ec6480e235
new testcase
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llvm-svn: 39882
2007-07-15 22:30:34 +00:00
d4fef8dbca
Implement shift-simplify.ll:test[45].
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First teach instcombine that sign bit checks only demand the
sign bit, this allows simplify demanded bits to hack on
expressions better.
Second, teach instcombine that ashr is useless if only the
sign bit is demanded.
llvm-svn: 39880
2007-07-15 20:54:51 +00:00
06205d5567
Implement shift-simplify.ll:test3, turning:
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(X << 31) <s 0 --> (X&1) != 0
This happens dozens of times in the CFE.
llvm-svn: 39879
2007-07-15 20:42:37 +00:00
b1711e8485
remove obsolete comment.
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llvm-svn: 39868
2007-07-15 06:46:25 +00:00
3fc74e2468
Change SourceManager::getInstantiationLoc to take virtual locations, doing its
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virtual->physical mapping explicitly.
llvm-svn: 39867
2007-07-15 06:35:27 +00:00
81569d2044
This is the final step/commit for implementing exlicit implicit casts. Unlike the
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previous two checkins, which involved lot's of tedious refactoring, this checkin is nice and clean:-)
- Hacked UsualUnaryConversions, UsualArithmeticConversions, and DefaultFunctionArrayConversion
to create the AST node (using a helper function promoteExprToType).
- Added a setType method to Expr.
- Changed Expr::isIntegerConstantExpr to allow for the new node.
llvm-svn: 39866
2007-07-15 02:02:06 +00:00
598305dfbd
non-apple targets should be like i386, not the mythical, bogus, linux target.
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llvm-svn: 39865
2007-07-15 01:37:36 +00:00
c02c4abe5b
Cache macro expander objects to avoid thrashing malloc in heavy expansion situations.
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This doesn't significantly improve carbon.h, but it does speed up
INPUTS/macro_pounder_obj.c by 48%
llvm-svn: 39864
2007-07-15 00:25:26 +00:00
03928c7f9a
Make parser scope cache be a member of the parser instead of a global,
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which makes it multithread clean.
llvm-svn: 39863
2007-07-15 00:04:39 +00:00
564f478595
switch function-like macros from using a vector for their arguments to an
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explicitly new'd array. The array never mutates once created, so a vector
is overkill.
llvm-svn: 39862
2007-07-14 22:46:43 +00:00
819f2ef77b
switch from using a vector to a smallvector for macro replacement tokens
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This speeds up parsing carbon.h by 3.3% by avoiding some malloc traffic for
small macros.
llvm-svn: 39861
2007-07-14 22:15:50 +00:00
f40fe99118
expose an iterator interface to getReplacementTokens instead of the datastructure itself.
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llvm-svn: 39860
2007-07-14 22:11:41 +00:00
a3834341c5
split function-like and object-like macro body parsing to make the
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code more obvious.
llvm-svn: 39859
2007-07-14 21:54:03 +00:00
e97cd7e65c
add FIXME and un-XFAIL test
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llvm-svn: 39858
2007-07-14 20:05:18 +00:00
ddc2f9ba57
Clarify the language. Pointed out by Duncan Sands.
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llvm-svn: 39857
2007-07-14 17:41:03 +00:00
d20f485866
Fix the build. Patch from Holger Schurig.
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llvm-svn: 39856
2007-07-14 15:11:14 +00:00
383a324735
Long live the exception handling!
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This patch fills the last necessary bits to enable exceptions
handling in LLVM. Currently only on x86-32/linux.
In fact, this patch adds necessary intrinsics (and their lowering) which
represent really weird target-specific gcc builtins used inside unwinder.
After corresponding llvm-gcc patch will land (easy) exceptions should be
more or less workable. However, exceptions handling support should not be
thought as 'finished': I expect many small and not so small glitches
everywhere.
llvm-svn: 39855
2007-07-14 14:06:15 +00:00
657a203adf
Add missing directory
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llvm-svn: 39853
2007-07-14 09:37:10 +00:00
39519f5c41
Use maximal intersection algorithm exclusively. Fixes miscompile bug.
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llvm-svn: 39852
2007-07-14 04:28:04 +00:00
61b4a265ee
Add alternate ConstantRange intersection algorithm.
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llvm-svn: 39851
2007-07-14 02:51:34 +00:00
4481b428db
A significant refactoring of the type size stuff to also
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compute type alignment. This info is needed for struct layout.
llvm-svn: 39850
2007-07-14 01:29:45 +00:00
9d3b0e0001
Implement trivial integer initializers, like 'int X = 4;' for global
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vars. Approach suggested by Keith.
llvm-svn: 39849
2007-07-14 00:23:28 +00:00
6ee31f5df8
In "int X,Y;", compile both X and Y.
