ebb8540067
Added support to fold X86 load / store instructions. This allow rematerialized loads to be folded into their uses.
...
llvm-svn: 41599
2007-08-30 05:54:07 +00:00
312b70a970
Add explicit triples to avoid default behavior that varies by host.
...
llvm-svn: 41510
2007-08-27 20:54:48 +00:00
dd94bde661
Remove this test as it is too hard to fix after the
...
latest EH changes, and in any case it is hard to
imagine how the original bug could be reintroduced.
llvm-svn: 41497
2007-08-27 17:08:14 +00:00
68b773df24
Fix this test: llvm-gcc-4.2 optimizes almost everything away,
...
resulting in zero matches, while llvm-gcc-4.1 manages to
remove one pointless selector changing the number of matches.
llvm-svn: 41494
2007-08-27 16:47:32 +00:00
90064ed445
Now that we don't output cleanups by default, the action
...
offset needs to be adjusted in this test.
llvm-svn: 41490
2007-08-27 16:30:05 +00:00
8dc0b93151
If the source and destination pointers in an llvm.memmove are known
...
to not alias each other, it can be translated as an llvm.memcpy.
llvm-svn: 41489
2007-08-27 16:26:13 +00:00
ff33241e16
call libc memcpy/memset if array size is bigger then threshold.
...
Coping 100MB array (after a warmup) shows that glibc 2.6.1 implementation on
x86-64 (core 2) is 30% faster (from 0.270917s to 0.188079s)
llvm-svn: 41479
2007-08-27 10:18:20 +00:00
24fb6b2f8c
Don't promote volatile loads/stores. This is needed (for example) to handle setjmp/longjmp properly.
...
This fixes PR1520.
llvm-svn: 41461
2007-08-26 21:43:30 +00:00
c1ef32ef3d
Constant split values needs upper bound and lower bound check, just like any other split value.
...
llvm-svn: 41389
2007-08-25 01:09:14 +00:00
2ed652f11d
Allow target constants to be illegal types. The target should
...
know how to handle them. This fixes
test/CodeGen/Generic/asm-large-immediate.ll
llvm-svn: 41388
2007-08-25 01:00:22 +00:00
4e63e1f5b5
While calculating upper loop bound for first loop and lower loop bound for second loop, take care of edge cases.
...
llvm-svn: 41387
2007-08-25 00:56:38 +00:00
a0f12c5493
Fix this testcase: there are two matches for
...
llvm.cttz.i64 because of the declaration of
the intrinsic. Also, emit-llvm is automatic
and doesn't need to be specified.
llvm-svn: 41326
2007-08-23 17:22:50 +00:00
544fdd27fb
update test to check that codegen works with llvm.used in llvm.metadata section
...
llvm-svn: 41289
2007-08-22 19:36:31 +00:00
9bbecaeb55
Testcase for llvm.c* intrinsic failures.
...
llvm-svn: 41268
2007-08-22 07:26:30 +00:00
d9a21103dc
Test handling of complex constants as lvalues.
...
llvm-svn: 41266
2007-08-22 05:58:22 +00:00
c2e2d15f45
Do not split loops rejected by processOneIterationLoop().
...
llvm-svn: 41194
2007-08-20 20:24:15 +00:00
28e82ccd09
Fix this test for gcc-4.2.
...
llvm-svn: 41187
2007-08-20 17:14:02 +00:00
595401079e
Test dag xform: Fold C ? 0 : 1 to ~C or zext(~C) or trunc(~C)
...
llvm-svn: 41164
2007-08-18 06:11:57 +00:00
cec2ad95f4
Add loop index split tests.
...
llvm-svn: 41146
2007-08-17 22:02:15 +00:00
2c4ea1e411
New test. Make sure dynamic_stackalloc size is rounded up.
...
llvm-svn: 41135
2007-08-16 23:52:23 +00:00
1393d88cc6
Update test: dynamic_stackalloc size *must* be rounded to ensure stack ptr be left in a valid state.
...
llvm-svn: 41134
2007-08-16 23:51:28 +00:00
4ba05408ac
add byval test
...
llvm-svn: 41123
2007-08-16 13:09:02 +00:00
789eb6ce87
Add a test to ensure that obvious link messages are actually produced on
...
the standard error.
llvm-svn: 41116
2007-08-16 07:22:43 +00:00
a392cd2fde
Implement FPOWI ExpandOp.
...
Fix PR1287.
llvm-svn: 41112
2007-08-15 22:13:27 +00:00
2047077272
Test case for PR1609.
...
llvm-svn: 41110
2007-08-15 20:30:10 +00:00
413a23d257
This test used "wc | grep ..."; convert it to use the count script.
...
llvm-svn: 41101
2007-08-15 13:55:47 +00:00
ada7205b76
Convert tests using "grep -c ... | grep ..." to use the count script.
...
llvm-svn: 41100
2007-08-15 13:49:33 +00:00
85c1e51b34
Delete extraneous uses of wc -l.
