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Author SHA1 Message Date
Chad Rosier
f74d82d8e4 Add test case for PR15779, which has previously been fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180058 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 22:30:01 +00:00
Chad Rosier
087c309779 [ms-inline asm] Get the OpDecl and remove a redundant lookup. 
Part of rdar://13663589

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180057 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 22:12:12 +00:00
Chad Rosier
248f4965d2 [ms-inline asm] Add the OpDecl to the InlineAsmIdentifierInfo struct and in turn 
the MCParsedAsmOperand.
Part of rdar://13663589

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180054 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 22:04:25 +00:00
Eli Bendersky
2ad047e04d Optimize MachineBasicBlock::getSymbol by caching the symbol. Since the symbol 
name computation is expensive, this helps save about 25% of the time spent in
this function.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180049 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 21:21:08 +00:00
Reid Kleckner
0af5493701 Add a missing reference on a std::vector<> out param 
Pointed out by Eli.  The test passes for me either way, so I missed
this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180046 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:58:09 +00:00
Anat Shemer
c9090b0723 Changed back (relative to commit 179786) the operations executed when extract(cast) is transformed to cast(extract). It uses the Builder class as before. In addition the result node is added to the Worklist, so all the previous extract users will become the new scalar cast users. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180045 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:51:10 +00:00
Chad Rosier
566542c87b Fix unused variable warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180044 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:42:32 +00:00
Eli Bendersky
8247c5df9c Fix comment that didn't match the method it was above 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180043 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:30:50 +00:00
Reid Kleckner
6641fa7c6c [Support] Propagate the environment into the test child process 
Should fix the dragonegg bootstrap builder, which reasonably needs
LD_LIBRARY_PATH to be set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180041 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:23:41 +00:00
Akira Hatanaka
b109ea8245 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180040 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 20:13:37 +00:00
Akira Hatanaka
d597263b94 [mips] In performDSPShiftCombine, check that all elements in the vector are 
shifted by the same amount and the shift amount is smaller than the element
size.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180039 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 19:58:23 +00:00
Chad Rosier
6804971dcf [ms-inline asm] Remove the identifier parsing logic from the AsmParser. This is 
now taken care of by the frontend, which allows us to parse arbitrary C/C++
variables.
Part of rdar://13663589

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180037 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 19:42:15 +00:00
Reid Kleckner
0b675d8830 [Support] Fix argv string escape bug on Windows 
Summary:
This is http://llvm.org/PR15802.  Backslashes preceding double quotes in
arguments must be escaped.  The interesting bit is that all other
backslashes should *not* be escaped, because the un-escaping logic is
only triggered by the presence of a double quote character.

Reviewers: Bigcheese

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D705

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180035 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 19:03:55 +00:00
Peter Collingbourne
4974b972e7 COFF: Fix weak external aliases. 
Differential Revision: http://llvm-reviews.chandlerc.com/D700

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180034 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 18:48:56 +00:00
Stephen Lin
2fdbbe307d Extra paranoid test for r179925 (verify that tail calls are not generated to 'this'-returning constructors of objects with different 'this' pointers than the caller) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180032 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 17:23:49 +00:00
Eli Bendersky
72590d57bd Document the -filetype option of llc (PR #12902) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180031 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 17:16:35 +00:00
Eli Bendersky
59eb5eeca7 Fix for PR 14965: Better error message for GEP with partially defined contents 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180030 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 17:03:42 +00:00
Chad Rosier
44021515d7 [ms-inline asm] Refactor/clean up the SemaLookup interface. No functional 
change indended.
Part of rdar://13663589

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180028 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 17:01:46 +00:00
Jia Liu
a626be362b Add AArch64 into $llvm_cv_target_arch in configure, reviewed by Tim Northover & Eric Christopher 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180025 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 16:26:15 +00:00
Jia Liu
bbc6514994 typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180023 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 15:40:16 +00:00
Benjamin Kramer
4b233c773f Make doxygen comment match declaration. 
Found by -Wdocumentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180021 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 15:21:03 +00:00
Rafael Espindola
97bf57d488 Also verify llvm.compiler_used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180020 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 15:16:51 +00:00
Rafael Espindola
cde25b435a Clarify that llvm.used can contain aliases. 
Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 14:58:02 +00:00
Eric Christopher
2c55362848 No really, don't store anything to this since it's unconditionally 
set below.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180015 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 14:11:25 +00:00
Eric Christopher
b929b13c77 Remove variable store that is never read. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180014 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 13:51:44 +00:00
Eric Christopher
f38bc31b0d Remove variable store that is never read. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180013 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 13:46:33 +00:00
Stepan Dyatkovskiy
78e3c90419 Fix for 5.5 Parameter Passing --> Stage C: 
-- C.4 and C.5 statements, when NSAA is not equal to SP.
 -- C.1.cp statement for VA functions. Note: There are no VFP CPRCs in a
    variadic procedure.

