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8396 Commits

Author SHA1 Message Date
Chris Lattner
c0f971670d convert to filecheck. 
llvm-svn: 85734
 2009-11-01 19:22:20 +00:00
Chris Lattner
69549467e3 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.

llvm-svn: 85729
 2009-11-01 18:57:49 +00:00
Evan Cheng
0151329ce5 Fix tests. 
llvm-svn: 85723
 2009-11-01 18:13:29 +00:00
Chris Lattner
4cf2980e59 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.

llvm-svn: 85703
 2009-11-01 03:25:03 +00:00
Evan Cheng
de16fff3e8 Use cbz and cbnz instructions. 
llvm-svn: 85698
 2009-10-31 23:46:45 +00:00
Jim Grosbach
5b094f3b36 vml[as].f32 cause stalls in following advanced SIMD instructions. Avoid using 
them for scalar floating point operations for now.

llvm-svn: 85697
 2009-10-31 22:57:36 +00:00
Jim Grosbach
7dfa53d978 Consolidate test files 
llvm-svn: 85696
 2009-10-31 22:20:56 +00:00
Jim Grosbach
acb31ebed1 Change to use FileCheck 
llvm-svn: 85695
 2009-10-31 22:16:14 +00:00
Jim Grosbach
93bcf7b8ce Make tests more explicit about which instructions are expected. 
llvm-svn: 85694
 2009-10-31 22:14:17 +00:00
Jim Grosbach
84e67e8e5c Grammar tweak to comments 
llvm-svn: 85693
 2009-10-31 22:12:44 +00:00
Jim Grosbach
c003ed5615 Update test to be more explicit about what instruction sequences are expected for each operation. 
llvm-svn: 85691
 2009-10-31 22:10:38 +00:00
Jim Grosbach
2a445e5d0a Update test to be more explicit about what instruction sequences are expected for each operation. 
llvm-svn: 85689
 2009-10-31 21:52:58 +00:00
Jim Grosbach
ace75c4288 Expand 64-bit logical shift right inline 
llvm-svn: 85687
 2009-10-31 21:42:19 +00:00
Jim Grosbach
16ae289667 Expand 64-bit arithmetic shift right inline 
llvm-svn: 85685
 2009-10-31 21:00:56 +00:00
Benjamin Kramer
2cc5f86d43 Force triple; darwin's ASM syntax differs from linux's. 
llvm-svn: 85676
 2009-10-31 19:54:06 +00:00
Jim Grosbach
534d2cb249 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.

llvm-svn: 85675
 2009-10-31 19:38:01 +00:00
Benjamin Kramer
60dac7de40 Add missing colons for FileCheck. 
llvm-svn: 85674
 2009-10-31 19:22:24 +00:00
Jim Grosbach
78a5bcfa02 Convert to FileCheck 
llvm-svn: 85673
 2009-10-31 19:06:53 +00:00
Dan Gohman
61e806613f Revert r85667. LoopUnroll currently can't call utility functions which 
auto-update the DominatorTree because it doesn't keep the DominatorTree
current while it works.

llvm-svn: 85670
 2009-10-31 17:33:01 +00:00
Dan Gohman
40cec16be1 Merge the enhancements from LoopUnroll's FoldBlockIntoPredecessor into 
MergeBlockIntoPredecessor. This makes SimplifyCFG slightly more aggressive,
and makes it unnecessary for LoopUnroll to have its own copy of this code.

llvm-svn: 85667
 2009-10-31 16:08:00 +00:00
Evan Cheng
9178904e56 It's safe to remat t2LDRpci; Add PseudoSourceValue to load / store's to enable more machine licm. More changes coming. 
llvm-svn: 85643
 2009-10-31 03:39:36 +00:00
Dan Gohman
d5dbd3f588 Add a target triple so that this test behaves consistently across hosts. 
llvm-svn: 85640
 2009-10-31 00:15:28 +00:00
Dan Gohman
14157e31a3 Fix the -mattr line for this test so that it passes on hosts that lack SSSE3. 
llvm-svn: 85637
 2009-10-30 23:18:27 +00:00
Dan Gohman
cd411a597d Add a testcase for the recent duplicate PHI elimination changes. 
llvm-svn: 85636
 2009-10-30 23:16:10 +00:00
Chris Lattner
3982885b51 if basic blocks are destroyed while there are *just* BlockAddress' hanging 
around, then zap them.  This is analogous to dangling constantexprs hanging
off functions.

llvm-svn: 85627
 2009-10-30 22:39:36 +00:00
Dan Gohman
ad6c6a3d33 Fix MachineLICM to use the correct virtual register class when 
unfolding loads for hoisting.  getOpcodeAfterMemoryUnfold returns the
opcode of the original operation without the load, not the load
itself, MachineLICM needs to know the operand index in order to get
the correct register class. Extend getOpcodeAfterMemoryUnfold to
return this information.

llvm-svn: 85622
 2009-10-30 22:18:41 +00:00
Daniel Dunbar
45b7d65288 Add missing substitution for %llvmgcc_only. 
llvm-svn: 85614
 2009-10-30 21:13:59 +00:00
Evan Cheng
52d6e56ac9 I forgot to commit this test. 
llvm-svn: 85608
 2009-10-30 20:03:40 +00:00
Rafael Espindola
d4fadd76da This fixes functions like 
void f (int a1, int a2, int a3, int a4, int a5,...)

