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Author SHA1 Message Date
Evan Cheng
d615e606c4 Change Thumb2 jumptable codegen to one that uses two level jumps: 
Before:
      adr r12, #LJTI3_0_0
      ldr pc, [r12, +r0, lsl #2]
LJTI3_0_0:
      .long    LBB3_24
      .long    LBB3_30
      .long    LBB3_31
      .long    LBB3_32

After:
      adr r12, #LJTI3_0_0
      add pc, r12, +r0, lsl #2
LJTI3_0_0:
      b.w    LBB3_24
      b.w    LBB3_30
      b.w    LBB3_31
      b.w    LBB3_32

This has several advantages.
1. This will make it easier to optimize this to a TBB / TBH instruction +
   (smaller) table.
2. This eliminate the need for ugly asm printer hack to force the address
   into thumb addresses (bit 0 is one).
3. Same codegen for pic and non-pic.
4. This eliminate the need to align the table so constantpool island pass
   won't have to over-estimate the size.

Based on my calculation, the later is probably slightly faster as well since
ldr pc with shifter address is very slow. That is, it should be a win as long
as the HW implementation can do a reasonable job of branch predict the second
branch.

llvm-svn: 77024
 2009-07-25 00:33:29 +00:00
Evan Cheng
bddff8fbe0 Remove a duplicated test. 
llvm-svn: 77020
 2009-07-25 00:24:40 +00:00
Evan Cheng
5faed6335e Forgot this test earlier. 
llvm-svn: 77007
 2009-07-24 22:42:45 +00:00
Evan Cheng
b8b61017e8 Fix these tests. 
llvm-svn: 77006
 2009-07-24 22:42:22 +00:00
Eli Friedman
11e86150c4 Fix assert assembling zero-argument constant GEP. 
There's still a strict-aliasing violation here, but I don't feel like 
dealing with that right now...

llvm-svn: 77005
 2009-07-24 21:56:17 +00:00
Eric Christopher
24a620ec3d Move insertps tests to sse41 combo test file, convert to filecheck 
format and add an extract/insert test.

llvm-svn: 76994
 2009-07-24 19:24:26 +00:00
Evan Cheng
bbac2397c5 Convert a test to FileCheck. 
llvm-svn: 76954
 2009-07-24 06:01:46 +00:00
Chris Lattner
09511ed243 Remove SectionKind::Small*. This was only used on mips, and is apparently 
a sad mistake that is regretted. :)

llvm-svn: 76935
 2009-07-24 03:11:51 +00:00
Richard Osborne
19591063fc Add tests for handling of globals and tls on the XCore. These currently fail 
but pass when run against r76652.

llvm-svn: 76923
 2009-07-24 00:38:20 +00:00
Dan Gohman
62c8b40b66 Remove the IA-64 backend. 
llvm-svn: 76920
 2009-07-24 00:30:09 +00:00
Evan Cheng
90f66e1c4e Thumb2 does not allow the use of "pc" register as part of the load / store address. 
llvm-svn: 76909
 2009-07-23 23:09:51 +00:00
Evan Cheng
f6b88eae82 Fix up ARM constant island pass for Thumb2. 
Also fixed up code to fully use the SoImm field for ADR on ARM mode.

llvm-svn: 76890
 2009-07-23 18:27:47 +00:00
Andreas Bolka
fa70ad653b FileCheck'ize and expand LDA testcases. 
llvm-svn: 76880
 2009-07-23 15:56:53 +00:00
Chris Lattner
4c55a88118 testcase for PR4590 
llvm-svn: 76868
 2009-07-23 06:07:59 +00:00
Chris Lattner
0426853d67 merge vector-casts-0.ll into vector-casts.ll 
llvm-svn: 76864
 2009-07-23 05:33:39 +00:00
Chris Lattner
c687344f0c Make some existing optimizations that would only trigger on scalars 
also apply to vectors.  This allows us to compile this:

#include <emmintrin.h>
__m128i a(__m128 a, __m128 b) { return a==a & b==b; }
__m128i b(__m128 a, __m128 b) { return a!=a | b!=b; }

to:

_a:
	cmpordps	%xmm1, %xmm0
	ret
_b:
	cmpunordps	%xmm1, %xmm0
	ret

with clang instead of to a ton of horrible code.

llvm-svn: 76863
 2009-07-23 05:32:17 +00:00
Chris Lattner
f4474da353 convert a test to filecheck format. This fixes an endemic problem 
with negative tests: this test wasn't checking what it thought it was
because it was grepping .bc, not .ll.

llvm-svn: 76861
 2009-07-23 05:27:48 +00:00
Chris Lattner
7061a4300d rename test 
llvm-svn: 76860
 2009-07-23 05:25:12 +00:00
Chris Lattner
7fd20e69f1 merge one more sse41 test into sse41.ll 
llvm-svn: 76853
 2009-07-23 04:49:39 +00:00
Chris Lattner
efe5b9aaf8 merge another sse41 test into sse41.ll 
llvm-svn: 76852
 2009-07-23 04:43:48 +00:00
Chris Lattner
c59ca858c8 merge sse41-pmovx.ll into sse41.ll 
llvm-svn: 76850
 2009-07-23 04:39:09 +00:00
Chris Lattner
313c95ea84 change a test to run in filecheck style. Rename it to be a general 
dumping ground of various SSE4.1 tests, since filecheck can reasonably
handle them all in one file.  Generalize it to check x86-64 stuff as
well since it has a different ABI (a convenient way to test both the 
reg and mem forms of these instructions).

llvm-svn: 76848
 2009-07-23 04:33:02 +00:00
Eric Christopher
c9299d5756 Support insertps via the intrinsic and add a couple of simple 
testcases to make sure it's being generated.