Before this patch "NSAA != 0" means "don't use GPRs anymore ". But there are
some exceptions in AAPCS.
1. For non VA function: allocate all VFP regs for CPRC. When all VFPs are allocated
   CPRCs would be sent to stack, while non CPRCs may be still allocated in GRPs.
2. Check that for VA functions all params uses GPRs and then stack.
   No exceptions, no CPRCs here.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180011 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 13:06:52 +00:00
Eric Christopher
4f40fa324c Add .ll as a valid test suffix for Object, this allows .ll -> object 
and then dumping as tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180010 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 10:45:06 +00:00
Eric Christopher
8d8ac09bfb Add the same todo about a command iterator interface into the 
other mach-o object file as well.

TODO: One interface to rule them all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180009 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 10:27:32 +00:00
Eric Christopher
4915704f33 Add a TODO about wanting an iterator interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180008 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 10:25:25 +00:00
Nico Rieck
c74142ab15 llvm-readobj: Dump more COFF auxiliary records 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180007 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 08:35:11 +00:00
Nico Rieck
92f5e268c9 llvm-readobj: Check for null section pointer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180006 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 08:34:59 +00:00
Nico Rieck
48831939a8 llvm-readobj: Do not print NULL StringRefs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180005 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 08:34:46 +00:00
Arnaud A. de Grandmaison
d9e70873f3 Cleanup: test source files do not need to be executable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180003 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 08:02:43 +00:00
Eric Christopher
1b0cd2f2a6 Tidy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180000 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 07:51:08 +00:00
Eric Christopher
6c3bb94445 Update comment. Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179999 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 07:47:40 +00:00
David Blaikie
c462db6d66 Revert "Revert "PR14606: debug info imported_module support"" 
This reverts commit r179840 with a fix to test/DebugInfo/two-cus-from-same-file.ll

I'm not sure why that test only failed on ARM & MIPS and not X86 Linux, even
though the debug info was clearly invalid on all of them, but this ought to fix
it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179996 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 06:12:31 +00:00
Craig Topper
80a1caa5cb Convert windows line endings to linux/unix line endings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179995 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 05:38:01 +00:00
Craig Topper
955d1e984c Fix indentation. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179994 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 04:24:02 +00:00
Craig Topper
efa703dace Put 'else' on same line as preceding curly brace per coding standards. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179993 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 04:22:40 +00:00
Craig Topper
007b40ff9f Remove an unreachable 'break' following a 'return'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179991 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 04:06:59 +00:00
Jim Grosbach
0cb1019e9c Legalize vector truncates by parts rather than just splitting. 
Rather than just splitting the input type and hoping for the best, apply
a bit more cleverness. Just splitting the types until the source is
legal often leads to an illegal result time, which is then widened and a
scalarization step is introduced which leads to truly horrible code
generation. With the loop vectorizer, these sorts of operations are much
more common, and so it's worth extra effort to do them well.

Add a legalization hook for the operands of a TRUNCATE node, which will
be encountered after the result type has been legalized, but if the
operand type is still illegal. If simple splitting of both types
ends up with the result type of each half still being legal, just
do that (v16i16 -> v16i8 on ARM, for example). If, however, that would
result in an illegal result type (v8i32 -> v8i8 on ARM, for example),
we can get more clever with power-two vectors. Specifically,
split the input type, but also widen the result element size, then
concatenate the halves and truncate again.  For example on ARM,
To perform a "%res = v8i8 trunc v8i32 %in" we transform to:
  %inlo = v4i32 extract_subvector %in, 0
  %inhi = v4i32 extract_subvector %in, 4
  %lo16 = v4i16 trunc v4i32 %inlo
  %hi16 = v4i16 trunc v4i32 %inhi
  %in16 = v8i16 concat_vectors v4i16 %lo16, v4i16 %hi16
  %res = v8i8 trunc v8i16 %in16

This allows instruction selection to generate three VMOVN instructions
instead of a sequences of moves, stores and loads.

