Commit Graph

110936 Commits

Author SHA1 Message Date
Duncan P. N. Exon Smith
85cbe57fc5 IR: Don't track nullptr on metadata RAUW
The RAUW support in `Metadata` supports going to `nullptr` specifically
to handle values being deleted, causing `ValueAsMetadata` to be deleted.

Fix the case where the reference is from a `TrackingMDRef` (as opposed
to an `MDOperand` or a `MetadataAsValue`).

This is surprisingly rare -- metadata tracked by `TrackingMDRef` going
to null -- but it came up in an openSUSE bootstrap during inlining.  The
tracking ref was held by the `ValueMap` because it was referencing a
local, the basic block containing the local became dead after it had
been merged in, and when the local was deleted, the tracking ref
asserted in an `isa`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224146 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 19:24:33 +00:00
Rafael Espindola
8ef835e3dc MAP_FILE is the default. We don't need to add it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224144 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 19:12:42 +00:00
Reid Kleckner
181c6d219d Relax debug-map-parsing.test error message check for Windows
On Windows we get the string "no such file or directory".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224141 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 18:52:07 +00:00
Steven Wu
ac42de8ef0 More code format fix from r224133, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224140 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 18:48:37 +00:00
Rafael Espindola
879b54621e Remove silly left over from the Windows resize_file implementation.
I didn't notice the problem first because on a non debug build the CRT was
just exiting the process without any message.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224139 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 18:37:43 +00:00
Rafael Espindola
7f4b22e7de Move the resize file feature from mapped_file_region to the only user.
This removes a duplicated stat on every file that llvm-ar looks at.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224138 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 18:13:23 +00:00
Rafael Espindola
e1136e38a7 Pass a FD to resise_file and add a testcase.
I will add a real use in another commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224136 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 17:55:12 +00:00
Rafael Espindola
7291e0706e Remove unused feature. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224135 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 17:35:34 +00:00
Frederic Riss
31e081ed96 Initial dsymutil tool commit.
The goal of this tool is to replicate Darwin's dsymutil functionality
based on LLVM. dsymutil is a DWARF linker. Darwin's linker (ld64) does
not link the debug information, it leaves it in the object files in
relocatable form, but embbeds a `debug map` into the executable that
describes where to find the debug information and how to relocate it.
When releasing/archiving a binary, dsymutil is called to link all the DWARF
information into a `dsym bundle` that can distributed/stored along with
the binary.

With this commit, the LLVM based dsymutil is just able to parse the STABS
debug maps embedded by ld64 in linked binaries (and not all of them, for
example archives aren't supported yet).

Note that the tool directory is called dsymutil, but the executable is
currently called llvm-dsymutil. This discrepancy will disappear once the
tool will be feature complete. At this point the executable will be renamed
to dsymutil, but until then you do not want it to override the system one.

    Differential Revision: http://reviews.llvm.org/D6242

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224134 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 17:31:24 +00:00
Steven Wu
00b3170e70 Restructure code from r224097. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224133 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 17:21:54 +00:00
Robert Khasanov
5dc8ac87f1 [AVX512] Enabling bit logic lowering
Added lowering tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224132 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 17:02:18 +00:00
Rafael Espindola
fe6c7ee0f0 Now that we require a newer python, use the new exception syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224130 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 15:32:23 +00:00
Rafael Espindola
708bc15ff0 Require python 2.7.
We were already requiring 2.5, which meant that people on old linux distros
had to upgrade anyway.

Requiring python 2.6 will make supporting 3.X easier as we can use the 3.X
exception syntax.

According to the discussion on llvmdev, there is not much value is requiring
just 2.6, we may as well just require 2.7.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224129 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 15:29:31 +00:00
Vasileios Kalintiris
7db2065236 [mips] Enable code generation for MIPS-III.
Summary:
This commit enables the MIPS-III target and adds support for code
generation of SELECT nodes. We have to use pseudo-instructions with
custom inserters for these nodes as MIPS-III CPUs do not have
conditional-move instructions.

