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47357 Commits

Author SHA1 Message Date
Akira Hatanaka
edacba83dc Coding style fixes. Added comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 17:32:06 +00:00
Francois Pichet
1b47720391 Remove unused OpcodeMask enumerator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132062 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 17:02:53 +00:00
Francois Pichet
d9e57c146d Fix MSVC warning: "is out of range for enum constant" 
MSVC doesn't support 64 bit enum. 
OpcodeMask is not used anywhere in the code base.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132057 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 15:58:10 +00:00
Charles Davis
575630ccb8 Add tests for .seh_savereg and .seh_savexmm parsing. Once again, fix the 
buggy methods that parse these directives.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132045 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:51:25 +00:00
Cameron Zwarich
da86a08284 Restore an accidentally removed comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:48:17 +00:00
Cameron Zwarich
8e9bace414 Move some code to a more logical place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132043 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:29 +00:00
Cameron Zwarich
106acd4158 Make tTAILJMPr/tTAILJMPrND emit a tBX without a preceding MOV of PC to LR. This 
fixes <rdar://problem/9495913>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132042 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:27 +00:00
Cameron Zwarich
328634598f Change the order of tBX's operands so that the predicate operands come after the 
target register, matching BX. I filed this bug because I was confused at first:

PR10007 - ARM branch instructions have inconsistent predicate operand placement
<http://llvm.org/bugs/show_bug.cgi?id=10007>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132041 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:23 +00:00
Cameron Zwarich
8f161c3a95 Rename tBX_Rm to tBX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:20 +00:00
Cameron Zwarich
b36c1ae6d5 Rename the existing tBX/tBXr9 instructions to tBX_CALL/tBXr9_CALL to better 
reflect their actual meaning and match the ARM instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132039 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:14 +00:00
Andrew Trick
03d3d3b361 indvars: fixed IV cloning in -disable-iv-rewrite mode with associated 
cleanup and overdue test cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132038 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:42:22 +00:00
Charles Davis
47268164f3 Add a test for .seh_pushframe parsing. Fix the bug exposed by it (and another 
one I found by inspection).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:08:15 +00:00
Rafael Espindola
fc2bb8c444 Replace the -unwind-tables option with a per function flag. This is more 
LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 03:44:17 +00:00
Akira Hatanaka
053546c31e Fix lowering of DYNAMIC_STACKALLOC nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132030 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 02:20:00 +00:00
Charles Davis
309213279e Add a test for the .seh_handler directive. Fix problems with the parsing 
method exposed by the test. While we're at it, simplify the .seh_proc
parsing method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 01:33:42 +00:00
Bruno Cardoso Lopes
56926a3961 Fix PR9762 
Enable the parsing of the operand "cpsr_all" for the ARM msr instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 00:35:03 +00:00
Evan Cheng
21d378d735 Forgot dyn_cast check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132025 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:47:50 +00:00
Eric Christopher
4db7dec70b Implement the arm 'L' asm modifier. 
Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132024 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:27:13 +00:00
Eric Christopher
e1739d598d Implement the immediate part of the 'B' modifier. 
Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132023 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:15:43 +00:00
Evan Cheng
424641ef83 Fix LoopUnswitch bug. RewriteLoopBodyWithConditionConstant can delete a dead 
case of a switch instruction. Back off this optimization when this would
eliminate all of the predecessors to the latch.

Sorry, I am unable to reduce a reasonably sized test case.

rdar://9486843


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:12:57 +00:00
Eric Christopher
fef50062ea Add more unimplemented asm modifiers and some documentation of what they 
do.

Part of rdar://9119939.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 22:27:43 +00:00
Eric Christopher
0628d38085 Add support for the arm 'y' asm modifier. 
Fixes part of rdar://9444657


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132011 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 22:10:34 +00:00
Charles Davis
40de0e013a Test basic SEH directive-parsing functionality. Fix a latent bug exposed by 
this test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 21:22:53 +00:00
Akira Hatanaka
ce98deb9f5 Enable printing of immediates that do not fit in 16-bit. .cprestore can have 
offsets that are larger than 0x10000.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132003 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 21:22:21 +00:00
Eli Friedman
b176399339 Change condition for determining whether a function is small for inlining metrics so that very long functions 
with few basic blocks are not re-analyzed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131994 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 20:22:24 +00:00
Charles Davis
3b32d0240c Implement the rest of the SEH directive-parsing methods in the COFFAsmParser. 
Add a size alignment check to the .seh_stackalloc directive parser. Add a
more descriptive error message to the .seh_handler directive parser.

