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8423 Commits

Author SHA1 Message Date
Evan Cheng
ad95ff9fab Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 00:42:33 +00:00
Chris Lattner
fc36a562ae reimplement multiple return value handling in IPSCCP, making it 
more aggressive an correct.  This survives building llvm in 64-bit
mode with optimizations and the built llvm passes make check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 23:40:48 +00:00
Evan Cheng
b23b2015eb fconsts / fconstd immediate should be proceeded with #. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85952 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 21:59:33 +00:00
Evan Cheng
777c6b7caa Re-apply 85799. It turns out my code isn't buggy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85947 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 21:40:02 +00:00
Chris Lattner
60faaf64b4 fix test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85946 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 21:26:26 +00:00
Chris Lattner
db70f8a442 merge a test into ipsccp-basic. running llvm-ld to get one pass is... bad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85945 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 21:25:50 +00:00
Chris Lattner
fde2da47de turn IPSCCP back on by default, try #3 or 4? Woo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85929 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 19:35:13 +00:00
Chris Lattner
2396cc37ae fix an IPSCCP bug I introduced when I changed IPSCCP to start working on 
functions that don't have local linkage.  Basically, we need to be more
careful about propagating argument information to functions whose results
we aren't tracking.  This fixes a miscompilation of 
LLVMCConfigurationEmitter.cpp when built with an llvm-gcc that has ipsccp
enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85923 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 19:24:51 +00:00
Devang Patel
e8bc45a645 Parse debug info attached with insertvalue and extractvalue instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 19:06:07 +00:00
Chris Lattner
19c2079851 xfail this test since daniel turned off ipsccp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85907 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 17:54:12 +00:00
Chris Lattner
c8d40c7aad testcase for r85903 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85906 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 17:03:02 +00:00
Kenneth Uildriks
b908f8ad6a Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 15:29:06 +00:00
Evan Cheng
ba908640b3 Fix PR5367. QPR_8 is the super regclass of DPR_8 and SPR_8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85871 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:52:54 +00:00
Nate Begeman
e4a9f9c450 Declare sin & cos as readonly so they match the code in SelectionDAGBuild 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85853 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 02:19:31 +00:00
Anton Korobeynikov
7b360e7f29 Temporary xfail until PR5367 will be resolved 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85848 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 00:37:36 +00:00
Anton Korobeynikov
ab453e0641 Revert r85049, it is causing PR5367 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 00:24:48 +00:00
Evan Cheng
454ac8961b Revert 85799 for now. It might be breaking llvm-gcc driver. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 21:49:14 +00:00
Chris Lattner
0909796868 merge 2008-03-10-sret.ll into ipsccp-basic.ll, and upgrade its syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 18:27:22 +00:00
Chris Lattner
2bbbbd6ac8 disable IPSCCP support for multiple return values, it is buggy, so just 
disable it until I can fix it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85810 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 18:22:51 +00:00
Evan Cheng
72ed88feac Initilize the machine LICM CSE map upon the first time an instruction is hoisted to 
the loop preheader. Add instructions which are already in the preheader block that
may be common expressions of those that are hoisted out. These does get a few more
instructions CSE'ed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85799 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 08:09:49 +00:00
Chris Lattner
12c8d5f5fe improve IPSCCP to be able to propagate the result of "!mayBeOverridden" 
function to calls of that function, regardless of whether it has local
linkage or has its address taken.  Not escaping should only affect 
whether we make an aggressive assumption about the arguments to a 
function, not whether we can track the result of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85795 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 07:33:59 +00:00
Evan Cheng
580e791ded Remove an irrelevant and poorly reduced test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85794 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 07:11:54 +00:00
Chris Lattner
5638dc618a Use the libanalysis 'ConstantFoldLoadFromConstPtr' function 
instead of reinventing SCCP-specific logic.  This gives us
new powers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85789 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 06:06:14 +00:00
Evan Cheng
7baae87d8f Unbreak ARMBaseRegisterInfo::copyRegToReg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85787 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 04:44:55 +00:00
Chris Lattner
794c15dc71 fix a bug exposed by moving SRoA earlier which caused a crash building kc++ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85786 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 04:37:17 +00:00
Chris Lattner
7ebbabf500 fix instcombine to only do store sinking when the alignments 
of the two loads agree.  Propagate that onto the new store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85772 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:06:37 +00:00
Chris Lattner
f013eea972 merge a test into store.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85771 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 02:00:18 +00:00
Chris Lattner
f7956621ee convert to filecheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85770 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 01:58:03 +00:00
Anton Korobeynikov
2ae0eec1c0 Handle splats of undefs properly. This includes the testcase for PR5364 as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 00:12:06 +00:00
Anton Korobeynikov
2e1da9fea4 64-bit FP loads & stores operate on both NEON and VFP pipelines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85765 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-02 00:11:06 +00:00
Evan Cheng
48d8afab73 Make use of imm12 version of Thumb2 ldr / str instructions more aggressively. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85743 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 21:12:51 +00:00
Chris Lattner
213a8d3a48 merge phi-merge.ll into phi.ll 
I don't know what Dan wants to do with phi-merge-gep.ll, I'll let
him deal with it because instcombine may end up sinking these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 20:10:11 +00:00
Chris Lattner
a664bb7bdc when merging two loads, make sure to take the min of their alignment, 
not the max.  This didn't matter until the previous patch because
instcombine would refuse to sink loads with differenting alignments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85738 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 20:07:07 +00:00
Chris Lattner
e3c6281a98 fix a bug noticed by inspection: when instcombine sinks loads through 
phis, it didn't preserve the alignment of the load.  This is a missed
optimization of the alignment is high and a miscompilation when the
alignment is low.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85736 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 19:50:13 +00:00
Chris Lattner
c7e4e6edc4 convert to filecheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85734 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 19:22:20 +00:00
Chris Lattner
0037bfabd4 We currently only run ipsccp at LTO time, which is silly. It subsumes 
ipconstprop and doesn't take much time.  Just run it in its place.

