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43756 Commits

Author SHA1 Message Date
Jim Grosbach
dbefb3e7e5 Remove incorrect BL target encoding (it's similar to, but not the same as the 
ARM instruction). Add encoding of bits 13 and 11.

llvm-svn: 120849
 2010-12-03 22:33:42 +00:00
Jim Grosbach
8cef570ed9 Encode the 32-bit wide Thumb (and Thumb2) instructions with the high order 
halfword being emitted to the stream first. rdar://8728174

llvm-svn: 120848
 2010-12-03 22:31:40 +00:00
Nate Begeman
d4310b6d7c Revert this change since it breaks a couple of the AVX tests. 
I'm unclear if the tests are actually correct or not, but reverting for now.

llvm-svn: 120847
 2010-12-03 22:29:15 +00:00
Jakob Stoklund Olesen
8ed86d7fd3 Rename virtRegMap to avoid confusion with the VirtRegMap that it isn't. 
llvm-svn: 120846
 2010-12-03 22:25:09 +00:00
Jakob Stoklund Olesen
8b893e3575 Coalesce debug locations when possible, causing less DBG_VALUE instructions to 
be emitted.

llvm-svn: 120845
 2010-12-03 22:25:07 +00:00
Nate Begeman
deb26223bd Scalar f32/f64 are also subregs of ymm regs 
llvm-svn: 120844
 2010-12-03 21:54:39 +00:00
Nate Begeman
3911dcfd71 Remove SSE1-4 disable when AVX is enabled. While this may be useful for development, 
it completely breaks scalar fp in xmm regs when AVX is enabled.

llvm-svn: 120843
 2010-12-03 21:54:14 +00:00
Jakob Stoklund Olesen
c18ef29bc6 Emit DBG_VALUE instructions from LiveDebugVariables. 
llvm-svn: 120842
 2010-12-03 21:47:10 +00:00
Jakob Stoklund Olesen
1d753a5f7f Also update virtRegMap when renaming virtual registers. 
llvm-svn: 120841
 2010-12-03 21:47:08 +00:00
Jim Grosbach
c69ad2176a When using the 'push' mnemonic for Thumb2 stmdb, be explicit when it's the 
32-bit wide version by adding the .w suffix.

llvm-svn: 120838
 2010-12-03 20:33:01 +00:00
Benjamin Kramer
e27eff8888 Remove unused variable. 
llvm-svn: 120836
 2010-12-03 19:55:37 +00:00
Jim Grosbach
c8ce9a3453 Reduce t2 ldr/str instructions to the correct t1 versions when there's an 
immediate offset.

llvm-svn: 120833
 2010-12-03 19:47:11 +00:00
Jason W Kim
27bbab7e31 fix ARM::fixup_arm_branch, cleanup, and share more code between ELF and Darwin 
llvm-svn: 120832
 2010-12-03 19:40:23 +00:00
Jim Grosbach
25da270139 No need to declare EncoderMethod property anymore; just assign to it. 
llvm-svn: 120831
 2010-12-03 19:31:00 +00:00
Jakob Stoklund Olesen
1ec6a68038 Delete the StrongPHIElimination pass, leaving only a shell. 
The StrongPHIElimination pass did not work, and nobody has worked on it for two
years.

A rewrite is underway, so I am leaving this shell pass instead of deleting it
completely.

llvm-svn: 120830
 2010-12-03 19:21:53 +00:00
Jakob Stoklund Olesen
4cd667151d Add IntervalMap::iterator::set{Start,Stop,Value} methods that allow limited 
editing of the current interval.

These methods may cause coalescing, there are corresponding set*Unchecked
methods for editing without coalescing. The non-coalescing methods are useful
for applying monotonic transforms to all keys or values in a map without
accidentally coalescing transformed and untransformed intervals.

llvm-svn: 120829
 2010-12-03 19:02:00 +00:00
Michael J. Spencer
6cf89ea23a Support/FileSystem: Add equivalent implementation. 
llvm-svn: 120827
 2010-12-03 18:49:13 +00:00
Michael J. Spencer
ce950c50c4 Support/FileSystem: Fix MinGW build. It doesn't have _chsize_s. 
llvm-svn: 120826
 2010-12-03 18:48:56 +00:00
Jim Grosbach
d0db6c9f0e Add FIXMEs. 
llvm-svn: 120824
 2010-12-03 18:37:17 +00:00
Jim Grosbach
dca34b5da7 Size reduction for tPUSH come from t2STMDB_UPD, not t2STMIA_UPD. 
llvm-svn: 120822
 2010-12-03 18:31:03 +00:00
Michael J. Spencer
60c2f39a49 And I really hate line endings. 
llvm-svn: 120821
 2010-12-03 18:04:11 +00:00
Michael J. Spencer
94cf759d48 Support/Windows/FileSystem: Fix MinGW build. 
llvm-svn: 120820
 2010-12-03 18:03:28 +00:00
Michael J. Spencer
a0346605ae Support/FileSystem: Add resize_file implementation. 
llvm-svn: 120819
 2010-12-03 17:54:07 +00:00
Michael J. Spencer
ba3176e790 Support/FileSystem: Add rename implementation. 
llvm-svn: 120818
 2010-12-03 17:53:55 +00:00
Michael J. Spencer
1d9a2b7541 Support/FileSystem: Add remove implementation. 
llvm-svn: 120817
 2010-12-03 17:53:43 +00:00
Michael J. Spencer
8c7c12a74e Fix line endings. 
llvm-svn: 120816
 2010-12-03 17:53:23 +00:00
Eric Christopher
25f7b89a9e Apparently OS X 10.4 doesn't have __crashreporter_info__. 
Try to fix building on the wayback machine.

