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2011-03-07DebugInfo can be enabled or disabled at function level (e.g. using an ↵Devang Patel
attribute). However, at module level it is determined by command line option and the state of command line option does not change during compilation. Make this layering explicit and fix accidental cases where the code generator was checking whether module has debug info enabled instead of checking whether debug info is enabled for this function or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127165 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04Initialize variable.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127039 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Revert "Add CC_Win64ThisCall and set it in the necessary places."Tilmann Scheller
This reverts commit 126863. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Add CC_Win64ThisCall and set it in the necessary places.Tilmann Scheller
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126863 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28fix my containsBreak predicate.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126600 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28Add some helper methods that will be used in my next patch.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-27Change the interface to ConstantFoldsToSimpleInteger to not encode Chris Lattner
a bool + success into one tri-state integer, simplifying things. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126592 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-20Add a LangOptions::areExceptionsEnabled and start using it.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17Change the representation of GNU ?: expressions to use a different expressionJohn McCall
class and to bind the shared value using OpaqueValueExpr. This fixes an unnoticed problem with deserialization of these expressions where the deserialized form would lose the vital pointer-equality trait; or rather, it fixes it because this patch also does the right thing for deserializing OVEs. Change OVEs to not be a "temporary object" in the sense that copy elision is permitted. This new representation is not totally unawkward to work with, but I think that's really part and parcel with the semantics we're modelling here. In particular, it's much easier to fix things like the copy elision bug and to make the CFG look right. I've tried to update the analyzer to deal with this in at least some obvious cases, and I think we get a much better CFG out, but the printing of OpaqueValueExprs probably needs some work. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125744 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17Step #1/N of implementing support for __label__: split labels intoChris Lattner
LabelDecl and LabelStmt. There is a 1-1 correspondence between the two, but this simplifies a bunch of code by itself. This is because labels are the only place where we previously had references to random other statements, causing grief for AST serialization and other stuff. This does cause one regression (attr(unused) doesn't silence unused label warnings) which I'll address next. This does fix some minor bugs: 1. "The only valid attribute " diagnostic was capitalized. 2. Various diagnostics printed as ''labelname'' instead of 'labelname' 3. This reduces duplication of label checking between functions and blocks. Review appreciated, particularly for the cindex and template bits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15Assorted cleanup:John McCall
- Have CGM precompute a number of commonly-used types - Have CGF copy that during initialization instead of recomputing them - Use TBAA info when initializing a parameter variable - Refactor the scalar ++/-- code git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125562 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-14OpenCL: add support for __kernel, kernel keywords and EXTENSION,Peter Collingbourne
FP_CONTRACT pragmas. Patch originally by ARM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-13Give some convenient idiomatic accessors to Stmt::child_range andJohn McCall
Stmt::const_child_range, then make a bunch of places use them instead of the individual iterator accessors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10IRgen: Fix an immediate-exit-from-fn style nit.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125289 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-10Implement mcount profiling, enabled via -pg.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125282 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-08Reorganize CodeGen{Function,Module} to eliminate the unfortunateJohn McCall
Block{Function,Module} base class. Minor other refactorings. Fixed a few address-space bugs while I was there. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125085 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Do the right thing for zero-initializing VLAs that don't have a zeroJohn McCall
bit-pattern. It's not clear that this is actually useful given current language restrictions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124685 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Move all the cleanups framework code into a single file.John McCall
Pure motion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124484 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-26Better framework for conditional cleanups; untested as yet.John McCall
I'm separately committing this because it incidentally changes some block orderings and minor IR issues, like using a phi instead of an unnecessary alloca. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-14Support the zero-initialization of VLAs when that really means a zeroJohn McCall
bit-pattern. Continue punting on zero-initializing VLAs with a nonzero pattern. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123439 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-14When simplifying a cleanup's entry by merging it into a single predecessor,John McCall
replace all uses of the entry with the predecessor. There are no cleanups relying on this right now, but if we ever want a cleanup with a phi inside it, this will be important. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123438 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-30Simplify mem{cpy, move, set} creation with IRBuilder.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122634 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-14Restore r121752 without modification.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121763 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-14Pull out r121752 in case it's causing the selfhost breakage.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121759 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-14Factor out most of the extra state in a FunctionProtoType into a separateJohn McCall
