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3908 Commits

Author SHA1 Message Date
Evan Cheng
370aac4a28 Add test for post-ra machine licm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 22:10:03 +00:00
Bob Wilson
6a234f07fa Handle a v2f64 formal parameter that is split between registers and memory 
such that the entire second half is in memory.  Radar 7855014.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 22:03:22 +00:00
Evan Cheng
005de5ef33 Fix test on non-x86 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101163 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 18:54:04 +00:00
Evan Cheng
fc5a03e469 Re-apply 101075 and fix it properly. Just reuse the debug info of the branch instruction being optimized. There is no need to --I which can deref off start of the BB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101162 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 18:50:27 +00:00
Eric Christopher
97e6992e3e Temporarily revert r101075, it's causing invalid iterator assertions 
in a nightly tester.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 18:37:58 +00:00
Chris Lattner
43ac721e3b add llvm codegen support for -ffunction-sections and -fdata-sections, 
patch by Sylvere Teissier!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 00:36:43 +00:00
Evan Cheng
82865a10f8 Use .set expression for x86 pic jump table reference to reduce assembly relocation. rdar://7738756 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101085 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 23:07:17 +00:00
Bill Wendling
8cc21cac89 Third time's a charm... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101081 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 22:43:21 +00:00
Bill Wendling
476e62c459 Genericize the label test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101079 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 22:40:37 +00:00
Bill Wendling
35fe23157f Correct test to test what I mean it to test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101077 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 22:25:42 +00:00
Bill Wendling
2aae6ae572 Micro-optimization: 
If we have this situation:

    jCC  L1
    jmp  L2
L1:
  ...
L2:
  ...

We can get a small performance boost by emitting this instead:

    jnCC L2
L1:
  ...
L2:
  ...

This testcase shows an example of this:

float func(float x, float y) {
    double product = (double)x * y;
    if (product == 0.0)
        return product;
    return product - 1.0;
}



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101075 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 22:19:57 +00:00
Evan Cheng
09010a30fd Enable post regalloc machine licm by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101023 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 06:25:28 +00:00
Benjamin Kramer
232c8b4d26 Make sure this test tests something. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100879 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 19:03:31 +00:00
Bob Wilson
f5c3f8cda5 Add a testcase for svn r100568. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 18:29:29 +00:00
Chris Lattner
dc8446330f "On SPU, variables in the .bss section that are allocated with the .lcomm directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment. 
this patch disables .lcomm in favour of '.local .comm'

Patch by Kalle Raisklia!




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 18:27:03 +00:00
Dan Gohman
5ce1bf9531 Merge a few fast-isel tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 15:03:55 +00:00
Evan Cheng
a57fabe815 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:02:37 +00:00
Evan Cheng
c3b0c341e7 Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 07:37:57 +00:00
Dan Gohman
701a4aef7f When expanding expressions which are using post-inc mode for multiple loops, 
ensure that the expansion is dominated by the increments of those loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 05:57:57 +00:00
Chris Lattner
d2075586c8 add newlines at the end of files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:53:17 +00:00
Dan Gohman
448db1cdef Generalize IVUsers to track arbitrary expressions rather than expressions 
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:27:08 +00:00
Dale Johannesen
b39b7e5ebf Split big test into multiple directories to cater to 
those who don't build all targets.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100688 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 20:43:35 +00:00
Chris Lattner
b1ceecefac this has a pr! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100637 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:04:56 +00:00
Chris Lattner
24ad3ed71f fix a latent bug my inline asm stuff exposed: 
MachineOperand::isIdenticalTo wasn't handling metadata operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:03:19 +00:00
Sanjiv Gupta
06fd8fadc8 Remove XFAIL for vg_leak as the leaks are fixed by 100601. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 07:06:48 +00:00
Jakob Stoklund Olesen
8ba1c6ab87 Don't try to collapse DomainValues onto an incompatible SSE domain. 
This fixes the Bullet regression on i386/nocona.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100553 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 19:48:56 +00:00
Evan Cheng
da72249ecb Add nounwind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100482 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 22:30:05 +00:00
Dan Gohman
c4ae94dee8 Don't do code sinking on unreachable blocks. It's unprofitable and hazardous. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 19:17:22 +00:00
Chris Lattner
af8df26495 resolve a fixme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-04 19:28:59 +00:00
Evan Cheng
f28f8bc40e Correctly lower memset / memcpy of undef. It should be a nop. PR6767. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 19:36:14 +00:00
Dan Gohman
f860db2398 Revert the recent alignment changes. They're broken for -Os because, 
in particular, they end up aligning strings at 16-byte boundaries, and
there's no way for GlobalOpt to check OptForSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 03:04:37 +00:00
Evan Cheng
db8771af28 After trivial coalescing, the MI being visited may have become a copy. Avoid adding it to CSE hash table since copies aren't being considered for CSE and they may be deleted. 
rdar://7819990