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llvm-svn: 39848
2007-07-14 00:16:50 +00:00
027f21dd72
add a fixme
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llvm-svn: 39847
2007-07-14 00:01:01 +00:00
666115c848
Improve char literal pretty printing, patch by Keith Bauer!
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llvm-svn: 39846
2007-07-13 23:58:20 +00:00
07bc082891
Added test case from PR1540.
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llvm-svn: 39845
2007-07-13 23:57:33 +00:00
4cd1413f15
Make LCSSA a loop pass.
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llvm-svn: 39844
2007-07-13 23:57:11 +00:00
1fae1cd3e1
Fix for PR1540: Specify F0, F1 are sub-registers of D0, etc.
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llvm-svn: 39843
2007-07-13 23:55:50 +00:00
03a0073b36
fix type of main, use !=
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llvm-svn: 39842
2007-07-13 23:40:27 +00:00
d4606aa36e
implement _Complex * == and !=
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llvm-svn: 39841
2007-07-13 23:33:18 +00:00
b8ea4fb8db
More changes related to implementing ImplicitCastExpr.
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- Fixed a recent regression discovered by Keith Bauer (thanks!).
The fix involved adding (back) two arguments to UsualArithmeticConversions.
Without the reference arguments, no unary conversions were being passed back
to the caller. This had the effect of turning off the UsualUnaryConversions.
- Refactored CheckAssignmentConstraints into 3 functions. CheckAssignmentConstraints,
CheckSingleAssignmentConstraints, and CheckCompoundAssignmentConstraints.
- Changed the argument type of DefaultFunctionArrayConversion from QualType->Expr*&.
- Removed a bunch of casts in routines I was working on (cleanup).
- Fixed the visitor for ImplicitCastExpr (oops).
llvm-svn: 39840
2007-07-13 23:32:42 +00:00
d975efab16
Handle GEPs with all-zero indices in the same way we handle pointer-pointer bitcasts. Also, fix a potentia infinite loop.
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This brings FastDSE to parity with old DSE on 175.vpr.
llvm-svn: 39839
2007-07-13 22:50:48 +00:00
355332d3f3
Use target info to decide the sizes of basic types.
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llvm-svn: 39838
2007-07-13 22:27:08 +00:00
0523dc94c8
Add missing citation.
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llvm-svn: 39837
2007-07-13 22:16:13 +00:00
f7b1f667d4
a simple _Complex testcase
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llvm-svn: 39836
2007-07-13 22:15:44 +00:00
983a8bbbb2
Move getSize() out of type, into ASTContext, where it has target info, and
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where ASTContext can manage caches for struct layout, etc.
llvm-svn: 39835
2007-07-13 22:13:22 +00:00
29ccf8ba52
Disable claims to preserve analysis until open issues are resolved.
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llvm-svn: 39834
2007-07-13 21:53:42 +00:00
35ed92817a
Unspecified type specs default to int. This fixes a crash
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on test/Sema/implicit-int.c
llvm-svn: 39833
2007-07-13 21:02:29 +00:00
2ce5dd4c98
remove some extraneous spaces, no functionality change.
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llvm-svn: 39832
2007-07-13 21:01:17 +00:00
388cf760e2
implement codegen support for implicit casts.
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llvm-svn: 39831
2007-07-13 20:25:53 +00:00
5c2f76b395
eliminate extraneous type, add accessors.
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llvm-svn: 39830
2007-07-13 20:25:36 +00:00
91dacfec85
Check in these testcases.
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llvm-svn: 39829
2007-07-13 20:18:44 +00:00
10835d9c67
Eliminate an unused parameter.
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llvm-svn: 39828
2007-07-13 20:16:50 +00:00
ff72788863
Fix the comment for LegalizeOp to more accurately reflect what it does.
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llvm-svn: 39827
2007-07-13 20:14:11 +00:00
effb7a350f
new testcase that crashes the cfe due to implicit conversion fun
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llvm-svn: 39826
2007-07-13 20:11:01 +00:00
0946f04236
remove obsolete note
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llvm-svn: 39825
2007-07-13 20:08:19 +00:00
a5ba0cb772
silence a bogus gcc warning.
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llvm-svn: 39824
2007-07-13 20:07:11 +00:00
80f9f077e3
Don't call SimplifyVBinOp for non-vector operations, following earlier review
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feedback. This theoretically makes the common (scalar) case more efficient.
llvm-svn: 39823
2007-07-13 20:03:40 +00:00
0a2d099792
fix some bugs in the manual
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llvm-svn: 39822
2007-07-13 20:01:46 +00:00
9c9ef21432
Be more aggressive in removing dead stores, and in removing instructions trivially dead after DSE.
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This drastically improves the effect of FastDSE on kimwitu++.
llvm-svn: 39819
2007-07-13 18:26:26 +00:00
Chris Lattner