Commit Graph

86542 Commits

Author SHA1 Message Date
Hal Finkel
8b9796f4f8 BBVectorize: Check the input types of shuffles for legality
This fixes a bug where shuffles were being fused such that the
resulting input types were not legal on the target. This would
occur only when both inputs and dependencies were also foldable
operations (such as other shuffles) and there were other connected
pairs in the same block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167731 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:50:59 +00:00
Alexander Potapenko
dece7039dd Don't use __cxa_demangle under MSVC (which doesn't have it)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:49:58 +00:00
Alexey Samsonov
1faf9be569 [ASan] fixup for r167725: Don't fetch name of StructType if it is literal
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167729 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:47:00 +00:00
Alexey Samsonov
4c0ae9066f Fixup for r167558: Store raw pointer (instead of reference) to RelocMap in DIContext. This is needed to prevent crashes because of dangling reference if the clients don't provide RelocMap to DIContext constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167728 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:25:36 +00:00
Meador Inge
30d8f0e977 Normalize memcmp constant folding results.
The library call simplifier folds memcmp calls with all constant arguments
to a constant.  For example:

  memcmp("foo", "foo", 3) ->  0
  memcmp("hel", "foo", 3) ->  1
  memcmp("foo", "hel", 3) -> -1

The folding is implemented in terms of the system memcmp that LLVM gets
linked with.  It currently just blindly uses the value returned from
the system memcmp as the folded constant.

This patch normalizes the values returned from the system memcmp to
(-1, 0, 1) so that we get consistent results across multiple platforms.
The test cases were adjusted accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167726 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:00:45 +00:00
Alexey Samsonov
9cc45d2d7e [ASan]: Add minimalistic support for turning off initialization-order checking for globals of specified types. Tests for this behavior will go to ASan test suite in compiler-rt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167725 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 14:00:01 +00:00
Gabor Greif
d54393153a do not play preprocessor tricks with 'private', use public interfaces instead; this appeases the VC++ buildbots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167724 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 13:34:59 +00:00
Alexander Potapenko
f41954b732 [ASan] Add llvm-symbolizer from to tools/
This is the second and last (2/2) part of a change that moves llvm-symbolizer to llvm/tools/, which will allow to build it
with both cmake and configure+make.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167723 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 11:33:29 +00:00
Gabor Greif
9a5f90a170 add unit test for waymarking algorithm (Use::getUser)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167720 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 10:01:17 +00:00
Eric Christopher
4db8833c93 Remove unused field.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167719 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 07:35:12 +00:00
Michael Liao
dd3383fd09 Fix PR14314
- Fix operand order for atomic sub, where the minuend is the value
  loaded from memory and the subtrahend is the parameter specified.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167718 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 06:49:17 +00:00
Craig Topper
8ee3963409 Add --enable-werror and --enable-cxx11 to projects/sample/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167716 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 06:11:12 +00:00
Justin Holewinski
08e9cb46fe [NVPTX] Add more precise PTX/SM target attributes
Each SM and PTX version is modeled as a subtarget feature/CPU. Additionally,
PTX 3.1 is added as the default PTX version to be out-of-the-box compatible
with CUDA 5.0.

Available CPUs for this target:

  sm_10 - Select the sm_10 processor.
  sm_11 - Select the sm_11 processor.
  sm_12 - Select the sm_12 processor.
  sm_13 - Select the sm_13 processor.
  sm_20 - Select the sm_20 processor.
  sm_21 - Select the sm_21 processor.
  sm_30 - Select the sm_30 processor.
  sm_35 - Select the sm_35 processor.

Available features for this target:

  ptx30 - Use PTX version 3.0.
  ptx31 - Use PTX version 3.1.
  sm_10 - Target SM 1.0.
  sm_11 - Target SM 1.1.
  sm_12 - Target SM 1.2.
  sm_13 - Target SM 1.3.
  sm_20 - Target SM 2.0.
  sm_21 - Target SM 2.1.
  sm_30 - Target SM 3.0.
  sm_35 - Target SM 3.5.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 03:16:43 +00:00
Meador Inge
b798edd791 Delete a stale comment. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167698 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12 00:28:15 +00:00
Craig Topper
2da3691d6d Move some helper methods to being static functions in the implementation file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167696 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 22:45:02 +00:00
Meador Inge
0c4cbc33dd Remove hard-coded constant in Transforms/InstCombine/memcmp-1.ll
Transforms/InstCombine/memcmp-1.ll has a test case that looks like:

  @foo = constant [4 x i8] c"foo\00"
  @hel = constant [4 x i8] c"hel\00"

  ...

  %mem1 = getelementptr [4 x i8]* @hel, i32 0, i32 0
  %mem2 = getelementptr [4 x i8]* @foo, i32 0, i32 0
  %ret = call i32 @memcmp(i8* %mem1, i8* %mem2, i32 3)
  ret i32 %ret
  ; CHECK: ret i32 2

The folded return value (2 above) is computed using the system memcmp
that the compiler is linked with.  This can return different values on
different systems.  The test was originally written on an OS X 10.7.5
x86-64 box and passed.  However, it failed on one of the x86-64 FreeBSD
buildbots because the system memcpy on that machine returned a different
value (1 instead of 2).