Update the ARMTargetTransformInfo to take this improved legalization
into account.

Consider the simplified IR:

define <16 x i8> @test1(<16 x i32>* %ap) {
  %a = load <16 x i32>* %ap
  %tmp = trunc <16 x i32> %a to <16 x i8>
  ret <16 x i8> %tmp
}

define <8 x i8> @test2(<8 x i32>* %ap) {
  %a = load <8 x i32>* %ap
  %tmp = trunc <8 x i32> %a to <8 x i8>
  ret <8 x i8> %tmp
}

Previously, we would generate the truly hideous:
	.syntax unified
	.section	__TEXT,__text,regular,pure_instructions
	.globl	_test1
	.align	2
_test1:                                 @ @test1
@ BB#0:
	push	{r7}
	mov	r7, sp
	sub	sp, sp, #20
	bic	sp, sp, #7
	add	r1, r0, #48
	add	r2, r0, #32
	vld1.64	{d24, d25}, [r0:128]
	vld1.64	{d16, d17}, [r1:128]
	vld1.64	{d18, d19}, [r2:128]
	add	r1, r0, #16
	vmovn.i32	d22, q8
	vld1.64	{d16, d17}, [r1:128]
	vmovn.i32	d20, q9
	vmovn.i32	d18, q12
	vmov.u16	r0, d22[3]
	strb	r0, [sp, #15]
	vmov.u16	r0, d22[2]
	strb	r0, [sp, #14]
	vmov.u16	r0, d22[1]
	strb	r0, [sp, #13]
	vmov.u16	r0, d22[0]
	vmovn.i32	d16, q8
	strb	r0, [sp, #12]
	vmov.u16	r0, d20[3]
	strb	r0, [sp, #11]
	vmov.u16	r0, d20[2]
	strb	r0, [sp, #10]
	vmov.u16	r0, d20[1]
	strb	r0, [sp, #9]
	vmov.u16	r0, d20[0]
	strb	r0, [sp, #8]
	vmov.u16	r0, d18[3]
	strb	r0, [sp, #3]
	vmov.u16	r0, d18[2]
	strb	r0, [sp, #2]
	vmov.u16	r0, d18[1]
	strb	r0, [sp, #1]
	vmov.u16	r0, d18[0]
	strb	r0, [sp]
	vmov.u16	r0, d16[3]
	strb	r0, [sp, #7]
	vmov.u16	r0, d16[2]
	strb	r0, [sp, #6]
	vmov.u16	r0, d16[1]
	strb	r0, [sp, #5]
	vmov.u16	r0, d16[0]
	strb	r0, [sp, #4]
	vldmia	sp, {d16, d17}
	vmov	r0, r1, d16
	vmov	r2, r3, d17
	mov	sp, r7
	pop	{r7}
	bx	lr

	.globl	_test2
	.align	2
_test2:                                 @ @test2
@ BB#0:
	push	{r7}
	mov	r7, sp
	sub	sp, sp, #12
	bic	sp, sp, #7
	vld1.64	{d16, d17}, [r0:128]
	add	r0, r0, #16
	vld1.64	{d20, d21}, [r0:128]
	vmovn.i32	d18, q8
	vmov.u16	r0, d18[3]
	vmovn.i32	d16, q10
	strb	r0, [sp, #3]
	vmov.u16	r0, d18[2]
	strb	r0, [sp, #2]
	vmov.u16	r0, d18[1]
	strb	r0, [sp, #1]
	vmov.u16	r0, d18[0]
	strb	r0, [sp]
	vmov.u16	r0, d16[3]
	strb	r0, [sp, #7]
	vmov.u16	r0, d16[2]
	strb	r0, [sp, #6]
	vmov.u16	r0, d16[1]
	strb	r0, [sp, #5]
	vmov.u16	r0, d16[0]
	strb	r0, [sp, #4]
	ldm	sp, {r0, r1}
	mov	sp, r7
	pop	{r7}
	bx	lr

