legal post negation, but it doesn't seem like a big deal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47591 91177308-0d34-0410-b5e6-96231b3b80d8
* testcase for PR1133Chris Lattner2008-02-211-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47427 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove llvm-upgrade and update tests.Tanya Lattner2008-02-1986-2699/+2541
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47296 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach LegalizeTypes how to expand and promote CTLZ,Duncan Sands2008-02-131-12/+11
| | | | | | | | | | | | | | | | | | | CTTZ and CTPOP. The expansion code differs from that in LegalizeDAG in that it chooses to take the CTLZ/CTTZ count from the Hi/Lo part depending on whether the Hi/Lo value is zero, not on whether CTLZ/CTTZ of Hi/Lo returned 32 (or whatever the width of the type is) for it. I made this change because the optimizers may well know that Hi/Lo is zero and exploit it. The promotion code for CTTZ also differs from that in LegalizeDAG: it uses an "or" to get the right result when the original value is zero, rather than using a compare and select. This also means the value doesn't need to be zero extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47075 91177308-0d34-0410-b5e6-96231b3b80d8
* Crashes LegalizeTypes with "Do not know how toDuncan Sands2008-02-041-0/+22
| | | | | | | expand the result of this operator!" (node: ctlz). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46713 91177308-0d34-0410-b5e6-96231b3b80d8
* Crashes LegalizeTypes with "Do not know how to splitDuncan Sands2008-02-041-0/+14
| | | | | | | this operator's operand" (node: extract_subvector). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46712 91177308-0d34-0410-b5e6-96231b3b80d8
* remove target triple to make this test more "generic"Chris Lattner2008-02-041-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46711 91177308-0d34-0410-b5e6-96231b3b80d8
* Crashed the new type legalizer. Not likely to catchDuncan Sands2008-02-041-0/+21
| | | | | | | | | | any bugs in the future since to get the crash you also need hacked in fake libcall support (which creates odd but legal trees), but since adding it doesn't hurt... Thanks to Chris for this ultimately reduced version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46706 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some bugs in SimplifyNodeWithTwoResults where it would call deletenode to Chris Lattner2008-01-261-0/+31
| | | | | | | | | | | | delete a node even if it was not dead in some cases. Instead, just add it to the worklist. Also, make sure to use the CombineTo methods, as it was doing things that were unsafe: the top level combine loop could touch dangling memory. This fixes CodeGen/Generic/2008-01-25-dag-combine-mul.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46384 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase.Chris Lattner2008-01-171-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46139 91177308-0d34-0410-b5e6-96231b3b80d8
* add testcase that has been sitting in my tree for awhile.Chris Lattner2008-01-171-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46124 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase for llvm.trap.Chris Lattner2008-01-151-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46020 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase for PR1845Chris Lattner2008-01-101-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45795 91177308-0d34-0410-b5e6-96231b3b80d8
* Setting GlobalDirective in TargetAsmInfo by default rather thanGordon Henriksen2008-01-072-0/+56
| | | | | | | | providing a misleading facility. It's used once in the MIPS backend and hardcoded as "\t.globl\t" everywhere else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45676 91177308-0d34-0410-b5e6-96231b3b80d8
* With this patch, the LowerGC transformation becomes theGordon Henriksen2008-01-071-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ShadowStackCollector, which additionally has reduced overhead with no sacrifice in portability. Considering a function @fun with 8 loop-local roots, ShadowStackCollector introduces the following overhead (x86): ; shadowstack prologue movl L_llvm_gc_root_chain$non_lazy_ptr, %eax movl (%eax), %ecx movl $___gc_fun, 20(%esp) movl $0, 24(%esp) movl $0, 28(%esp) movl $0, 32(%esp) movl $0, 36(%esp) movl $0, 40(%esp) movl $0, 44(%esp) movl $0, 48(%esp) movl $0, 52(%esp) movl %ecx, 16(%esp) leal 16(%esp), %ecx movl %ecx, (%eax) ; shadowstack loop overhead (none) ; shadowstack epilogue movl 48(%esp), %edx movl %edx, (%ecx) ; shadowstack metadata .align 3 ___gc_fun: # __gc_fun .long 8 .space 4 In comparison to LowerGC: ; lowergc prologue movl L_llvm_gc_root_chain$non_lazy_ptr, %eax movl (%eax), %ecx movl %ecx, 48(%esp) movl $8, 52(%esp) movl $0, 60(%esp) movl $0, 56(%esp) movl $0, 68(%esp) movl $0, 64(%esp) movl $0, 76(%esp) movl $0, 72(%esp) movl $0, 84(%esp) movl $0, 80(%esp) movl $0, 92(%esp) movl $0, 88(%esp) movl $0, 100(%esp) movl $0, 96(%esp) movl $0, 108(%esp) movl $0, 104(%esp) movl $0, 116(%esp) movl $0, 112(%esp) ; lowergc loop overhead leal 44(%esp), %eax movl %eax, 56(%esp) leal 40(%esp), %eax movl %eax, 64(%esp) leal 36(%esp), %eax movl %eax, 72(%esp) leal 32(%esp), %eax movl %eax, 80(%esp) leal 28(%esp), %eax movl %eax, 88(%esp) leal 24(%esp), %eax movl %eax, 96(%esp) leal 20(%esp), %eax movl %eax, 104(%esp) leal 16(%esp), %eax movl %eax, 112(%esp) ; lowergc epilogue movl 48(%esp), %edx movl %edx, (%ecx) ; lowergc metadata (none) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45670 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1833 - eh.exception and eh.selector return twoDuncan Sands2007-12-311-0/+36
| | | | | | | | | values, which means doing extra legalization work. It would be easier to get this kind of thing right if there was some documentation... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45472 91177308-0d34-0410-b5e6-96231b3b80d8
* Tests for changes made in r45356, where IPO optimizations would dropGordon Henriksen2007-12-262-0/+35
| | | | | | | collector algorithms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45357 91177308-0d34-0410-b5e6-96231b3b80d8
