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Author SHA1 Message Date
Bill Wendling
ee70d3b27f The output of opt -stats must be sent to stderr. Patch by NAKAMURA Takumi! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112724 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 18:32:56 +00:00
Chris Lattner
5bcb8a6112 temporarily revert r112664, it is causing a decoding conflict, and 
the testcases should be merged.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 16:00:50 +00:00
Michael J. Spencer
2ad12a0e2a COFF: Update tests to reflect changes in last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112704 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:15:31 +00:00
Dale Johannesen
64a4e9a94c Attempt to fix buildbot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:19:06 +00:00
Chris Lattner
91abace4ef add a gross hack to work around a problem that Argiris reported 
on llvmdev: SRoA is introducing MMX datatypes like <1 x i64>,
which then cause random problems because the X86 backend is
producing mmx stuff without inserting proper emms calls.

In the short term, force off MMX datatypes.  In the long term,
the X86 backend should not select generic vector types to MMX
registers.  This is being worked on, but won't be done in time
for 2.8.  rdar://8380055


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112696 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:14:33 +00:00
Chris Lattner
54d24025d6 filecheckize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:10:14 +00:00
Dan Gohman
191bd64a39 Revert 112442 and 112440 until the compile time problems introduced 
by 112440 are resolved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 01:45:53 +00:00
Dale Johannesen
a6d050df14 Testcase for llvm checkin 112674. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:43:55 +00:00
Chris Lattner
2ac6e2354a licm is wasting time hoisting constant foldable operations, 
instead of hoisting them, just fold them away.  This occurs in the
testcase for PR8041, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112669 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:00:16 +00:00
Bill Wendling
43a6c5e2fc We have a chance for an optimization. Consider this code: 
int x(int t) {
  if (t & 256)
    return -26;
  return 0;
}

We generate this:

     tst.w   r0, #256
     mvn     r0, #25
     it      eq
     moveq   r0, #0

while gcc generates this:

     ands    r0, r0, #256
     it      ne
     mvnne   r0, #25
     bx      lr

Scandalous really!

During ISel time, we can look for this particular pattern. One where we have a
"MOVCC" that uses the flag off of a CMPZ that itself is comparing an AND
instruction to 0. Something like this (greatly simplified):

  %r0 = ISD::AND ...
  ARMISD::CMPZ %r0, 0         @ sets [CPSR]
  %r0 = ARMISD::MOVCC 0, -26  @ reads [CPSR]

