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Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
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Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
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Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
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Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
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Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
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Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
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build"
* commit 'b7485134a2cbecc47904988b4cfde24019ac4fa1':
llvm: convert makefiles to support multilib build
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Convert makefiles to allow for building two architectures at the
same time. This will also cause make checkbuild to build the target
libraries for all supported architectures.
Change-Id: Ia5e6fe5b1186a67753faafd3532ed4cb280a8b10
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Conflicts:
lib/Linker/LinkModules.cpp
lib/Support/Unix/Signals.inc
Change-Id: Ia54f291fa5dc828052d2412736e8495c1282aa64
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------------------------------------------------------------------------
r197492 | dyatkovskiy | 2013-12-17 04:07:33 -0800 (Tue, 17 Dec 2013) | 26 lines
Fix for PR18045:
http://llvm.org/bugs/show_bug.cgi?id=18045
Short issue description:
For X86 machines with sse < sse4.1 we got failures for some
particular load/store vector sequences:
$ clang-trunk -m32 -O2 test-case.c
fatal error: error in backend: Cannot select: 0x4200920: v4i32,ch = load 0x41d6ab0, 0x4205850,
0x41dcb10<LD16[getelementptr inbounds ([4 x i32]* @e, i32 0, i32 0)](align=4)> [ORD=82]
[ID=58]
0x4205850: i32 = X86ISD::Wrapper 0x41d5490 [ORD=26] [ID=43]
0x41d5490: i32 = TargetGlobalAddress<[4 x i32]* @e> 0 [ORD=26] [ID=23]
0x41dcb10: i32 = undef [ID=2]
The reason is that EltsFromConsecutiveLoads could emit such load instruction
both before and after legalize stage. Though this instruction is not legal for
machines with SSSE3 and lower.
The fix: In EltsFromConsecutiveLoads, if we have passed legalize stage, we
check whether nodes it emits are legal.
P.S.: If you get failure in time from 12:00 and till 22:00 (UTC-8),
perhaps I'll slow with response, so you better reject this commit. Thanks!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197779 91177308-0d34-0410-b5e6-96231b3b80d8
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r197228 | d0k | 2013-12-13 05:40:24 -0800 (Fri, 13 Dec 2013) | 8 lines
X86: When lowering shl_parts, don't emit shift amounts larger than the bit width.
While it's safe for the X86-specific shift nodes, dag combining will
kill generic nodes. Insert an AND to make it safe, isel will nuke it
as x86's shift instructions have an implicit AND.
Fixes PR16108, which contains a contraption to hit this case in between
constant folders.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197321 91177308-0d34-0410-b5e6-96231b3b80d8
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r196391 | hliao | 2013-12-04 09:44:22 -0800 (Wed, 04 Dec 2013) | 5 lines
[X86] Check YMM31/ZMM31 as well
- No test case as there's no calling convention preserve YMM31/ZMM31 only
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196653 91177308-0d34-0410-b5e6-96231b3b80d8
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------------------------------------------------------------------------
r196261 | hliao | 2013-12-03 01:17:32 -0800 (Tue, 03 Dec 2013) | 13 lines
Enhance the fix of PR17631
- The fix to PR17631 fixes part of the cases where 'vzeroupper' should
not be issued before 'call' insn. There're other cases where helper
calls will be inserted not limited to epilog. These helper calls do
not follow the standard calling convention and won't clobber any YMM
registers. (So far, all call conventions will clobber any or part of
YMM registers.)
This patch enhances the previous fix to cover more cases 'vzerosupper' should
not be inserted by checking if that function call won't clobber any YMM
registers and skipping it if so.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196652 91177308-0d34-0410-b5e6-96231b3b80d8
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r196044 | d0k | 2013-12-01 03:47:42 -0800 (Sun, 01 Dec 2013) | 6 lines
Revamp error checking in the ms inline asm parser.
- Actually abort when an error occurred.
- Check that the frontend lookup worked when parsing length/size/type operators.
Tested by a clang test. PR18096.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196070 91177308-0d34-0410-b5e6-96231b3b80d8
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r195779 | hliao | 2013-11-26 12:31:31 -0800 (Tue, 26 Nov 2013) | 7 lines
Fix PR18054
- Fix bug in (vsext (vzext x)) -> (vsext x) in SIGN_EXTEND_IN_REG
lowering where we need to check whether x is a vector type (in-reg
type) of i8, i16 or i32; otherwise, that optimization is not valid.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195821 91177308-0d34-0410-b5e6-96231b3b80d8
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r195684 | rafael | 2013-11-25 12:50:03 -0800 (Mon, 25 Nov 2013) | 3 lines
Do the string comparison in the constructor instead of once per nop.
