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5228 Commits

Author SHA1 Message Date
Devang Patel
047ba6df54 Simplify internalize pass. Add test case. 
Patch by Matthijs Kooijman!

llvm-svn: 51114
 2008-05-14 20:01:01 +00:00
Dan Gohman
cd29e1fa60 When bit-twiddling CondCode values for integer comparisons produces 
SETOEQ, is it does with (SETEQ & SETULE), map it to SETEQ.

llvm-svn: 51112
 2008-05-14 18:17:09 +00:00
Tanya Lattner
ecd5a9390a Check if llvm-gcc is available before running tests. Patch by Matthijs Kooijman! 
llvm-svn: 51108
 2008-05-14 16:32:44 +00:00
Duncan Sands
d1ee8534e8 Make this test pass on x86-32 linux. 
llvm-svn: 51099
 2008-05-14 09:46:01 +00:00
Dale Johannesen
676a1d026b Fix for PR 2323, infinite loop in tail dup. 
llvm-svn: 51063
 2008-05-13 20:06:43 +00:00
Evan Cheng
9e15622879 Instead of a vector load, shuffle and then extract an element. Load the element from address with an offset. 
pshufd $1, (%rdi), %xmm0
        movd %xmm0, %eax
=>
        movl 4(%rdi), %eax

llvm-svn: 51026
 2008-05-13 08:35:03 +00:00
Owen Anderson
f67c06279b Add a testcase for non-local CSE of read-only calls. 
llvm-svn: 51025
 2008-05-13 08:17:44 +00:00
Evan Cheng
e4ee4c2870 On x86, it's safe to treat i32 load anyext as a normal i32 load. Ditto for i8 anyext load to i16. 
llvm-svn: 51019
 2008-05-13 00:54:02 +00:00
Evan Cheng
fcbdc8bd6e Xform bitconvert(build_pair(load a, load b)) to a single load if the load locations are at the right offset from each other. 
llvm-svn: 51008
 2008-05-12 23:04:07 +00:00
Dale Johannesen
b54491d31a New test for tail merging 
llvm-svn: 51007
 2008-05-12 22:59:44 +00:00
Mikhail Glushenkov
18508c5df4 Filter option names to escape symbols not allowed as C++ identifiers. 
Makes it possible to use options with names like "Wa,".
Also fixes the -Wall option handling as a side-effect.

llvm-svn: 50973
 2008-05-12 16:33:06 +00:00
Duncan Sands
45b1810980 Testcase for PR2264. 
llvm-svn: 50965
 2008-05-12 13:01:19 +00:00
Duncan Sands
15622620d3 Testcase for PR2303. 
llvm-svn: 50951
 2008-05-10 16:43:10 +00:00
Evan Cheng
c19c639ad7 When transforming a vector_shuffle to a load, the base address must not be an undef. 
llvm-svn: 50940
 2008-05-10 06:46:49 +00:00
Evan Cheng
fc4b8e1d96 Add nounwind. 
llvm-svn: 50931
 2008-05-10 02:22:25 +00:00
Evan Cheng
cf4d5567d5 If all sources of a PHI node are defined by an implicit_def, just emit an implicit_def instead of a copy. 
llvm-svn: 50927
 2008-05-10 00:17:50 +00:00
Evan Cheng
2adea48f7e Add a pattern to do move the low element of a v4f32 and zero extend the rest. 
llvm-svn: 50922
 2008-05-09 23:37:55 +00:00
Evan Cheng
3493e43afd Handle a few more cases of folding load i64 into xmm and zero top bits. 
Note, some of the code will be moved into target independent part of DAG combiner in a subsequent patch.

llvm-svn: 50918
 2008-05-09 21:53:03 +00:00
Evan Cheng
a0688bf1cb Simplify test. 
llvm-svn: 50911
 2008-05-09 19:56:32 +00:00
Chris Lattner
02ca137915 Implement PR2298. This transforms: 
~x < ~y --> y < x
   -x == -y --> x == y

llvm-svn: 50882
 2008-05-09 05:19:28 +00:00
Evan Cheng
f824b47188 Use movq to move low half of XMM register and zero-extend the rest. 
llvm-svn: 50874
 2008-05-08 22:35:02 +00:00
Chris Lattner
4c1ef3628b More than just loads can read from memory: readonly calls like strlen 
also need to be checked for memory modifying instructions before we
can sink them.  THis fixes the second half of PR2297.

llvm-svn: 50860
 2008-05-08 17:37:37 +00:00
Chris Lattner
cba8b4c7e8 Make instcombine's DSE respect loads as well as stores. It is not safe to 
delete the first store in:

store x -> p
load p
store y -> p

This is for PR2297.

