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Author SHA1 Message Date
Jeff Cohen
7b8229a146 Actually, semantical doesn't appear to be a word. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27983 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 21:03:17 +00:00
Chris Lattner
97156e7984 Implement Transforms/IndVarsSimplify/complex-scev.ll, a case where we didn't 
recognize some simple affine IV's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27982 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:34:07 +00:00
Chris Lattner
3e0d4b9810 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27981 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:32:59 +00:00
Evan Cheng
9191dbba8e Fix fastcc failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27980 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:21:31 +00:00
Chris Lattner
ae9a9934aa Unfortunately this really isn't the place for advertisement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27979 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:10:59 +00:00
Jeff Cohen
83490d3951 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27978 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:05:25 +00:00
Reid Spencer
c87f497f06 Fix some anchors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27977 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 15:46:53 +00:00
Reid Spencer
501bfee717 Add some notes about the current state of source (front end) languages 
so we can point to them on llvm-dev.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27976 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 14:52:19 +00:00
Evan Cheng
1bc7804e4c Switching over FORMAL_ARGUMENTS mechanism to lower call arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27975 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 01:20:17 +00:00
Evan Cheng
3b0d286d00 Don't forget return void. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27974 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 23:03:35 +00:00
Nate Begeman
add19dc20a Keep the stack from on darwin 16-byte aligned. This fixes many JIT 
failres.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27973 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 20:54:26 +00:00
Evan Cheng
0db9fe6775 Separate LowerOperation() into multiple functions, one per opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27972 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 20:13:52 +00:00
Andrew Lenharth
94a8d7785c slightly more useful error message 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27971 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 19:33:41 +00:00
Andrew Lenharth
ceeb17d8d8 better c99 struct handling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27970 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 19:33:23 +00:00
Andrew Lenharth
044edfe019 another c99 style problem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27969 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 19:27:56 +00:00
Evan Cheng
3d1be07141 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27968 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 17:48:41 +00:00
Nate Begeman
c34b22716b Fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27967 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 17:46:32 +00:00
Nate Begeman
b3f70d7d55 No functionality changes, but cleaner code with correct comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27966 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 04:45:59 +00:00
Evan Cheng
a2137b592e Explicitly specify result type for def : Pat<> patterns (if it produces a vector 
result). Otherwise tblgen will pick the default (v16i8 for 128-bit vector).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27965 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 00:50:01 +00:00
Evan Cheng
a7fc64222a Added X86 SSE2 intrinsics which can be represented as vector_shuffles. This is 
a temporary workaround for the 2-wide vector_shuffle problem (i.e. its mask
would have type v2i32 which is not legal).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27964 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 23:34:56 +00:00
Evan Cheng
d7ec518927 Add a new entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27963 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 23:30:10 +00:00
Evan Cheng
fc3c17546b Added a movq test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27962 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 23:03:22 +00:00
Evan Cheng
37d1d9bc66 Special case handling two wide build_vector(0, x). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27961 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 22:58:52 +00:00
Evan Cheng
64e9769339 Some missing movlps, movhps, movlpd, and movhpd patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27960 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 21:58:20 +00:00
Evan Cheng
c78d3b43f5 A little bit more build_vector enhancement for v8i16 cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27959 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 18:01:45 +00:00
Evan Cheng
86661f4879 Remove a completed entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27958 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 17:38:16 +00:00
Chris Lattner
8e9f2ceea3 Suggest looking at the SPARC backend. How weird is that?? :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27957 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 16:34:45 +00:00
Evan Cheng
ccdcdf3e2e Added addJumpTableIndex 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27956 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 06:42:15 +00:00
Evan Cheng
49bca8536c MakeMIInst() should handle jump table index operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27955 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 05:37:35 +00:00
Chris Lattner
57a6c135f2 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27954 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 19:47:09 +00:00
Evan Cheng
9293451e3f MOVL shuffle (i.e. movd or movss / movsd from memory) of undef, V2 == V2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27953 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 06:35:19 +00:00
Nate Begeman
9453eea49b Fix the updating of the machine CFG when a PHI node was in a successor of 
the jump table's range check block.  This re-enables 100% dense jump tables
by default on PPC & x86