Thanks to Roman Divacky for the suggestion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195746 91177308-0d34-0410-b5e6-96231b3b80d8
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r195632 | tnorthover | 2013-11-25 01:52:59 -0800 (Mon, 25 Nov 2013) | 3 lines
X86: enable AVX2 under Haswell native compilation
Patch by Adam Strzelecki
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195737 91177308-0d34-0410-b5e6-96231b3b80d8
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r195679 | rafael | 2013-11-25 12:15:14 -0800 (Mon, 25 Nov 2013) | 12 lines
Don't use nopl in cpus that don't support it.
Patch by Mikulas Patocka. I added the test. I checked that for cpu names that
gas knows about, it also doesn't generate nopl.
The modified cpus:
i686 - there are i686-class CPUs that don't have nopl: Via c3, Transmeta
Crusoe, Microsoft VirtualBox - see
https://bbs.archlinux.org/viewtopic.php?pid=775414
k6, k6-2, k6-3, winchip-c6, winchip2 - these are 586-class CPUs
via c3 c3-2 - see https://bugs.archlinux.org/task/19733 as a proof that
Via c3 and c3-Nehemiah don't have nopl
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195730 91177308-0d34-0410-b5e6-96231b3b80d8
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r195476 | hliao | 2013-11-22 09:56:57 -0800 (Fri, 22 Nov 2013) | 6 lines
Fix PR18014
- When simplifying the mask generation for BLEND, check whether that mask is
also consumed by other non-BLEND insns. If true, skip that simplification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195602 91177308-0d34-0410-b5e6-96231b3b80d8
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r195439 | kcc | 2013-11-22 02:30:39 -0800 (Fri, 22 Nov 2013) | 3 lines
Revert r195318 as it causes miscompilation (PR18029)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195478 91177308-0d34-0410-b5e6-96231b3b80d8
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r195318 | void | 2013-11-20 23:04:30 -0800 (Wed, 20 Nov 2013) | 29 lines
The basic problem is that some mainstream programs cannot deal with the way
clang optimizes tail calls, as in this example:
int foo(void);
int bar(void) {
return foo();
}
where the call is transformed to:
calll .L0$pb
.L0$pb:
popl %eax
.Ltmp0:
addl $_GLOBAL_OFFSET_TABLE_+(.Ltmp0-.L0$pb), %eax
movl foo@GOT(%eax), %eax
popl %ebp
jmpl *%eax # TAILCALL
However, the GOT references must all be resolved at dlopen() time, and so this
approach cannot be used with lazy dynamic linking (e.g. using RTLD_LAZY), which
usually populates the PLT with stubs that perform the actual resolving.
This patch changes X86TargetLowering::LowerCall() to skip tail call
optimization, if the called function is a global or external symbol.
Patch by Dimitry Andric!
PR15086
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195319 91177308-0d34-0410-b5e6-96231b3b80d8
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r195129 | mcinally | 2013-11-19 06:36:00 -0800 (Tue, 19 Nov 2013) | 2 lines
Fix assembly operands for the SSE2 cvtsd2ss instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195218 91177308-0d34-0410-b5e6-96231b3b80d8
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r195094 | atrick | 2013-11-18 19:29:59 -0800 (Mon, 18 Nov 2013) | 3 lines
Use symbolic operands in the patchpoint folding routine and fix a spilling bug.
Fixes <rdar://15487687> [JS] AnyRegCC argument ends up being spilled
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195113 91177308-0d34-0410-b5e6-96231b3b80d8
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r195093 | atrick | 2013-11-18 19:29:56 -0800 (Mon, 18 Nov 2013) | 4 lines
Add an abstraction to handle patchpoint operands.
Hard-coded operand indices were scattered throughout lowering stages
and layers. It was super bug prone.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195112 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.
Differential Revision: http://llvm-reviews.chandlerc.com/D2068
Reviewed by Andy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r190888, to fix PR17967. The original change wasn't
the right way to get @feat.00 into the object file. The right fix is to
make @feat.00 be a global symbol.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195053 91177308-0d34-0410-b5e6-96231b3b80d8
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This change is incorrect. If you delete virtual destructor of both a base class
and a subclass, then the following code:
Base *foo = new Child();
delete foo;
will not cause the destructor for members of Child class. As a result, I observe
plently of memory leaks. Notable examples I investigated are:
ObjectBuffer and ObjectBufferStream, AttributeImpl and StringSAttributeImpl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194997 91177308-0d34-0410-b5e6-96231b3b80d8
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Implementing this on bigendian platforms could get strange. I added a
target hook, getStackSlotRange, per Jakob's recommendation to make
this as explicit as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194942 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194936 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194906 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194882 91177308-0d34-0410-b5e6-96231b3b80d8
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until we know that folding will be successful.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194880 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file.