Depends on D6212

Reviewers: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6464

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224128 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 15:16:46 +00:00
Robert Khasanov
a4f5a5525d [AVX512] Enabling MIN/MAX lowering.
Added lowering tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224127 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 15:10:43 +00:00
Andrea Di Biagio
de48903a20 Reapply "[MachineScheduler] Fix for PR21807: minor code difference building with/without -g."
This reapplies r224118 with a fix for test 'misched-code-difference-with-debug.ll'.
That test was failing on some buildbots because it was x86 specific but it was
missing a target triple.
Added an explicit triple to test misched-code-difference-with-debug.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224126 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 15:09:58 +00:00
Chad Rosier
5400fd6d79 [Reassociate] Use dbgs() instead of errs().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224125 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 14:44:12 +00:00
Vasileios Kalintiris
31f9936bf5 [mips] Support SELECT nodes for targets that don't have conditional-move instructions.
Summary:
For Mips targets that do not have conditional-move instructions, ie. targets
before MIPS32 and MIPS-IV, we have to insert a diamond control-flow
pattern in order to support SELECT nodes. In order to do that, we add
pseudo-instructions with a custom inserter that emits the necessary
control-flow that selects the correct value.

With this patch we add complete support for code generation of Mips-II targets
based on the LLVM test-suite.

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6212

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224124 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 14:41:37 +00:00
Rafael Espindola
97996ea790 Disable --icf=safe to avoid a bug.
Thanks to Sameer Sahasrabuddhe for the report!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224123 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 14:28:19 +00:00
Robert Khasanov
b59ec5ad50 [AVX512] Minor fix in lowering pattern for broadcast intrustions.
No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224122 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 14:21:30 +00:00
Andrea Di Biagio
bf72e14565 Revert: [MachineScheduler] Fix for PR21807: minor code difference building with/without -g.
Test 'misched-code-difference-with-debug.ll' was failing on some buildbots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224121 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 13:34:03 +00:00
Suyog Sarda
1dea0dc279 This patch recognizes (+ (+ v0, v1) (+ v2, v3)), reorders them for bundling into vector of loads,
and vectorizes it. 
 
 Test case :
 
       float hadd(float* a) {
           return (a[0] + a[1]) + (a[2] + a[3]);
        }
 
 
 AArch64 assembly before patch :
 
        ldp	s0, s1, [x0]
 	ldp	s2, s3, [x0, #8]
 	fadd	s0, s0, s1
 	fadd	s1, s2, s3
 	fadd	s0, s0, s1
 	ret
 
 AArch64 assembly after patch :
 
        ldp	d0, d1, [x0]
 	fadd	v0.2s, v0.2s, v1.2s
 	faddp	s0, v0.2s
 	ret

Reviewed Link : http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141208/248531.html



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224119 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 12:53:44 +00:00
Andrea Di Biagio
c15d82e259 [MachineScheduler] Fix for PR21807: minor code difference building with/without -g.
This patch fixes the issue reported as PR21807. There was a minor difference
in the generated code depending on the -g flag.

The cause was that with -g the machine scheduler used a different
scheduling strategy. This decision was based on the number of instructions
in a schedule region and included debug instructions in that count.

This patch fixes the issue in MISched and provides a test.

Patch by Russell Gallop!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224118 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 12:41:22 +00:00
Charlie Turner
2a3c63a58f Emit Tag_ABI_FP_16bit_format build attribute.
The __fp16 type is unconditionally exposed. Since -mfp16-format is not yet
supported, there is not a user switch to change this behaviour. This build
attribute should capture the default behaviour of the compiler, which is to
expose the IEEE 754 version of __fp16.

When -mfp16-format is emitted, that will be the way to control the value of
this build attribute.

Change-Id: I8a46641ff0fd2ef8ad0af5f482a6d1af2ac3f6b0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224115 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 11:59:18 +00:00
Yaron Keren
536c84fb86 Silence gcc 4.9.1 warning 'xyz' is used uninitialized in this function.
In release builds this is actually possible as without asserts there is 
no testing of the actual read bytes and the variables could be partially
uninitialized.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224114 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 11:07:51 +00:00
Craig Topper
2c86ed89ae Pass output stream to AsLexInput instead of the whole tool_output_file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224109 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:19 +00:00
Craig Topper
b8e1d7998b Use unique_ptr to remove an explicit delete. Change return type to pass the unique_ptr to caller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224108 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:16 +00:00
Craig Topper
b90043f29e Use make_unique instead of reset() and 'new'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224107 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:14 +00:00
Craig Topper
0ea6f98f9c Use range-based for loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224106 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:11 +00:00
Craig Topper
3248223b66 Remove unnecessary calls to unique_ptr::get.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224105 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:09 +00:00
Craig Topper
e34c5782a8 Remove an unnecessary reference variable that pointed to a unique_ptr variable. Just use the unique_ptr variable directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224104 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:06 +00:00
Craig Topper
2a4988e8fc Use unique_ptr operator= instead of constructor to make it explicit that there's no conversion occurring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224103 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 07:52:00 +00:00
Ekaterina Romanova
e0b0363e44 A fix for PR21176.
DW_OP_const <const> doesn't describe a constant value, but a value at a constant address. 
The proper way to describe a constant value is DW_OP_constu <const>, DW_OP_stack_value. 
Added DW_OP_stack_value to the stack. 