class to be passed around. The line between argument and return types and everything else is kindof vague, but I think it's justifiable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121752 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-10Added ParenType type node.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121488 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29Use CodeGenFunction's getContext(), for consistency.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117734 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Permit constant evaluation of const floating-point variables withJohn McCall
constant initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-06Remove unused argument.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115789 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Teach PopCleanupBlock to correctly handle the possibility of branching throughJohn McCall
a EH-only cleanup as part of a fallthrough branch-through. That this happens for this test case is actually a separate bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115668 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05If we're resolving all outstanding fixups, and there are multiple fixupsJohn McCall
for the same destination, then we must potentially rewrite the initial branch of every fixup. Without this patch, a short-circuit check meant to prevent a switch case from being redundantly added was preventing later fixups from being processed. Fixes PR8175 (again). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115586 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-24Patch implements passing arrays to functions expectingFariborz Jahanian
vla. Implements pr7827. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114737 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-18Adjust a fixup's starting branch if it's being resolved becauseJohn McCall
it reached the outermost scope and it hasn't yet been forwarded to a cleanup. Fixed PR8175. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114259 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-17When emitting a new-expression inside a conditional expression,John McCall
the cleanup might not be dominated by the allocation code. In this case, we have to store aside all the delete arguments in case we need them later. There's room for optimization here in cases where we end up not actually needing the cleanup in different branches (or being able to pop it after the initialization code). Also make sure we only call this operator delete along the path where we actually allocated something. Fixes rdar://problem/8439196. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Implement the EH cleanup to call 'operator delete' if a new-expression throwsJohn McCall
(but not if destructors associated with the full-expression throw). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113836 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Teach IR generation to return 'this' from constructors and destructorsJohn McCall
under the ARM ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112588 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25GCC didn't care for my attempt at API compatibility, so brute-force everythingJohn McCall
to the new constants. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22Go back to asking CodeGenTypes whether a type is zero-initializable.John McCall
Make CGT defer to the ABI on all member pointer types. This requires giving CGT a handle to the ABI. It's way easier to make that work if we avoid lazily creating the ABI. Make it so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111786 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22Experiment with using first-class aggregates to represent member functionJohn McCall
pointers. I find the resulting code to be substantially cleaner, and it makes it very easy to use the same APIs for data member pointers (which I have conscientiously avoided here), and it avoids a plethora of potential inefficiencies due to excessive memory copying, but we'll have to see if it actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111776 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22Abstract more member-pointerness out.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111771 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-14More cleanup enabling.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111070 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13Sketch out a framework for delaying the activation of a cleanup.John McCall
Not yet complete or used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Revise r110163: don't mark weak functions nounwind, because the optimizerJohn McCall
treats that as a contract to be fulfilled by any replacements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110864 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11IRGen support for functions returning objc objectFariborz Jahanian
types. Fixes PR7865. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110832 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Simplify code and add comments, in code that generate debug info for ↵Devang Patel
constant integer globals, based on Chris's feedback. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110694 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Even if a constant's evaluated value is used, emit debug info for the ↵Devang Patel
constant variable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110660 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-07Inline a special case of EmitAggregateCopy into EmitNullInitializationJohn McCall
to avoid the awesome-but-wrong-in-this-case assertion in the canon EAC. Fixes PR7834. Also fix a subtle address-space bug in the memset path. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110511 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Do a very simple pass over every function we emit to infer whether we canJohn McCall
mark it nounwind based on whether it contains any non-nounwind calls. <rdar://problem/8087431> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110163 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-28When creating a jump destination, its scope should be the scope of theJohn McCall
enclosing normal cleanup, not the top of the EH stack. I'm *really* surprised this hasn't been causing more problems. Fixes rdar://problem/8231514. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109569 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Test for the presence of EH branch-throughs instead of normal branch-throughs.John McCall
I knew this code duplication would bite me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109463 91177308-0d34-0410-b5e6-96231b3b80d8
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