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2009-03-08Keep calling-convention and tail-call bit when creating new invoke or call.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66384 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08do not export all the X86FastISel symbols, ever.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66382 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Fix comments, pointed out by Duncan Sands.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66381 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Apply ODR linkage changes accidentally dropped duringDuncan Sands
final cleaning. This fixes a bunch of testsuite failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66380 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Test commitSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66378 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Mark function returns as noalias.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66369 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08teach SROA to handle promoting vector allocas with a memset into them intoChris Lattner
a vector type instead of into an integer type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66368 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66367 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Enhance SROA to "promote to scalar" allocas which are Chris Lattner
memcpy/memmove'd into or out of. This fixes a serious perf issue that Nate ran into. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66366 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Recognize triplets starting with armv5-, armv6- etc. And set the ARM arch ↵Evan Cheng
version accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66365 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08change the MemIntrinsic get/setAlignment method to take an unsignedChris Lattner
instead of a Constant*, which is what the clients of it really want. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66364 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08If a MI uses the same register more than once, only mark one of them as 'kill'.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08use MemTransferInst.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Introduce a new MemTransferInst pseudo class, which is a commonChris Lattner
parent between MemCpyInst and MemMoveInst, simplify some code to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66361 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08add a note.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66360 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08add a note.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66359 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08implement an optimization to codegen c ? 1.0 : 2.0 as load { 2.0, 1.0 } + c*4. Chris Lattner
For 2009-03-07-FPConstSelect.ll we now produce: _f: xorl %eax, %eax testl %edi, %edi movl $4, %ecx cmovne %rax, %rcx leaq LCPI1_0(%rip), %rax movss (%rcx,%rax), %xmm0 ret previously we produced: _f: subl $4, %esp cmpl $0, 8(%esp) movss LCPI1_0, %xmm0 je LBB1_2 ## entry LBB1_1: ## entry movss LCPI1_1, %xmm0 LBB1_2: ## entry movss %xmm0, (%esp) flds (%esp) addl $4, %esp ret on PPC the code also improves to: _f: cntlzw r2, r3 srwi r2, r2, 5 li r3, lo16(LCPI1_0) slwi r2, r2, 2 addis r3, r3, ha16(LCPI1_0) lfsx f1, r3, r2 blr from: _f: li r2, lo16(LCPI1_1) cmplwi cr0, r3, 0 addis r2, r2, ha16(LCPI1_1) beq cr0, LBB1_2 ; entry LBB1_1: ; entry li r2, lo16(LCPI1_0) addis r2, r2, ha16(LCPI1_0) LBB1_2: ; entry lfs f1, 0(r2) blr This also improves the existing pic-cpool case from: foo: subl $12, %esp call .Lllvm$1.$piclabel .Lllvm$1.$piclabel: popl %eax addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$1.$piclabel], %eax cmpl $0, 16(%esp) movsd .LCPI1_0@GOTOFF(%eax), %xmm0 je .LBB1_2 # entry .LBB1_1: # entry movsd .LCPI1_1@GOTOFF(%eax), %xmm0 .LBB1_2: # entry movsd %xmm0, (%esp) fldl (%esp) addl $12, %esp ret to: foo: call .Lllvm$1.$piclabel .Lllvm$1.$piclabel: popl %eax addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$1.$piclabel], %eax xorl %ecx, %ecx cmpl $0, 4(%esp) movl $8, %edx cmovne %ecx, %edx fldl .LCPI1_0@GOTOFF(%eax,%edx) ret This triggers a few dozen times in spec FP 2000. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66358 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08random cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-08Fix misaligned whitespace. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07fix a serious pessimization that Tron on IRC pointed out where we wouldChris Lattner
"boolify" pointers, generating really awful code because getting the pointer value requires a load itself. Before: _foo: movb $1, _X.b ret _get: xorl %ecx, %ecx movb _X.b, %al testb %al, %al movl $_Y, %eax cmove %ecx, %eax ret With the xform disabled: _foo: movl $_Y, _X ret _get: movl _X, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Revert r66315. Fix the build on mixed 64/32 Linux systems.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66350 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Remove some duplication.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Introduce new linkage types linkonce_odr, weak_odr, common_odrDuncan Sands
and extern_weak_odr. These are the same as the non-odr versions, except that they indicate that the global will only be overridden by an *equivalent* global. In C, a function with weak linkage can be overridden by a function which behaves completely differently. This means that IP passes have to skip weak functions, since any deductions made from the function definition might be wrong, since the definition could be replaced by something completely different at link time. This is not allowed in C++, thanks to the ODR (One-Definition-Rule): if a function is replaced by another at link-time, then the new function must be the same as the original function. If a language knows that a function or other global can only be overridden by an equivalent global, it can give it the weak_odr linkage type, and the optimizers will understand that it is alright to make deductions based on the function body. The code generators on the other hand map weak and weak_odr linkage to the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66339 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07simplify the way how traits get hold of the symbol tableGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07further simplifications arising from peruse of the more declarative interfaceGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Remove the burden of dealing with list offsetsGabor Greif