I fixed the test by checking the folding constants with regexes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 07:10:25 +00:00
Meador Inge
26ebe398f2 instcombine: Migrate memset optimizations
This patch migrates the memset optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 06:49:03 +00:00
Nadav Rotem
d324c48e55 Update the vectorizer docs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167688 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 06:47:51 +00:00
Meador Inge
d7cb600514 instcombine: Migrate memmove optimizations
This patch migrates the memmove optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167687 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 06:22:40 +00:00
Meador Inge
11b04b40f2 instcombine: Migrate memcpy optimizations
This patch migrates the memcpy optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167686 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 05:54:34 +00:00
Nadav Rotem
955cf53266 Use the isTruncFree and isZExtFree API to figure out of these operations are free. Thanks Andy!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167685 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 05:34:45 +00:00
Nadav Rotem
9005b8d27d Fix a comment typo and add comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167684 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 05:15:00 +00:00
Meador Inge
bb51ec8b62 instcombine: Migrate memcmp optimizations
This patch migrates the memcmp optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167683 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 05:11:20 +00:00
Meador Inge
6e1591a5d5 instcombine: Migrate strstr optimizations
This patch migrates the strstr optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167682 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 03:51:48 +00:00
Meador Inge
b69bf6be1b Add method for replacing instructions to LibCallSimplifier
In some cases the library call simplifier may need to replace instructions
other than the library call being simplified.  In those cases it may be
necessary for clients of the simplifier to override how the replacements
are actually done.  As such, a new overrideable method for replacing
instructions was added to LibCallSimplifier.

A new subclass of LibCallSimplifier is also defined which overrides
the instruction replacement method.  This is because the instruction
combiner defines its own replacement method which updates the worklist
when instructions are replaced.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167681 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11 03:51:43 +00:00
Benjamin Kramer
23280ffb90 Provide definitions for all functions.
ICC refuses to compile a class in an anonymous namespace if some functions
aren't defined. Fixes PR13477.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167676 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 16:10:16 +00:00
Meador Inge
5464ee7eaa instcombine: Migrate strcspn optimizations
This patch migrates the strcspn optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167675 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 15:16:48 +00:00
Benjamin Kramer
79949597b2 Simplify the SmallVector pretty printer for LLDB a bit and make it work with reference types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167674 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 09:45:32 +00:00
Craig Topper
52ea245083 Remove unnecessary subtraction and addition by 1 around a couple for loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167673 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 09:25:36 +00:00
Duncan Sands
68b094f83d Remove empty directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167672 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 09:24:44 +00:00
Craig Topper
8cb8c8119a Tidy up spacing. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167671 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 09:02:47 +00:00
Craig Topper
5ed5c37d7f Removed unimplemented method declaration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167670 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 09:00:12 +00:00
Craig Topper
8aae8ddb92 Simplify custom emitter code for pcmp(e/i)str(i/m) and make the helper functions static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167669 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 08:57:41 +00:00
Evan Cheng
785500618a Convert an improper CodeGen test to a MC test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167663 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 04:30:40 +00:00
Meador Inge
e29c88064f instcombine: Query target library information to gate libcall simplifications
Several of the simplifiers migrated from the simplify-libcalls pass to
the instcombine pass were not correctly checking the target library
information to gate the simplifications.  This patch ensures that the
check is made.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167660 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 03:11:10 +00:00
Meador Inge
939f500202 Add more functions to the target library information.
In the process of migrating optimizations from the simplify-libcalls pass
to the instcombine pass I noticed that a few functions are missing from
the target library information.  These functions need to be available for
querying in the instcombine library call simplifiers.  More functions will
probably be added in the future as more simplifiers are migrated to
instcombine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167659 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 03:11:06 +00:00
Evan Cheng
2f69102b8d xfail a bad test. This is a MC test but it's dependent on a codegen optimization which is now disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167658 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 02:34:36 +00:00
Evan Cheng
b341fac05a Disable the Thumb no-return call optimization:
mov lr, pc
b.w _foo

The "mov" instruction doesn't set bit zero to one, it's putting incorrect
value in lr. It messes up backtraces.

rdar://12663632


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167657 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 02:09:05 +00:00
Craig Topper
9c7ae01f39 Cleanup pcmp(e/i)str(m/i) instruction definitions and load folding support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167652 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10 01:23:36 +00:00
Justin Holewinski
89443ff7ae [NVPTX] Use ABI alignment for parameters when alignment is not specified.
Affects SM 2.0+.  Fixes bug 13324.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167646 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 23:50:24 +00:00
Evandro Menezes
f1adbfe4e2 Fix issue with invalid flat operand number
Avoid iterating over list of operands beyond the number of operands in it.

PS: this fixes issue with revision #167634.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167635 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 21:27:03 +00:00
Evandro Menezes
f1bb42152a Fix issue with invalid flat operand number
Avoid iterating over list of operands beyond the number of operands in it.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167634 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 20:29:37 +00:00
Anton Korobeynikov
12cfa11960 Add ARM TARGET2 relocation. The testcase will follow with actualy use-case.
Based on the patch by Logan Chien!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167633 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 20:20:12 +00:00
Roman Divacky
64f03673d2 Switch FreeBSD/i386 back to 4byte stack alignment. This partially
reverts r126226.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167632 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 20:10:44 +00:00
Jakob Stoklund Olesen
722c9a7925 Fix assertions in updateRegMaskSlots().
The RegMaskSlots contains 'r' slots while NewIdx and OldIdx are 'B'
slots. This broke the checks in the assertions.

This fixes PR14302.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167625 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 19:18:49 +00:00
Chad Rosier
b3235b128f Revert r167620; this can be implemented using an existing CL option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167622 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 18:25:27 +00:00
Chad Rosier
d054eda441 Add support for -mstrict-align compiler option for ARM targets.
rdar://12340498


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167620 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 17:29:38 +00:00
Benjamin Kramer
b754687fd7 Silence GCC warning about falling off the end of a non-void function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167618 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 15:45:22 +00:00
Dmitry Vyukov
c2e9ca15fb tsan: switch to new memory_order constants (ABI compatible)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167615 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 14:12:16 +00:00
Dmitry Vyukov
9f8a90b3ce tsan: instrument all atomics (including fetch_add, exchange, cas, etc)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167612 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09 12:55:36 +00:00