Marked incorrect-variable-debugloc1.ll to xfail for PowerPC64, while the the failure (PR21881) 
is being investigated. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224098 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 05:11:47 +00:00
Steven Wu
a511846bdf Fix another infinite loop in InstCombine
Summary:
InstCombine infinite-loops for the testcase added
It is because InstCombine is generating instructions that can be
optimized by itself. Fix by not optimizing frem if the optimized
type is the same as original type.
rdar://problem/19150820

Reviewers: majnemer

Differential Revision: http://reviews.llvm.org/D6634

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224097 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 04:34:07 +00:00
Matt Arsenault
002ca4ca3f R600: Fix min/max matching problems with unordered compares
The returned operand needs to be permuted for the unordered
compares. Also fix incorrectly producing fmin_legacy / fmax_legacy
for f64, which don't exist.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224094 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 02:30:37 +00:00
Matt Arsenault
03858c733c R600/SI: fmin/fmax_legacy are not associative
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224093 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 02:30:33 +00:00
Matt Arsenault
3d1ca355c4 R600/SI: Don't promote f32 select to i32
This is nice for the instruction patterns, but it complicates
min / max matching. The select doesn't have the correct type and would
require looking through the bitcasts for the real float operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224092 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 02:30:29 +00:00
Richard Smith
d948b98cba Update the modules build to match r223802.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224091 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 02:25:18 +00:00
Duncan P. N. Exon Smith
b0d1b981e8 Bitcode: Add missing "Remove in 4.0" comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 02:11:31 +00:00
Matthias Braun
e821037df7 Document that PassManager::add() may delete the pass right away.
Also remove redundant documentation:
- doxygen will copy documentation to overriden methods.
- Use \copydoc on PIMPL classes instead of replicating the text.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224089 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 01:27:01 +00:00
Peter Collingbourne
c0100322c8 Tom Stellard is now the code owner for libclc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224088 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 01:11:48 +00:00
Philip Reames
b7dfa31ac8 Comment and minor code cleanup for GCStrategy (NFC)
Updating comments to reflect the current state of the world after my recent changes to ownership structure and generally better describe what a GCStrategy is and how it works.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224086 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 00:49:03 +00:00
Matt Arsenault
6e6318f148 Add target hook for whether it is profitable to reduce load widths
Add an option to disable optimization to shrink truncated larger type
loads to smaller type loads. On SI this prevents using scalar load
instructions in some cases, since there are no scalar extloads.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224084 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-12 00:00:24 +00:00
Sanjay Patel
6f44989d39 remove function names from comments; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224080 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:38:43 +00:00
Matt Arsenault
73460aea4f R600/SI: Handle physical registers in getOpRegClass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224079 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:37:34 +00:00
Matt Arsenault
bdf0ee0d1d R600/SI: Don't verify constant bus usage of flag ops
This was checking if pseudo-operands like the source
modifiers were using the constant bus, which happens to work
because the values these all can be happen to be valid inline
immediates.

This fixes a later commit which starts checking the register class
of the operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224078 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:37:32 +00:00
Duncan P. N. Exon Smith
4bedb48751 Bitcode: Use unsigned char to record MDStrings
`MDString`s can have arbitrary characters in them.  Prevent an assertion
that fired in `BitcodeWriter` because of sign extension by copying the
characters into the record as `unsigned char`s.

Based on a patch by Keno Fischer; fixes PR21882.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224077 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:34:30 +00:00
Sanjay Patel
033d8ea7a9 return without temporary; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224076 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:30:36 +00:00
Matthias Braun
8ac056b9dd Enable MachineVerifier in debug mode for X86, ARM, AArch64, Mips.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224075 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:18:03 +00:00
Ahmed Bougacha
11fcb48306 [X86] Add a temporary testcase for PR21876/r223996.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224074 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 23:07:52 +00:00