All we have to do is convert the "ISD::AND" into an "ARM::ANDS" that sets [CPSR]
when it's zero. The zero value will all ready be in the %r0 register and we only
need to change it if the AND wasn't zero. Easy!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:41:22 +00:00
Devang Patel
0b48eade42 Reapply r112623. Included additional check for unused byval argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:22:42 +00:00
Owen Anderson
e1aa33f2a2 Merge 2010-08-31-InfiniteRecursion.ll into crash.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112635 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 20:27:17 +00:00
Devang Patel
81b79b5fa8 Revert r112623. It is causing self host build failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 19:41:03 +00:00
Devang Patel
8480c2e314 Remember byval argument's frame index during argument lowering and use this info to emit debug info. 
Fixes Radar 8367011.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 18:50:09 +00:00
Owen Anderson
b95df124b2 Add a test for the duplicated-conditional situation illutrated by PR5652. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 18:49:12 +00:00
Chris Lattner
0676984117 merge two tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112617 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 18:44:03 +00:00
Owen Anderson
047f4f5c91 Manually reduce this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 18:16:29 +00:00
Chris Lattner
f88776c363 merge two tests and convert to filecheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 18:05:08 +00:00
Owen Anderson
421cc4c999 Add a micro-test for the transforms I added to JumpThreading. 
I have not been able to find a way to test each in isolation, for a few reasons:
1) The ability to look-through non-i1 BinaryOperator's requires the ability to look through non-constant
   ICmps in order for it to ever trigger.
2) The ability to do LVI-powered PHI value determination only matters in cases that ProcessBranchOnPHI
   can't handle.  Since it already handles all the cases without other instructions in the def-use chain
   between the PHI and the branch, it requires the ability to look through ICmps and/or BinaryOperators
   as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 17:59:07 +00:00
Jim Grosbach
85e75afc8e Update test for 112609 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 17:58:47 +00:00
Owen Anderson
8320006473 Rename test directory to reflect new pass name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 07:50:31 +00:00
Owen Anderson
25e9405272 Rename ValuePropagation to a more descriptive CorrelatedValuePropagation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 07:48:34 +00:00
Owen Anderson
cb21190cbd More Chris-inspired JumpThreading fixes: use ConstantExpr to correctly constant-fold undef, and be more careful with its return value. 
This actually exposed an infinite recursion bug in ComputeValueKnownInPredecessors which theoretically already existed (in JumpThreading's
handling of and/or of i1's), but never manifested before.  This patch adds a tracking set to prevent this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112589 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 07:36:34 +00:00
Owen Anderson
c97fb52799 Remove r111665, which implemented store-narrowing in InstCombine. Chris discovered a miscompilation in it, and it's not easily 
fixable at the optimizer level. I'll investigate reimplementing it in DAGCombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 04:41:06 +00:00
Anton Korobeynikov
5c1919e55d Fix borken test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 23:41:49 +00:00
Owen Anderson
985185ea75 Combine these two tests, and make sure there's a newline at the end of the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112554 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 23:37:41 +00:00
Bob Wilson
973a074345 Remove NEON vmovn intrinsic, replacing it with vector truncate operations. 
Auto-upgrade the old intrinsic and update tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112507 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 20:02:30 +00:00
Chris Lattner
1875ce4ad9 two changes: 
1) nuke ConstDataCoalSection, which is dead.
2) revise my previous patch for rdar://8018335,
  which was completely wrong.  Specifically, it doesn't 
  make sense to mark __TEXT,__const_coal as PURE_INSTRUCTIONS,
  because it is for readonly data.  templates (it turns out)
  go to const_coal_nt.  The real fix for rdar://8018335 was
  to give ConstTextCoalSection a section kind of ReadOnly 
  instead of Text.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112496 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 18:12:35 +00:00
Michael J. Spencer
7b8167484c Partially revert r112480. Caused test failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112486 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 15:34:08 +00:00
NAKAMURA Takumi
8794dd794e coff-dump.py: Fix PR7996. Now it is compatible to Python-2.4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112485 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 15:19:56 +00:00
Michael J. Spencer
17d3983730 Fix constant-over-index.ll test on windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 15:08:02 +00:00
Michael J. Spencer
06b7f58522 Test: Fix LLVMC tests on CMake. 
The CMake build didn't define TEST_COMPILE_CXX_CMD. The tests assumed gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 14:49:00 +00:00
Duncan Sands
cdd4f8c7cb Correct bogus module triple specifications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112469 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 10:48:29 +00:00
Chris Lattner
0de5cad74d LICM does get dead instructions input to it. Instead of sinking them 
out of loops, just delete them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112451 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 18:22:25 +00:00
Dan Gohman
eaa40ff74e Make IVUsers iterative instead of recursive. 
This has the side effect of reversing the order of most of
IVUser's results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112442 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 16:40:03 +00:00
Dan Gohman
2b5258c5f9 Make this test less dependent on register allocation choices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112426 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 14:49:42 +00:00
Dan Gohman
05841638a7 Use exec. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112425 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 14:49:00 +00:00
Kalle Raiskila
bd887df8b9 Fix lowering of INSERT_VECTOR_ELT in SPU. 
The IDX was treated as byte index, not element index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112422 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 12:41:50 +00:00
Bob Wilson
04d6c289ab Remove NEON vaddl, vaddw, vsubl, and vsubw intrinsics. Instead, use llvm 
IR add/sub operations with one or both operands sign- or zero-extended.
Auto-upgrade the old intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 05:57:34 +00:00
Chris Lattner
82457d08f9 merge a bunch of shuffle tests into sse2.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 03:19:04 +00:00
Chris Lattner
c19b9477c9 add some nounwind's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 03:07:47 +00:00
Chris Lattner
a5729aae5d fixme accomplished 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112386 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 20:40:28 +00:00
Chris Lattner
24faf611a3 fix the buildvector->insertp[sd] logic to not always create a redundant 
insertp[sd] $0, which is a noop.  Before:

_f32:                                   ## @f32
	pshufd	$1, %xmm1, %xmm2
	pshufd	$1, %xmm0, %xmm3
	addss	%xmm2, %xmm3
	addss	%xmm1, %xmm0
                                        ## kill: XMM0<def> XMM0<kill> XMM0<def>
	insertps	$0, %xmm0, %xmm0
	insertps	$16, %xmm3, %xmm0
	ret

after:

_f32:                                   ## @f32
	movdqa	%xmm0, %xmm2
	addss	%xmm1, %xmm2
	pshufd	$1, %xmm1, %xmm1
	pshufd	$1, %xmm0, %xmm3
	addss	%xmm1, %xmm3
	movdqa	%xmm2, %xmm0
	insertps	$16, %xmm3, %xmm0
	ret

The extra movs are due to a random (poor) scheduling decision.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112379 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 17:59:08 +00:00
Chris Lattner
3ddcc43040 fix the BuildVector -> unpcklps logic to not do pointless shuffles 
when the top elements of a vector are undefined.  This happens all
the time for X86-64 ABI stuff because only the low 2 elements of
a 4 element vector are defined.  For example, on:

_Complex float f32(_Complex float A, _Complex float B) {
  return A+B;
}

We used to produce (with SSE2, SSE4.1+ uses insertps):