llvm-svn: 76843
 2009-07-23 02:22:41 +00:00
Eric Christopher
36eeebc1c4 Add test for pinsrd and pinsrb instructions. 
llvm-svn: 76840
 2009-07-23 01:58:04 +00:00
Devang Patel
6b2162686a Derive MDNode from MetadataBase instead of Constant. Emit MDNodes into METADATA_BLOCK in bitcode file. 
llvm-svn: 76834
 2009-07-23 01:07:34 +00:00
Dan Gohman
0a0d23a081 Revert r75663 (and r76805), as it is causing regressions on powerpc. 
llvm-svn: 76823
 2009-07-23 00:09:46 +00:00
Dan Gohman
840e7f252e x86 isel tweak: use lea (%reg,%reg) instead of lea (,%reg,2). 
llvm-svn: 76817
 2009-07-22 23:26:55 +00:00
Dan Gohman
001d777207 Rename the new unsigned and signed keywords to nuw and nsw, 
which stand for no-unsigned-wrap and no-signed-wrap.

llvm-svn: 76810
 2009-07-22 22:44:56 +00:00
Dan Gohman
f1103cf95b Add -march=ppc32 lines so that this test doesn't ever default to ppc64. 
llvm-svn: 76805
 2009-07-22 22:08:31 +00:00
Evan Cheng
4a77f28c47 Use getTargetConstant instead of getConstant since it's meant as an constant operand. 
llvm-svn: 76803
 2009-07-22 22:03:29 +00:00
Dan Gohman
8b7a539e80 Make the grep line in this test more specific, to avoid 
unintended matches.

llvm-svn: 76802
 2009-07-22 22:02:42 +00:00
Evan Cheng
88dbc00ca7 Ignore undef uses. 
llvm-svn: 76799
 2009-07-22 21:51:42 +00:00
Devang Patel
b51f9d0246 Remove empty test. 
llvm-svn: 76763
 2009-07-22 18:09:11 +00:00
Devang Patel
5794cb80ad Introduce MetadataBase, a base class for MDString and MDNode. 
Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.

llvm-svn: 76759
 2009-07-22 17:43:22 +00:00
Duncan Sands
2a4535353f Revert commit 76707, it was breaking the llvm-gcc build 
on linux platforms.  The binutils assembler does not
recognize the "s" flag, see for example
http://sourceware.org/binutils/docs/as/Section.html 

llvm-svn: 76733
 2009-07-22 10:35:05 +00:00
Chris Lattner
ced616dd50 set the ELF "small" flag on objects that end up in .rodata.cst4 consistently, 
updating a mips testcase to expect it.

llvm-svn: 76707
 2009-07-22 00:41:56 +00:00
Dan Gohman
190d29cb5c Replace the original ad-hoc code for determining whether (v pred w) implies 
(x pred y) with more thorough code that does more complete canonicalization
before resorting to range checks. This helps it find more cases where
the canonicalized expressions match.

llvm-svn: 76671
 2009-07-21 23:03:19 +00:00
Evan Cheng
e0f52b2bf3 Remove a big test case. 
llvm-svn: 76669
 2009-07-21 22:52:04 +00:00
Bob Wilson
2a2501eca4 Fix ocaml tests for 64-bit MacOS systems. LLVM is currently built 
as 32-bit code by default, and if gcc defaults to 64-bit code then ocamlc
requires a -cc "gcc -arch i386" option.  We were hardcoding -cc g++
and throwing away any other compiler options that were determined when
ocamlc was configured and built.

llvm-svn: 76658
 2009-07-21 21:56:46 +00:00
Evan Cheng
192fc19379 Do not select tSXTB / tSXTH in thumb2 mode. 
llvm-svn: 76600
 2009-07-21 18:15:26 +00:00
Chris Lattner
ed8c3ea053 convert this test to filecheck format, which is faster and avoids false matches of "st" -> "stdin" 
llvm-svn: 76591
 2009-07-21 17:36:24 +00:00
Chris Lattner
788fa56eda add a testcase for the pic16 section handling stuff. 
llvm-svn: 76579
 2009-07-21 16:48:20 +00:00
Evan Cheng
c142755cec Another rewriter bug exposed by recent coalescer changes. ReuseInfo::GetRegForReload() should make sure the "switched" register is in the desired register class. I'm surprised this hasn't caused more failures in the past. 
llvm-svn: 76558
 2009-07-21 09:15:00 +00:00
Chris Lattner
fab15a5571 remove a very large testcase for now. 
llvm-svn: 76537
 2009-07-21 06:28:36 +00:00
Evan Cheng
0cf19155ef Fix a dagga combiner bug: avoid creating illegal constant. 
Is this really a winning transformation?
fold (shl (srl x, c1), c2) -> (shl (and x, (shl -1, c1)), (sub c2, c1)) or                                                                              
                              (srl (and x, (shl -1, c1)), (sub c1, c2))

llvm-svn: 76535
 2009-07-21 05:40:15 +00:00
Dan Gohman
f2c6e6a1bd Add a testcase for PR2831. 
llvm-svn: 76527
 2009-07-21 01:02:18 +00:00
Dan Gohman
7a836d6400 Add a testcase for PR4569, which is now fixed. 
llvm-svn: 76526
 2009-07-21 00:50:52 +00:00
Evan Cheng
949c2404a2 Fix ARM isle code that optimize multiply by constants which are power-of-2 +/- 1. 
llvm-svn: 76520
 2009-07-21 00:31:12 +00:00
Evan Cheng
443ae1d494 Cross RC coalescing is now on by default. 
llvm-svn: 76519
 2009-07-21 00:22:59 +00:00
Dan Gohman
74a435e9f1 The upper argument of ConstantRange is exclusive, not inclusive. 
llvm-svn: 76492
 2009-07-20 22:34:18 +00:00