Now, however, we generate the much more straightforward:
	.syntax unified
	.section	__TEXT,__text,regular,pure_instructions
	.globl	_test1
	.align	2
_test1:                                 @ @test1
@ BB#0:
	add	r1, r0, #48
	add	r2, r0, #32
	vld1.64	{d20, d21}, [r0:128]
	vld1.64	{d16, d17}, [r1:128]
	add	r1, r0, #16
	vld1.64	{d18, d19}, [r2:128]
	vld1.64	{d22, d23}, [r1:128]
	vmovn.i32	d17, q8
	vmovn.i32	d16, q9
	vmovn.i32	d18, q10
	vmovn.i32	d19, q11
	vmovn.i16	d17, q8
	vmovn.i16	d16, q9
	vmov	r0, r1, d16
	vmov	r2, r3, d17
	bx	lr

	.globl	_test2
	.align	2
_test2:                                 @ @test2
@ BB#0:
	vld1.64	{d16, d17}, [r0:128]
	add	r0, r0, #16
	vld1.64	{d18, d19}, [r0:128]
	vmovn.i32	d16, q8
	vmovn.i32	d17, q9
	vmovn.i16	d16, q8
	vmov	r0, r1, d16
	bx	lr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179989 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 23:47:41 +00:00
Jim Grosbach
5eabdf2601 ARM: Split out cost model vcvt testcases. 
They had a separate RUN line already, so may as well be in a separate file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179988 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 23:47:37 +00:00
Jakob Stoklund Olesen
ddb14ce76c Passing arguments to varags functions under the SPARC v9 ABI. 
Arguments after the fixed arguments never use the floating point
registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179987 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 21:36:49 +00:00
Jim Grosbach
1e48093df8 Tidy up comment grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179986 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 21:23:01 +00:00
Jakob Stoklund Olesen
2c6b5a8d33 Fix the SETHIimm pattern for 64-bit code. 
Don't ignore the high 32 bits of the immediate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179985 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 21:18:03 +00:00
Stephen Lin
94a720c73e Remove unused, undefined ArgFlagsTy::getArgFlagsString; add a comment about 'returned' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179983 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 18:05:20 +00:00
Benjamin Kramer
d81a0dee5b SROA: Don't crash on a select with two identical operands. 
This is an edge case that can happen if we modify a chain of multiple selects.
Update all operands in that case and remove the assert. PR15805.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179982 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 17:48:39 +00:00
Arnold Schwaighofer
54d9a3e2df Revert "SimplifyCFG: If convert single conditional stores" 
There is the temptation to make this tranform dependent on target information as
it is not going to be beneficial on all (sub)targets. Therefore, we should
probably do this in MI Early-Ifconversion.

This reverts commit r179957. Original commit message:

"SimplifyCFG: If convert single conditional stores

This transformation will transform a conditional store with a preceeding
uncondtional store to the same location:

a[i] =
may-alias with a[i] load
if (cond)
    a[i] = Y
into an unconditional store.

a[i] = X
may-alias with a[i] load
tmp = cond ? Y : X;
a[i] = tmp

We assume that on average the cost of a mispredicted branch is going to be
higher than the cost of a second store to the same location, and that the
secondary benefits of creating a bigger basic block for other optimizations to
work on outway the potential case were the branch would be correctly predicted
and the cost of the executing the second store would be noticably reflected in
performance.

hmmer's execution time improves by 30% on an imac12,2 on ref data sets. With
this change we are on par with gcc's performance (gcc also performs this
transformation). There was a 1.2 % performance improvement on a ARM swift chip.
Other tests in the test-suite+external seem to be mostly uninfluenced in my
experiments:
This optimization was triggered on 41 tests such that the executable was
different before/after the patch. Only 1 out of the 40 tests (dealII) was
reproducable below 100% (by about .4%). Given that hmmer benefits so much I
believe this to be a fair trade off.

I am going to watch performance numbers across the builtbots and will revert
this if anything unexpected comes up."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179980 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 13:09:04 +00:00
Tim Northover
c3a93013bc ARM: fix part of test which actually needed an asserts build 
This should fix a buildbot failure that occurred after r179977.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179978 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 12:20:19 +00:00