llvm-svn: 50859
 2008-05-08 17:20:30 +00:00
Chris Lattner
9bf499a8b9 new testcase. 
llvm-svn: 50841
 2008-05-08 04:55:51 +00:00
Evan Cheng
f97e716511 Handle vector move / load which zero the destination register top bits (i.e. movd, movq, movss (addr), movsd (addr)) with X86 specific dag combine. 
llvm-svn: 50838
 2008-05-08 00:57:18 +00:00
Evan Cheng
7ff000c175 Add nounwind. 
llvm-svn: 50837
 2008-05-07 22:59:08 +00:00
Evan Cheng
c86c035346 Yet another nasty spiller bug. 
%ecx = op
store %cl<kill>, (addr)
(addr) = op %al

It's not safe to unfold the last operand and eliminate store even though %cl is marked kill. It's a sub-register use which means one of its super-register(s) may be used below.

llvm-svn: 50794
 2008-05-07 00:49:28 +00:00
Dan Gohman
6ea87fa437 Fix a bug in the ComputeMaskedBits logic for multiply. 
llvm-svn: 50793
 2008-05-07 00:35:55 +00:00
Bill Wendling
3cb8ee3c80 Removing. 
llvm-svn: 50786
 2008-05-06 23:56:22 +00:00
Anton Korobeynikov
a9ff11ea5f Use target triple in tests, not 'realign-stack=0' option. Per request. 
llvm-svn: 50778
 2008-05-06 23:09:29 +00:00
Owen Anderson
2dccdcf2f2 Testcase for r50770. 
llvm-svn: 50771
 2008-05-06 21:01:34 +00:00
Mikhail Glushenkov
5a403195b3 Move test files around a bit - fixes the reported number of test cases. 
llvm-svn: 50761
 2008-05-06 18:16:20 +00:00
Mikhail Glushenkov
3534026221 Use edge weights to choose the right linker based on input language names. 
llvm-svn: 50759
 2008-05-06 18:15:12 +00:00
Mikhail Glushenkov
78aa308f84 Add a --linker command-line option, make all tests pass. 
llvm-svn: 50755
 2008-05-06 18:13:00 +00:00
Mikhail Glushenkov
ffc7ee62c0 Add two (currently failing) tests. 
llvm-svn: 50752
 2008-05-06 18:11:21 +00:00
Mikhail Glushenkov
dc50e8c5fa Take object file as input and handle files with the same name correctly. 
llvm-svn: 50749
 2008-05-06 18:10:20 +00:00
Mikhail Glushenkov
40b652c238 First small tests for llvmc2. 
llvm-svn: 50734
 2008-05-06 17:24:54 +00:00
Duncan Sands
c96ff82e3e Testcase for PR2292. 
llvm-svn: 50718
 2008-05-06 14:56:40 +00:00
Evan Cheng
a84ed06284 Fix PR2287. Darwin passes mmx values in register in 64-mode, not Linux. 
llvm-svn: 50716
 2008-05-06 07:23:50 +00:00
Dan Gohman
faf9df7227 Correct the value of LowBits in srem and urem handling in 
ComputeMaskedBits.

llvm-svn: 50692
 2008-05-06 00:51:48 +00:00
Chris Lattner
50d16c2939 Fix a crash when threading a block that includes a MRV call result. 
DemoteRegToStack doesn't work with MRVs yet, because it relies on the
ability to load/store things.

This fixes PR2285.

llvm-svn: 50667
 2008-05-05 20:21:22 +00:00
Mon P Wang
84a269e023 Added addition atomic instrinsics and, or, xor, min, and max. 
llvm-svn: 50663
 2008-05-05 19:05:59 +00:00
Chris Lattner
ca94848f66 no need for eh info 
llvm-svn: 50658
 2008-05-05 18:24:33 +00:00
Dan Gohman
c860d9c77c Add AsmPrinter support for emitting a directive to declare that 
the code being generated does not require an executable stack.

Also, add target-specific code to make use of this on Linux
on x86. 

llvm-svn: 50634
 2008-05-05 00:28:39 +00:00
Owen Anderson
611b415d12 Fix PR1098 by correcting the postdominators analysis. 
Patch by Florian Brandner.

llvm-svn: 50628
 2008-05-04 21:07:35 +00:00
Evan Cheng
a7747df955 Select vector shift with non-immediate i32 shift amount operand by first moving the operand into the right register. 
llvm-svn: 50619
 2008-05-04 09:15:50 +00:00
Evan Cheng
c1c2adbfc6 Add separate intrinsics for MMX / SSE shifts with i32 integer operands. This allow us to simplify the horribly complicated matching code. 
llvm-svn: 50601
 2008-05-03 00:52:09 +00:00
Chris Lattner
5346b6b0a7 verify builtin optimization works like gcc. 
llvm-svn: 50594
 2008-05-02 22:07:34 +00:00
Dan Gohman
27156711ef Fix a mistake in the computation of leading zeros for udiv. 
llvm-svn: 50591
 2008-05-02 21:30:02 +00:00
Chris Lattner
96467cc665 strength reduce exp2 into ldexp, rdar://5852514 
llvm-svn: 50586
 2008-05-02 18:43:35 +00:00