This adds a testcase for it, which I plan to expand to cover other
"integration" cases, where we expect the optimizer to be able to
eliminate various things.  Due to phase order issues we've regressed
in a number of areas and integration tests are the only way I see to
prevent this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 18:57:49 +00:00
Evan Cheng
1107f03ef4 Fix tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85723 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 18:13:29 +00:00
Chris Lattner
43f44aa160 improve x86 codegen support for blockaddress. We now compile 
the testcase into:

_test1:                                                     ## @test1
## BB#0:                                                    ## %entry
	leaq	L_test1_bb6(%rip), %rax
	jmpq	*%rax
L_test1_bb:                                                 ## Address Taken
LBB1_1:                                                     ## %bb
	movb	$1, %al
	ret
L_test1_bb6:                                                ## Address Taken
LBB1_2:                                                     ## %bb6
	movb	$2, %al
	ret

Note, it is very very strange that BlockAddressSDNode doesn't carry 
around TargetFlags.  Dan, please fix this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-01 03:25:03 +00:00
Evan Cheng
de17fb6e4d Use cbz and cbnz instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85698 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 23:46:45 +00:00
Jim Grosbach
8cd0a8cb82 vml[as].f32 cause stalls in following advanced SIMD instructions. Avoid using 
them for scalar floating point operations for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:57:36 +00:00
Jim Grosbach
1820ec5e7a Consolidate test files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85696 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:20:56 +00:00
Jim Grosbach
91c0aebe68 Change to use FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85695 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:16:14 +00:00
Jim Grosbach
0e5c9beeed Make tests more explicit about which instructions are expected. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85694 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:14:17 +00:00
Jim Grosbach
6b0b4b3eaf Grammar tweak to comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85693 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:12:44 +00:00
Jim Grosbach
199a4b4c70 Update test to be more explicit about what instruction sequences are expected for each operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85691 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 22:10:38 +00:00
Jim Grosbach
07d236ba88 Update test to be more explicit about what instruction sequences are expected for each operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85689 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:52:58 +00:00
Jim Grosbach
bcf2f2c159 Expand 64-bit logical shift right inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:42:19 +00:00
Jim Grosbach
b4a976c304 Expand 64-bit arithmetic shift right inline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85685 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 21:00:56 +00:00
Benjamin Kramer
e3246fc6ab Force triple; darwin's ASM syntax differs from linux's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85676 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 19:54:06 +00:00
Jim Grosbach
c2b879fcfe Expand 64 bit left shift inline rather than using the libcall. For now, this 
is unconditional. Making it still use the libcall when optimizing for size
would be a good adjustment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85675 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-31 19:38:01 +00:00