_f32:                                   ## @f32
	movdqa	%xmm0, %xmm2
	addss	%xmm1, %xmm2
	pshufd	$16, %xmm2, %xmm2
	pshufd	$1, %xmm1, %xmm1
	pshufd	$1, %xmm0, %xmm0
	addss	%xmm1, %xmm0
	pshufd	$16, %xmm0, %xmm1
	movdqa	%xmm2, %xmm0
	unpcklps	%xmm1, %xmm0
	ret

We now produce:

_f32:                                   ## @f32
	movdqa	%xmm0, %xmm2
	addss	%xmm1, %xmm2
	pshufd	$1, %xmm1, %xmm1
	pshufd	$1, %xmm0, %xmm3
	addss	%xmm1, %xmm3
	movaps	%xmm2, %xmm0
	unpcklps	%xmm3, %xmm0
	ret

This implements rdar://8368414


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 17:28:30 +00:00
Benjamin Kramer
9df0a0a871 Update ocaml test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 10:29:41 +00:00
Chris Lattner
61c70e98ac remove unions from LLVM IR. They are severely buggy and not 
being actively maintained, improved, or extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112356 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 04:09:24 +00:00
Chris Lattner
5f88af5376 remove the ABCD and SSI passes. They don't have any clients that 
I'm aware of, aren't maintained, and LVI will be replacing their value.
nlewycky approved this on irc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112355 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 03:51:24 +00:00
Chris Lattner
7900779543 handle the constant case of vector insertion. For something 
like this:

struct S { float A, B, C, D; };

struct S g;
struct S bar() { 
  struct S A = g;
  ++A.B;
  A.A = 42;
  return A;
}

we now generate:

_bar:                                   ## @bar
## BB#0:                                ## %entry
	movq	_g@GOTPCREL(%rip), %rax
	movss	12(%rax), %xmm0
	pshufd	$16, %xmm0, %xmm0
	movss	4(%rax), %xmm2
	movss	8(%rax), %xmm1
	pshufd	$16, %xmm1, %xmm1
	unpcklps	%xmm0, %xmm1
	addss	LCPI1_0(%rip), %xmm2
	pshufd	$16, %xmm2, %xmm2
	movss	LCPI1_1(%rip), %xmm0
	pshufd	$16, %xmm0, %xmm0
	unpcklps	%xmm2, %xmm0
	ret

instead of:

_bar:                                   ## @bar
## BB#0:                                ## %entry
	movq	_g@GOTPCREL(%rip), %rax
	movss	12(%rax), %xmm0
	pshufd	$16, %xmm0, %xmm0
	movss	4(%rax), %xmm2
	movss	8(%rax), %xmm1
	pshufd	$16, %xmm1, %xmm1
	unpcklps	%xmm0, %xmm1
	addss	LCPI1_0(%rip), %xmm2
	movd	%xmm2, %eax
	shlq	$32, %rax
	addq	$1109917696, %rax       ## imm = 0x42280000
	movd	%rax, %xmm0
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 01:50:57 +00:00
Chris Lattner
3dd08734c1 optimize bitcasts from large integers to vector into vector 
element insertion from the pieces that feed into the vector.
This handles a pattern that occurs frequently due to code
generated for the x86-64 abi.  We now compile something like
this:

struct S { float A, B, C, D; };
struct S g;
struct S bar() { 
  struct S A = g;
  ++A.A;
  ++A.C;
  return A;
}

into all nice vector operations:

_bar:                                   ## @bar
## BB#0:                                ## %entry
	movq	_g@GOTPCREL(%rip), %rax
	movss	LCPI1_0(%rip), %xmm1
	movss	(%rax), %xmm0
	addss	%xmm1, %xmm0
	pshufd	$16, %xmm0, %xmm0
	movss	4(%rax), %xmm2
	movss	12(%rax), %xmm3
	pshufd	$16, %xmm2, %xmm2
	unpcklps	%xmm2, %xmm0
	addss	8(%rax), %xmm1
	pshufd	$16, %xmm1, %xmm1
	pshufd	$16, %xmm3, %xmm2
	unpcklps	%xmm2, %xmm1
	ret

instead of icky integer operations:

_bar:                                   ## @bar
	movq	_g@GOTPCREL(%rip), %rax
	movss	LCPI1_0(%rip), %xmm1
	movss	(%rax), %xmm0
	addss	%xmm1, %xmm0
	movd	%xmm0, %ecx
	movl	4(%rax), %edx
	movl	12(%rax), %esi
	shlq	$32, %rdx
	addq	%rcx, %rdx
	movd	%rdx, %xmm0
	addss	8(%rax), %xmm1
	movd	%xmm1, %eax
	shlq	$32, %rsi
	addq	%rax, %rsi
	movd	%rsi, %xmm1
	ret

This resolves rdar://8360454



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 01:20:38 +00:00
Dan Gohman
badcda4afa Completely disable tail calls when fast-isel is enabled, as fast-isel 
doesn't currently support dealing with this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112341 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 00:51:03 +00:00