...
llvm-svn: 41099
2007-08-15 13:45:35 +00:00
5327cf7b48
Convert another test to use the count script. This one didn't fit the
...
regex used to convert all the others because the first '|' was on a
separate line.
llvm-svn: 41098
2007-08-15 13:42:36 +00:00
f9dd170e36
Convert tests using "| wc -l | grep ..." to use the count script.
...
llvm-svn: 41097
2007-08-15 13:36:28 +00:00
7fe896120e
New test.
...
llvm-svn: 41087
2007-08-14 23:34:50 +00:00
859a52072e
Test case for PR1596.
...
llvm-svn: 41085
2007-08-14 23:21:10 +00:00
687dbf1a99
tcl seems to hate |& for some reason.
...
llvm-svn: 41073
2007-08-14 16:19:35 +00:00
0e92458068
switch this to use fastcc to avoid fpstack traffic on x86-32. Switch to
...
using the count script instead of wc -l
llvm-svn: 41072
2007-08-14 16:14:10 +00:00
5c6d53d2ff
Update test case. A spill should now be deleted.
...
llvm-svn: 41070
2007-08-14 09:16:00 +00:00
5e221dbe8f
Spiller reuse test case.
...
llvm-svn: 41068
2007-08-14 05:51:03 +00:00
2814fe847d
Now capable of rematerializing coalesced live intervals.
...
llvm-svn: 41061
2007-08-13 23:54:16 +00:00
ccb3611881
When x86 addresses matching exceeds its recursion limit, check to
...
see if the base register is already occupied before assuming it can be
used. This fixes bogus code generation in the accompanying testcase.
llvm-svn: 41049
2007-08-13 20:03:06 +00:00
4e7f673f65
Fix PR1607
...
llvm-svn: 41048
2007-08-13 18:42:37 +00:00
3251377104
test that the ptr-to-method is succefully eliminated, leaving just the vtable dispatch.
...
llvm-svn: 41047
2007-08-13 17:17:03 +00:00
1399f64e3b
oops, forgot to commit this.
...
llvm-svn: 41034
2007-08-12 16:55:14 +00:00
99c8ee2977
Transform a load from an undef/zero global into an undef/global even if we
...
have complex pointer manipulation going on. This allows us to compile
stuff like this:
__m128i foo(__m128i x){
static const unsigned int c_0[4] = { 0, 0, 0, 0 };
__m128i v_Zero = _mm_loadu_si128((__m128i*)c_0);
x = _mm_unpacklo_epi8(x, v_Zero);
return x;
}
into:
_foo:
xorps %xmm1, %xmm1
punpcklbw %xmm1, %xmm0
ret
llvm-svn: 41022
2007-08-11 18:48:48 +00:00
030a59d967
Fix test so it passes.
...
llvm-svn: 41012
2007-08-10 22:20:57 +00:00
b372abab14
Increase efficiency of sign_extend_inreg by using subregisters for truncation. As the README suggests sign_extend_subreg is selected to (sext(trunc)).
...
llvm-svn: 41010
2007-08-10 21:48:46 +00:00
d36d30b53c
Add 2-addr to 3-addr promotion code that allows 32-bit LEA to be used via subregisters when 16-bit LEA is disabled.
...
llvm-svn: 41007
2007-08-10 21:18:25 +00:00
97b58e27e6
Add a test script for counting lines. This can be used instead of the
...
"| grep foo | wc -l | grep 2" idiom used by many tests, so that, for
example, tests don't mistakenly accept a count of 12 when 2 is
expected. Also, the new form is more consice: "| grep foo | count 2".
llvm-svn: 40988
2007-08-10 15:07:05 +00:00
a17799a3bd
Fix EXTRACT_ELEMENT, EXTRACT_SUBVECTOR, and EXTRACT_VECTOR_ELT to
...
use an intptr ValueType instead of i32 for the index operand in
getCopyToParts.
llvm-svn: 40987
2007-08-10 14:59:38 +00:00
a8e4b4bc7b
when we see a unaligned load from an insufficiently aligned global or
...
alloca, increase the alignment of the load, turning it into an aligned load.
This allows us to compile:
#include <xmmintrin.h>
__m128i foo(__m128i x){
static const unsigned int c_0[4] = { 0, 0, 0, 0 };
__m128i v_Zero = _mm_loadu_si128((__m128i*)c_0);
x = _mm_unpacklo_epi8(x, v_Zero);
return x;
}
into:
_foo:
punpcklbw _c_0.5944, %xmm0
ret
.data
.lcomm _c_0.5944,16,4 # c_0.5944
instead of:
_foo:
movdqu _c_0.5944, %xmm1
punpcklbw %xmm1, %xmm0
ret
.data
.lcomm _c_0.5944,16,2 # c_0.5944
llvm-svn: 40971
2007-08-09 19:05:49 +00:00
76fb226fd4
Add reference to problem report.
...
llvm-svn: 40889
2007-08-07 12:27:03 +00:00
6a5a2620ba
Fix PR1577, a crash on invalid bug.
...
llvm-svn: 40874
2007-08-06 21:00:37 +00:00
Evan Cheng