from SymbolTableListTraits' clients, and intead request a nice declarative interface. Cleans up an IMHO ugly wart. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66331 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07When a crash signal is delivered do two things: remove all of ourChris Lattner
signal handlers to prevent reentrance on unrelated things (a sigabort where the handle bus errors) also, clear the signal mask so that the signal doesn't infinitely reissue. This fixes rdar://6654827 - Crash causes clang to loop git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66330 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Finish cross-process JIT work, and clean up previous work.Nate Begeman
1. When the JIT is asked to remove a function, updating it's mapping to 0, we invalidate any function stubs used only by that function. Now, also invalidate the JIT's mapping from the GV the stub pointed to, to the address of the GV. 2. When dlsym stubs for cross-process JIT are enabled, do not abort just because a named function cannot be found in the JIT's process. 3. Fix various assumptions about when it is ok to use the lazy resolver when non-lazy JITing is enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66324 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Arithmetic instructions don't set EFLAGS bits OF and CF bitsDan Gohman
the same say the "test" instruction does in overflow cases, so eliminating the test is only safe when those bits aren't needed, as is the case for COND_E and COND_NE, or if it can be proven that no overflow will occur. For now, just restrict the optimization to COND_E and COND_NE and don't do any overflow analysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66318 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07If ARCH is x86_64, pass -m64 to the host compiler. -m32 for i386. This makes ↵Evan Cheng
sure the JIT work correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Add IRBuilder::CreateConstGEP{1, 2}_{32, 64}.Daniel Dunbar
- Names are lame, but it seems better to be explicit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66295 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Rename my makefile debugging rule to prevent accidental collisions.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66294 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Add Module::getNamedValue; use to normalize access to Module symbolDaniel Dunbar
table. - No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Fix another case where debug info interferes withDale Johannesen
an optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66288 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Add default constructor to SDNode to make gcc 3.4.6 happy.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66280 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Use c_str() to force the string to be nul-terminated.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66279 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Add a comment.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06some nits noticed by DuncanChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06fix header comment and include guard.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06add a bunch more passes to the C bindings (PR3734), patch byChris Lattner
Lennart Augustsson! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66272 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Trailing whitespace.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66269 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Trailing whitespace.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66268 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06While thinking about the one-definition-rule and tryingDuncan Sands
to find a tiny mouse hole to squeeze through, it struck me that globals without a name can be considered internal since they can't be referenced from outside the current module. This patch makes GlobalOpt give them internal linkage. Also done for aliases even though they always have names, since in my opinion anonymous aliases should be allowed for consistency with global variables and functions. So if that happens one day, this code is ready! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66267 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06on apple systems, integrate nicely with crash reporter.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66264 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06While converting an aggregate to scalare, ignore and remove aggregate's ↵Devang Patel
debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66262 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Sprinkle some PrettyStackEntry magic into the passmanager. With this, we nowChris Lattner
get nice and happy stack traces when we crash in an optimizer or codegen. For example, an abort put in UnswitchLoops now looks like this: Stack dump: 0. Program arguments: clang pr3399.c -S -O3 1. <eof> parser at end of file 2. per-module optimization passes 3. Running pass 'CallGraph Pass Manager' on module 'pr3399.c'. 4. Running pass 'Loop Pass Manager' on function '@foo' 5. Running pass 'Unswitch loops' on basic block '%for.inc' Abort git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Remove this as dbginfo intrinsics has been defined asZhou Sheng
IntrNoMem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06While hoisting instruction to speculatively execute simple bb, ignore dbg ↵Devang Patel
intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66255 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06various cosmetic cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66254 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06this wasn't intended to go in.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66252 91177308-0d34-0410-b5e6-96231b3b80d8
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