Add methods to the TargetAsmInfo struct in support of all this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 20:06:30 +00:00
Akira Hatanaka
4231c7ea6d Implement byval structure argument passing. The following limitations or 
deficiencies exist:

- Works only if ABI is o32.
- Zero-sized structures cannot be passed.
- There is a lot of redundancy in generated code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131986 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 19:18:33 +00:00
Eli Friedman
a4d4aeb387 Make instcombine O(N) instead of O(N^2) in code where the same simplifiable constant is used many times. 
Part of rdar://9471075.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131979 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 18:52:07 +00:00
Devang Patel
8ec0c1c07b Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 18:27:52 +00:00
Dan Gohman
9adf151b3d Make DecomposeGEPExpression check SimplifyInstruction only 
after checking for a GEP, so that it matches what GetUnderlyingObject
does. This fixes an obscure bug turned up by bugpoint in the testcase
for PR9931.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131971 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 18:24:08 +00:00
Charles Davis
6b918b8466 Add a method to TargetRegisterInfo to get the register number that the Win64 EH 
scheme uses internally. Implement it for x86 (the only architecture that LLVM
supports for which this matters right now).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131969 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 16:57:53 +00:00
Cameron Zwarich
13a16083ab Clean up the lazy initialization of DIBuilder a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131956 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 06:00:08 +00:00
Cameron Zwarich
c827939046 Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values when 
promoting allocas to SSA variables. Fixes <rdar://problem/9479036>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131953 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 03:10:43 +00:00
Rafael Espindola
e665798097 Explain FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 03:10:31 +00:00
Rafael Espindola
10c3e128ef Fix the defaults for .eh_frame. We were marking it as writable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131951 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 02:50:20 +00:00
Evan Cheng
b5a55d979c - Teach SelectionDAG::isKnownNeverZero to return true (op x, c) when c is 
non-zero.
- Teach X86 cmov optimization to eliminate the cmov from ctlz, cttz extension
  when the source of X86ISD::BSR / X86ISD::BSF is proven to be non-zero.

rdar://9490949


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131948 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 01:48:22 +00:00
Akira Hatanaka
b4d8d31e59 Simplify offset calculation of stack frame objects for $gp restore location and 
variable arguments in LowerCall and LowerFormalArguments. This should also fix
the bug in which handling of variable arguments is incorrect when the front-end
optimizes away unused fixed arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131942 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 00:23:52 +00:00
Devang Patel
a9b324be9c Fix debug info for blocks' variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131940 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 00:22:25 +00:00
Devang Patel
c481b70a6a Remove unnecessary comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131936 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 23:16:14 +00:00
Akira Hatanaka
46da136ec7 Expand f64 FPOW. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131928 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 22:23:58 +00:00
Akira Hatanaka
f89532f8f6 Add pattern for double-to-integer conversion. Patch by Sasa Stankovic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131927 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 22:16:43 +00:00
Devang Patel
9728ea2447 Revert 121907 (it causes llc crash) and apply original patch from PR9817. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131926 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 22:04:42 +00:00
Akira Hatanaka
bdd2ce9741 Fixes related to coding style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131922 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 21:13:59 +00:00
Dan Gohman
1b58d4536a When checking for signed multiplication overflow, watch out for INT_MIN and -1. 
This fixes PR9845.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131919 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 21:07:39 +00:00
Jim Grosbach
95ae09afde Propagate error correctly in the MC Asm parser for leading '$' expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131918 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 20:36:04 +00:00
Akira Hatanaka
f8928c07e7 Fix MipsAsmPrinter::printSavedRegsBitmaskChange. Remove functions and variables 
in MipsFunctionInfo that are no longer used.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131917 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 20:34:30 +00:00
Chris Lattner
32232fc2b5 clarify this, apparently it is confusing :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131916 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 20:17:44 +00:00
Akira Hatanaka
69c19f7316 Change StackDirection from StackGrowsUp to StackGrowsDown. 
The following improvements are accomplished as a result of applying this patch:
- Fixed frame objects' offsets (relative to either the virtual frame pointer or
  the stack pointer) are set before instruction selection is completed. There is
  no need to wait until Prologue/Epilogue Insertion is run to set them.
- Calculation of final offsets of fixed frame objects is straightforward. It is
  no longer necessary to assign negative offsets to fixed objects for incoming
  arguments in order to distinguish them from the others.
- Since a fixed object has its relative offset set during instruction
  selection, there is no need to conservatively set its alignment to 4.
- It is no longer necessary to reorder non-fixed frame objects in 
  MipsFrameLowering::adjustMipsStackFrame.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131915 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 20:16:59 +00:00
Devang Patel
233857537f Preserve debug info during iSel by keeping DanglingDebugInfoMap live until end of function. 
Patch by Micah Villmow


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131908 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 17:44:13 +00:00
Devang Patel
35b6994608 While replacing all uses of a SDValue with another value, do not forget to transfer SDDbgValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131907 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 17:35:08 +00:00