* GC poses hazards to the inliner. Consider:Gordon Henriksen2007-12-252-0/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | define void @f() { ... call i32 @g() ... } define void @g() { ... } The hazards are: - @f and @g have GC, but they differ GC. Inlining is invalid. This may never occur. - @f has no GC, but @g does. g's GC must be propagated to @f. The other scenarios are safe: - @f and @g have the same GC. - @f and @g have no GC. - @g has no GC. This patch adds inliner checks for the former two scenarios. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45351 91177308-0d34-0410-b5e6-96231b3b80d8
* Noting and enforcing that GC intrinsics are valid only within aGordon Henriksen2007-12-252-1/+11
| | | | | | | | | | function with GC. This will catch the error when the inliner inlines a function with GC into a caller with no GC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45350 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjusting verification of "llvm.gc*" intrinsic prototypes to matchGordon Henriksen2007-12-254-1/+49
| | | | | | | LangRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45349 91177308-0d34-0410-b5e6-96231b3b80d8
* Make invokes of inline asm legal. Teach codegenDuncan Sands2007-12-171-0/+15
| | | | | | | | | how to lower them (with no attempt made to be efficient, since they should only occur for unoptimized code). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45108 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding a collector name attribute to Function in the IR. These Gordon Henriksen2007-12-101-1/+1
| | | | | | | | | | | | | | | | | | | | | methods are new to Function: bool hasCollector() const; const std::string &getCollector() const; void setCollector(const std::string &); void clearCollector(); The assembly representation is as such: define void @f() gc "shadow-stack" { ... The implementation uses an on-the-side table to map Functions to collector names, such that there is no overhead. A StringPool is further used to unique collector names, which are extremely likely to be unique per process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44769 91177308-0d34-0410-b5e6-96231b3b80d8
* Upgrading this test to 2.0 .ll syntax.Gordon Henriksen2007-12-091-28/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44738 91177308-0d34-0410-b5e6-96231b3b80d8
* upgrade this testChris Lattner2007-11-281-49/+63
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44405 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash on invalid code due to memcpy lowering.Chris Lattner2007-11-271-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44378 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in which node A is replaced by node B, but laterDuncan Sands2007-11-211-0/+161
| | | | | | | | | node A gets back into the DAG again because it was hiding in one of the node maps: make sure that node replacement happens in those maps too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44263 91177308-0d34-0410-b5e6-96231b3b80d8
* -pre-RA-sched=none, simple, simple-noitin are gone.Evan Cheng2007-10-011-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42505 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment.Dan Gohman2007-09-241-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42263 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR1633: Verifier doesn't fully verify GC intrinsicsGordon Henriksen2007-09-171-1/+2
| | | | | | | | | | | | | | | LLVM now enforces the following prototypes for the write barriers: <ty>* @llvm.gcread(<ty2>*, <ty>**) void @llvm.gcwrite(<ty>*, <ty2>*, <ty>**) And for @llvm.gcroot, the first stack slot is verified to be an alloca or a bitcast of an alloca. Fixes test/CodeGen/Generic/GC/lower_gcroot.ll, which violated these. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42051 91177308-0d34-0410-b5e6-96231b3b80d8
* Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is ↵Anton Korobeynikov2007-09-073-88/+88
| | | | | | | | | needed, because they just "mark" register liveins and we let frontend solve type issue, not lowering code :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41763 91177308-0d34-0410-b5e6-96231b3b80d8
* Change all floating constants that are not exactlyDale Johannesen2007-09-055-7/+7
| | | | | | | representable to use hex format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41722 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a gcroot lowering bug.Evan Cheng2007-09-011-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41668 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove this test as it is too hard to fix after theDuncan Sands2007-08-271-1621/+0
| | | | | | | | latest EH changes, and in any case it is hard to imagine how the original bug could be reintroduced. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41497 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that we don't output cleanups by default, the actionDuncan Sands2007-08-271-1/+1
| | | | | | | offset needs to be adjusted in this test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41490 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow target constants to be illegal types. The target shouldChris Lattner2007-08-251-0/+8
| | | | | | | | know how to handle them. This fixes test/CodeGen/Generic/asm-large-immediate.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41388 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert tests using "grep -c ... | grep ..." to use the count script.Dan Gohman2007-08-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41100 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert tests using "| wc -l | grep ..." to use the count script.Dan Gohman2007-08-155-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41097 91177308-0d34-0410-b5e6-96231b3b80d8
* This is the patch to provide clean intrinsic function overloading support in ↵Chandler Carruth2007-08-041-8/+8
| | | | | | | | | LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future. This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40807 91177308-0d34-0410-b5e6-96231b3b80d8
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