In ARMTargetLowering::LowerFormalArguments if the function has 4 or
more regular arguments we used to set VarArgsFrameIndex using an
offset of 0, which is only correct if the function has exactly 4
regular arguments.

llvm-svn: 85590
 2009-10-30 14:33:14 +00:00
Bob Wilson
f13be9d41e Reimplement BranchFolding change to avoid tail merging for a 1 instruction 
common tail, except when the OptimizeForSize function attribute is present.
Radar 7338114.

llvm-svn: 85441
 2009-10-28 22:10:20 +00:00
Victor Hernandez
917cf94b22 Extend getMallocArraySize() to determine the array size if the malloc argument is: 
ArraySize * ElementSize
ElementSize * ArraySize
ArraySize << log2(ElementSize)
ElementSize << log2(ArraySize)

Refactor isArrayMallocHelper and delete isSafeToGetMallocArraySize, so that there is only 1 copy of the malloc array determining logic.
Update users of getMallocArraySize() to not bother calling isArrayMalloc() as well.

llvm-svn: 85421
 2009-10-28 20:18:55 +00:00
Owen Anderson
cfb2c9edeb Treat lifetime begin/end markers as allocations/frees respectively for the 
purposes for GVN/DSE.

llvm-svn: 85383
 2009-10-28 07:05:35 +00:00
Owen Anderson
a2584a4c64 Be more careful about invariance reasoning on "store" queries. Stores still need 
to depend on Ref and ModRef calls within the invariant region.

llvm-svn: 85380
 2009-10-28 06:30:52 +00:00
Owen Anderson
6cf32f04df Add trivial support for the invariance intrinsics to memdep. This logic is 
purely local for now.

llvm-svn: 85378
 2009-10-28 06:18:42 +00:00
Chris Lattner
1efa0c450a add bitcode reader support for blockaddress. We can now fully 
round trip blockaddress through .ll and .bc files, so add a testcase.

There are still a bunch of places in the optimizer and other places
that need to be updated to work with these constructs, but at least
the basics are in now.

llvm-svn: 85377
 2009-10-28 05:53:48 +00:00
Dan Gohman
076a3b5e25 Teach MachineLICM to unfold loads from constant memory from 
otherwise unhoistable instructions in order to allow the loads
to be hoisted.

llvm-svn: 85364
 2009-10-28 03:21:57 +00:00
Evan Cheng
1babe43881 Use fconsts and fconstd to materialize small fp constants. 
llvm-svn: 85362
 2009-10-28 01:44:26 +00:00
Dan Gohman
00c9f3e905 Mark dead physregdefs dead immediately. This helps MachineSink and 
MachineLICM and other things which run before LiveVariables is run.

llvm-svn: 85360
 2009-10-28 01:13:53 +00:00
Dan Gohman
a9fb025f00 Allow constants of different types to share constant pool entries 
if they have compatible encodings.

llvm-svn: 85359
 2009-10-28 01:12:16 +00:00
Chris Lattner
2bc8002f4c rename indbr -> indirectbr to appease the residents of #llvm. 
llvm-svn: 85351
 2009-10-28 00:19:10 +00:00
Dale Johannesen
9f175bf461 Add radar number. 
llvm-svn: 85290
 2009-10-27 20:12:38 +00:00
Dale Johannesen
089d45f489 Testcase for llvm-gcc patch 85284. 
llvm-svn: 85287
 2009-10-27 20:06:05 +00:00
Chris Lattner
fdda543cea add enough support for indirect branch for the feature test to pass 
(assembler,asmprinter, bc reader+writer) and document it.  Codegen
currently aborts on it.

llvm-svn: 85274
 2009-10-27 19:13:16 +00:00
Rafael Espindola
9cafe9e468 Add missing testcase. 
llvm-svn: 85266
 2009-10-27 17:59:03 +00:00
Chris Lattner
9ab753239b change of mind :) 
llvm-svn: 85258
 2009-10-27 17:40:49 +00:00
Chris Lattner
ec7abb4dd5 rename test. 
llvm-svn: 85256
 2009-10-27 17:40:19 +00:00
Edward O'Callaghan
142c2fc0ae Convert Analysis tests to FileCheck in regards to PR5307. 
llvm-svn: 85241
 2009-10-27 14:54:46 +00:00
Bob Wilson
aadcaed95f Fix Thumb2 failures by converting them to FileCheck. 
llvm-svn: 85210
 2009-10-27 06:31:02 +00:00
Bob Wilson
cc098c98de Fix the rest of the ARM failures by converting them to FileCheck. 
llvm-svn: 85208
 2009-10-27 06:16:45 +00:00
Bob Wilson
5753a34ebb Fix some more failures by converting to FileCheck. 
llvm-svn: 85207
 2009-10-27 05:50:28 +00:00