llvm-svn: 120801
 2010-12-03 07:45:22 +00:00
Michael J. Spencer
98d9d1509e Support/FileSystem: Add create_symlink implementation. 
llvm-svn: 120800
 2010-12-03 07:41:25 +00:00
Michael J. Spencer
efc69d250d Support/FileSystem: Add create_hard_link implementation. 
llvm-svn: 120792
 2010-12-03 05:58:41 +00:00
Michael J. Spencer
5328e94513 Support/ADT/Twine: Make toNullTerminatedStringRef not rely on UB :(. 
llvm-svn: 120791
 2010-12-03 05:42:25 +00:00
Michael J. Spencer
96236c93ff Support/FileSystem: Add create_director{y,ies} implementations. 
llvm-svn: 120790
 2010-12-03 05:42:11 +00:00
Rafael Espindola
ec560cdae3 Make EmitIntValue more efficient and more like what we do for leb128. The 
difference is much smaller (about 0.3s) but significant.

llvm-svn: 120787
 2010-12-03 02:54:21 +00:00
Bill Wendling
b7df584ef7 Don't overwrite the opcode passed into the T1Special pattern. 
llvm-svn: 120782
 2010-12-03 02:02:58 +00:00
Bill Wendling
c4858cb4c3 Add Thumb encoding for some more instructions. 
llvm-svn: 120780
 2010-12-03 01:55:47 +00:00
Michael J. Spencer
d9f355beb0 Support/Windows/FileSystem: Remove unneeded toNullTerminatedStringRef. 
llvm-svn: 120777
 2010-12-03 01:21:38 +00:00
Michael J. Spencer
4e1623c715 Support/FileSystem: Add unique_file and exists implementations. 
llvm-svn: 120776
 2010-12-03 01:21:28 +00:00
Rafael Espindola
dc103b1755 Do with uleb the same trick we now do with dwarf line/address advances. This 
avoids creating leb128 fragments and speeds up the test in PR8711 to 33s.

llvm-svn: 120774
 2010-12-03 01:19:49 +00:00
Rafael Espindola
3e119b0bb4 Try to resolve symbol differences early, and if successful create a plain 
data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.

llvm-svn: 120767
 2010-12-03 00:55:40 +00:00
Bill Wendling
2f6a820abe The tLDR instruction wasn't encoded properly: 
<MCInst 2251 <MCOperand Reg:70> <MCOperand Reg:66> <MCOperand Imm:0> <MCOperand Reg:0> <MCOperand Imm:14> <MCOperand Reg:0>>

Notice that the "reg" here is 0, which is an invalid register. Put a check in
the code for this to prevent crashing.

llvm-svn: 120766
 2010-12-03 00:53:22 +00:00
Devang Patel
77a1457f1a It may not be an option to skip .debug_line if there are file reference in already emitted debug info. So, for now, emit dummy line table entry to make older linker and assemblers happy. This is not a new behavior, original AsmPrinter emitted similar line table entries. 
llvm-svn: 120760
 2010-12-03 00:10:48 +00:00
Jim Grosbach
0bd3b0fd6c Trailing whitespace. 
llvm-svn: 120748
 2010-12-02 23:05:38 +00:00
Devang Patel
822facd787 Use set directive for StartMinusEndExpr. 
This is a fix for llvm-gcc-i386-darwin9 buildbot failure.

llvm-svn: 120742
 2010-12-02 21:32:30 +00:00
Jakob Stoklund Olesen
08f52108b1 Update LiveDebugVariables during coalescing. 
llvm-svn: 120720
 2010-12-02 18:15:44 +00:00
Jim Grosbach
b6d0c8d5b1 When expanding the MOVCCi32imm, make sure to use the ARM movt/movw opcodes, 
not thumb2.

llvm-svn: 120711
 2010-12-02 16:42:25 +00:00
Jim Grosbach
78ef3199c8 Fix copy/pasto in vmin.f32 encoding. 
llvm-svn: 120709
 2010-12-02 16:30:58 +00:00
Wesley Peck
09a4bffe09 Teaching MBlaze backend how to reverse branch conditions. 
llvm-svn: 120707
 2010-12-02 16:17:11 +00:00
Rafael Espindola
922894345e Add a fast path to EvaluateSymbolicAdd. This avoids computing symbol addresses 
which then avoids running EnsureValid.
This cuts the assembly time of the testcase in PR8711 from 2:50 minutes to 1
minute.

llvm-svn: 120697
 2010-12-02 07:53:12 +00:00
Rafael Espindola
2dabc56340 Move EmitValueToOffset to the ObjectStreamer. 
llvm-svn: 120691
 2010-12-02 05:59:38 +00:00
Rafael Espindola
3bc5d20c38 Add EmitInstToFragment to the generic object streamer. 
llvm-svn: 120690
 2010-12-02 05:44:06 +00:00
Rafael Espindola
41bdd97d48 The sections that the ELF object writer has to create are very simple and 
contain only data. Handle them specially instead of using AddSectionToTheEnd.
This moves a hack from the generic assembler to the elf writer. It is also
a bit faster and should make other improvements easier.

llvm-svn: 120683
 2010-12-02 03:09:06 +00:00