Differential Revision: http://llvm-reviews.chandlerc.com/D2068
Reviewed by Andy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194865 91177308-0d34-0410-b5e6-96231b3b80d8
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Stop folding constant adds into GEP when the type size doesn't match.
Otherwise, the adds' operands are effectively being promoted, changing the
conditions of an overflow. Results are different when:
sext(a) + sext(b) != sext(a + b)
Problem originally found on x86-64, but also fixed issues with ARM and PPC,
which used similar code.
<rdar://problem/15292280>
Patch by Duncan Exon Smith!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194840 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194824 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by Michele Scandale!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194760 91177308-0d34-0410-b5e6-96231b3b80d8
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Added VMOSHDUP/VMOVSLDUP shuffle instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194691 91177308-0d34-0410-b5e6-96231b3b80d8
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If a null call target is provided, don't emit a dummy call. This
allows the runtime to reserve as little nop space as it needs without
the requirement of emitting a call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194676 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch reapplies r193676 with an additional fix for the Hexagon backend. The
SystemZ backend has already been fixed by r194148.
The Type Legalizer recognizes that VSELECT needs to be split, because the type
is to wide for the given target. The same does not always apply to SETCC,
because less space is required to encode the result of a comparison. As a result
VSELECT is split and SETCC is unrolled into scalar comparisons.
This commit fixes the issue by checking for VSELECT-SETCC patterns in the DAG
Combiner. If a matching pattern is found, then the result mask of SETCC is
promoted to the expected vector mask type for the given target. Now the type
legalizer will split both VSELECT and SETCC.
This allows the following X86 DAG Combine code to sucessfully detect the MIN/MAX
pattern. This fixes PR16695, PR17002, and <rdar://problem/14594431>.
Reviewed by Nadav
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194542 91177308-0d34-0410-b5e6-96231b3b80d8
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I still don't know how to refer to the fixed operands symbolically. I
plan to look into it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194529 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194515 91177308-0d34-0410-b5e6-96231b3b80d8
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We already know how to fold a reload from a frameindex without
analyzing the load instruction. Generalize this to handle any
frameindex load. This streamlines the logic for rematerializing loads
from stack arguments. As a side effect, it allows stackmaps to record
a stack argument location without spilling it.
Verified no effect on codegen for llvm test-suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194497 91177308-0d34-0410-b5e6-96231b3b80d8
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X86AsmPrinter::EmitInstruction, rather than X86MCInstLower::Lower.
The aim is to improve the reusability of the X86MCInstLower class by making it
more function-like. The X86::MORESTACK_RET_RESTORE_R10 pseudo broke the
function model by emitting an extra instruction to the MCStreamer attached to
the AsmPrinter.
The patch should have no impact on generated code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194431 91177308-0d34-0410-b5e6-96231b3b80d8
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Fixes <rdar://15432754> [JS] Assertion: "Folded a def to a non-store!"
The primary purpose of anyregcc is to prevent a patchpoint's call
arguments and return value from being spilled. They must be available
in a register, although the calling convention does not pin the
register. It's up to the front end to avoid using this convention for
calls with more arguments than allocatable registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194428 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch moves the jump address materialization inside the noop slide. This
enables patching of the materialization itself or its complete removal. This
patch also adds the ability to define scratch registers that can be used safely
by the code called from the patchpoint intrinsic. At least one scratch register
is required, because that one is used for the materialization of the jump
address. This patch depends on D2009.
Differential Revision: http://llvm-reviews.chandlerc.com/D2074
Reviewed by Andy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194306 91177308-0d34-0410-b5e6-96231b3b80d8
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The idea of the AnyReg Calling Convention is to provide the call arguments in
registers, but not to force them to be placed in a paticular order into a
specified set of registers. Instead it is up tp the register allocator to assign
any register as it sees fit. The same applies to the return value (if
applicable).
Differential Revision: http://llvm-reviews.chandlerc.com/D2009
Reviewed by Andy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194293 91177308-0d34-0410-b5e6-96231b3b80d8
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On darwin, when trying to create compact unwind info, a .cfi_cfa_def
directive would case an llvm_unreachable() to be hit. Back off when we
see this directive and generate the regular DWARF style eh_frame.
rdar://15406518
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194285 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194062 91177308-0d34-0410-b5e6-96231b3b80d8
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instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194048 91177308-0d34-0410-b5e6-96231b3b80d8
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those produced by clang for the inline asm bswap conversion.
Modified from a patch by Chris Smowton.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194016 91177308-0d34-0410-b5e6-96231b3b80d8
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