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Commit Graph

13 Commits

Author SHA1 Message Date
Karl Schimpf
09e7a2e684 Fix SEGV in InlineAsm::ConstraintInfo::Parse.
Summary:
Fixes bug 24646. Previous code was not checking if an index into a vector
was valid, resulting in a SEGV. Fixed by assuming the construct can't
be parsed when given this input.

Reformat and add test.

Differential Revision: http://reviews.llvm.org/D12539

llvm-svn: 246774
2015-09-03 15:41:37 +00:00
Karl Schimpf
2d3030ebd1 Fix SEGV in InlineAsm::ConstraintInfo::Parse.
Fixes bug 24646. Previous code was not checking if an index into a vector
was valid, resulting in a SEGV. Fixed by assuming the construct can't
be parsed when given this input.

llvm-svn: 246773
2015-09-03 15:41:34 +00:00
David Blaikie
f9228bb7b8 [opaque pointer type] Avoid using pointee types to retrieve InlineAsm's function type
As a stop-gap, retrieving the InlineAsm's function type was done via the
pointee type of its (pointer) Value type.

Instead, pass down and store the FunctionType in the InlineAsm object.

The only wrinkle with this is the ConstantUniqueMap, which then needs to
ferry the FunctionType down through the InlineAsmKeyType. This could be
done a bit differently if the ConstantInfo trait were broadened a bit to
provide an extension point for access to the TypeClass object from the
ValType objects, so that the ConstantUniqueMap<InlineAsm> would then be
keyed on FunctionTypes instead of PointerTypes that point to
FunctionTypes.

This drops the number of IR tests that don't roundtrip through bitcode*
without calling PointerType::getElementType from 416 to 8 (out of
10733). 3 of those crash when roundtripping at ToT anyway.

* modulo various unavoidable uses of pointer types when validating IR
  (for now) and in the way globals are parsed, unfortunately. These
  cases will either go away (because such validation will no longer be
  necessary or possible when pointee types are opaque), or have to be
  made simultaneously with the removal of pointee types.

llvm-svn: 243356
2015-07-28 00:06:38 +00:00
Benjamin Kramer
42941760b3 Silence sign compare warning. NFC.
llvm-svn: 233502
2015-03-29 20:49:03 +00:00
Benjamin Kramer
40ebf4f0c7 [inline asm] Don't reject duplicated matching constraints
They're harmless and it's easy to generate them from clang, leading to
a crash in LLVM. Found by afl-fuzz.

llvm-svn: 233500
2015-03-29 20:33:07 +00:00
David Blaikie
350b9cbf65 Simplify expressions involving boolean constants with clang-tidy
Patch by Richard (legalize at xmission dot com).

Differential Revision: http://reviews.llvm.org/D8154

llvm-svn: 231617
2015-03-09 01:57:13 +00:00
Eric Christopher
a46732b919 Reformat (and remove some tabs) to make debugging this code a
little easier to step through.

llvm-svn: 228746
2015-02-10 21:15:06 +00:00
Akira Hatanaka
f67a747835 [inline asm] Add a check in InlineAsm::ConstraintInfo::Parse to make sure '{'
follows '~' in a clobber constraint string.

Previously llc would hit an llvm_unreachable when compiling an inline-asm
instruction with malformed constraint string "~x{21}". This commit enables
LLParser to catch the error earlier and print a more helpful diagnostic.

rdar://problem/14206559

llvm-svn: 217288
2014-09-05 22:30:32 +00:00
Craig Topper
457de03c6e [C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr.
llvm-svn: 205831
2014-04-09 06:08:46 +00:00
Benjamin Kramer
c4a4a8061a Remove copy ctors that did the same thing as the default one.
The code added nothing but potentially disabled move semantics and made
types non-trivially copyable.

llvm-svn: 203563
2014-03-11 11:32:49 +00:00
Guy Benyei
92dac48079 Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration.
llvm-svn: 175006
2013-02-12 21:21:59 +00:00
Chandler Carruth
4c1f3c24db Move all of the header files which are involved in modelling the LLVM IR
into their new header subdirectory: include/llvm/IR. This matches the
directory structure of lib, and begins to correct a long standing point
of file layout clutter in LLVM.

There are still more header files to move here, but I wanted to handle
them in separate commits to make tracking what files make sense at each
layer easier.

The only really questionable files here are the target intrinsic
tablegen files. But that's a battle I'd rather not fight today.

I've updated both CMake and Makefile build systems (I think, and my
tests think, but I may have missed something).

I've also re-sorted the includes throughout the project. I'll be
committing updates to Clang, DragonEgg, and Polly momentarily.

llvm-svn: 171366
2013-01-02 11:36:10 +00:00
Chandler Carruth
1879729aa9 Rename VMCore directory to IR.
Aside from moving the actual files, this patch only updates the build
system and the source file comments under lib/... that are relevant.

I'll be updating other docs and other files in smaller subsequnet
commits.

While I've tried to test this, but it is entirely possible that there
will still be some build system fallout.

Also, note that I've not changed the library name itself: libLLVMCore.a
is still the library name. I'd be interested in others' opinions about
whether we should rename this as well (I think we should, just not sure
what it might break)

llvm-svn: 171359
2013-01-02 09:10:48 +00:00