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27952 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 06:26:20 +00:00
Jeff Cohen
84bfed087b Keep Visual Studio informed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27951 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 04:37:08 +00:00
Nate Begeman
3700a4d3a2 Code cleanup associated with jump tables, thanks to Chris for noticing 
these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27950 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 23:52:35 +00:00
Nate Begeman
05f9466cf0 Turn of jump tables for a bit, there are still some issues to work out with 
updating the machine CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27949 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 23:51:56 +00:00
Nate Begeman
a766765358 Optimized stores to the constant pool, while cool, are unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27948 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 22:31:45 +00:00
Nate Begeman
37efe67645 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 18:53:45 +00:00
Evan Cheng
1900c012f5 Don't do all the lowering stuff for 2-wide build_vector's. Also, minor optimization for shuffle of undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27946 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 08:34:05 +00:00
Evan Cheng
a083af14c8 Fix a performance regression. Use {p}shuf* when there are only two distinct elements in a build_vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 06:21:46 +00:00
Evan Cheng
ee183471a6 Two more build_vector tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27944 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 06:19:11 +00:00
Chris Lattner
ea4a9c575f Teach the JIT how to relocate LI, this fixes the JIT on Prolangs-C/TimberWolfMC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27943 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 06:17:56 +00:00
Chris Lattner
776eb6b21e This no longer needs the JIT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27942 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 05:04:23 +00:00
Chris Lattner
b003d76cb3 Fix JIT support for static ctors, which was apparently completely broken! 
This allows Prolangs-C++/city and probably a bunch of other stuff to work
well with the new front-end


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27941 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 05:02:46 +00:00
Evan Cheng
ba05f728b5 Revamp build_vector lowering to take advantage of movss and movd instructions. 
movd always clear the top 96 bits and movss does so when it's loading the
value from memory.
The net result is codegen for 4-wide shuffles is much improved. It is near
optimal if one or more elements is a zero. e.g.

__m128i test(int a, int b) {
  return _mm_set_epi32(0, 0, b, a);
}

compiles to

_test:
	movd 8(%esp), %xmm1
	movd 4(%esp), %xmm0
	punpckldq %xmm1, %xmm0
	ret

compare to gcc:

_test:
	subl	$12, %esp
	movd	20(%esp), %xmm0
	movd	16(%esp), %xmm1
	punpckldq	%xmm0, %xmm1
	movq	%xmm1, %xmm0
	movhps	LC0, %xmm0
	addl	$12, %esp
	ret

or icc:

_test:
        movd      4(%esp), %xmm0                                #5.10
        movd      8(%esp), %xmm3                                #5.10
        xorl      %eax, %eax                                    #5.10
        movd      %eax, %xmm1                                   #5.10
        punpckldq %xmm1, %xmm0                                  #5.10
        movd      %eax, %xmm2                                   #5.10
        punpckldq %xmm2, %xmm3                                  #5.10
        punpckldq %xmm3, %xmm0                                  #5.10
        ret                                                     #5.10

There are still room for improvement, for example the FP variant of the above example:

__m128 test(float a, float b) {
  return _mm_set_ps(0.0, 0.0, b, a);
}

_test:
	movss 8(%esp), %xmm1
	movss 4(%esp), %xmm0
	unpcklps %xmm1, %xmm0
	xorps %xmm1, %xmm1
	movlhps %xmm1, %xmm0
	ret

The xorps and movlhps are unnecessary. This will require post legalizer optimization to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27939 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 23:03:30 +00:00
Nate Begeman
d9993b0b2d Fix the comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27938 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 22:11:27 +00:00
Nate Begeman
6fcbd6961d Change the PPC JIT to use a Static relocation model 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27937 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 22:04:15 +00:00
Chris Lattner
99d3c276cc typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27936 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 21:37:40 +00:00
Chris Lattner
6e68a7752b fix thinko 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27935 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 21:05:22 +00:00
Chris Lattner
3e663a6c16 add some low-prio notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27934 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 21:03:21 +00:00
Chris Lattner
4a1cd9c61e The BFS scheduler is apparently nondeterminstic (causes many llvmgcc bootstrap 
miscompares).  Switch RISC targets to use the list-td scheduler, which isn't.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27933 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 17:16:16 +00:00