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 02:21:24 +00:00
Dan Gohman
1e4ac4dfd9 Remove this initializer so that the optimizer doesn't convert 
unaligned loads into aligned loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100166 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 01:26:13 +00:00
Dan Gohman
403d5a2c49 Update this test for the new preferred alignment heuristics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 01:24:08 +00:00
Evan Cheng
3ea97550e3 In 64-bit mode, use i64 to lower memcpy / memset instead of f64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-01 20:27:45 +00:00
Evan Cheng
94107ba9ce - Avoid using floating point stores to implement memset unless the value is zero. 
- Do not try to infer GV alignment unless its type is sized. It's not possible to infer alignment if it has opaque type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100118 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-01 18:19:11 +00:00
Evan Cheng
0bf77de91f Add -mcpu to memcpy / memset tests to ensure they behave the same on all hosts / targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-01 08:25:26 +00:00
Evan Cheng
255f20f7f7 Fix sdisel memcpy, memset, memmove lowering: 
1. Makes it possible to lower with floating point loads and stores.
2. Avoid unaligned loads / stores unless it's fast.
3. Fix some memcpy lowering logic bug related to when to optimize a
   load from constant string into a constant.
4. Adjust x86 memcpy lowering threshold to make it more sane.
5. Fix x86 target hook so it uses vector and floating point memory
   ops more effectively.
rdar://7774704


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-01 06:04:33 +00:00
Jakob Stoklund Olesen
d363b4ebc7 Replace V_SET0 with variants for each SSE execution domain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-31 00:40:13 +00:00
Jakob Stoklund Olesen
b16df90b48 Fix typo. Thank you, valgrind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-31 00:40:08 +00:00
Jakob Stoklund Olesen
932df5e9f6 Not all platforms start symbols with _ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99959 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 23:12:48 +00:00
Jakob Stoklund Olesen
bfcd61b907 Enable -sse-domain-fix by default. Now with tests! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99954 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 22:47:00 +00:00
Eric Christopher
8258d0b4bf Remove the pmulld intrinsic and autoupdate it as a vector multiply. 
Rewrite the pmulld patterns, and make sure that they fold in loads of
arguments into the instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 18:49:01 +00:00
Benjamin Kramer
32e6518de3 XFAIL some PIC16 tests when running under valgrind-leaks. I don't expect these 
to be fixed any time soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 14:34:13 +00:00
Evan Cheng
8e36a5c960 Fix PR4975. Avoid referencing empty vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-29 21:27:30 +00:00
Chris Lattner
e27e02b1a4 From Kalle Raiskila: 
"the bigstack patch for SPU, with testcase. It is essentially the patch committed as 97091, and reverted as 97099, but with the following additions:
-in vararg handling, registers are marked to be live, to not confuse the register scavenger
-function prologue and epilogue are not emitted, if the stack size is 16. 16 means it is empty - there is only the register scavenger emergency spill slot, which is not used as there is no stack."



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-29 17:38:47 +00:00
Chris Lattner
7a0eb91b4c teach tblgen to allow patterns like (add (i32 (bitconvert (i32 GPR))), 4), 
transforming it into (add (i32 GPR), 4).  This allows us to write type
generic multi patterns and have tblgen automatically drop the bitconvert
in the case when the types align.  This allows us to fold an extra load
in the changed testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 08:38:32 +00:00
Chris Lattner
ba47ce1244 add some nounwinds 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 07:58:37 +00:00
Chris Lattner
cf3fed0fd4 this takes an insane amount of time to run, disable it for now (PR6727) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 07:58:09 +00:00
Evan Cheng
2c12cb47d9 Do not sibcall if stack needs to be dynamically aligned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-26 16:26:03 +00:00