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13204 Commits

Author SHA1 Message Date
Chris Lattner
f031e8ad01 Teach codegen to lower llvm.powi to an efficient (but not optimal) 
multiply sequence when the power is a constant integer.  Before, our
codegen for std::pow(.., int) always turned into a libcall, which was
really inefficient.

This should also make many gfortran programs happier I'd imagine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-01 03:32:16 +00:00
Chris Lattner
398ffba75f update this. To take the next step, llvm.powi should be generalized to work 
on integers as well and codegen should lower them to branch trees.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-01 01:29:26 +00:00
Benjamin Kramer
7f1a560b2f Replace a few more SmallVectors with arrays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92265 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-29 16:57:26 +00:00
Sanjiv Gupta
223497e1ef Extern declaration for unordered.f32 libcall was not being emitted. Fixed that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92242 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-29 03:24:34 +00:00
Chris Lattner
43469b6957 move debug info stuff out of line, allowing two #includes 
to go away from IRBuilder.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 21:45:40 +00:00
Benjamin Kramer
e55b15fa47 Add missing include (for inline PATypeHolder::get). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92222 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 12:27:56 +00:00
Sanjiv Gupta
917283a418 Fixed llc crash for zext (i1 -> i8) loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92201 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 04:53:24 +00:00
Sanjiv Gupta
8f17a36d31 Allow targets to specify the return type of libcalls that are generated for floating point comparisons, rather than hard-coding them as i32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92199 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:40:33 +00:00
Bill Wendling
202249a698 Mark variable used by 'assert' as 'unused'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:07:00 +00:00
Bill Wendling
57f08adbb3 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92197 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:05:36 +00:00
Bill Wendling
53df23cff4 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92196 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:04:53 +00:00
Bill Wendling
cc690b694a Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:01:06 +00:00
Bill Wendling
ab58f13839 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 02:00:30 +00:00
Bill Wendling
9bf50f45e7 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92193 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:57:39 +00:00
Bill Wendling
3ef10858de Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92186 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:42:12 +00:00
Bill Wendling
67f9dc2559 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92185 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:41:12 +00:00
Bill Wendling
c41b638d4a Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:36:02 +00:00
Bill Wendling
ce90c245ff Remove dead store. The initial value was never used, but always overridden. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92182 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:31:11 +00:00
Bill Wendling
079b6f5ee5 Add an "ATTRIBUTE_UNUSED" macro (and use it). It's for variables which are 
mainly used in debugging and/or assert situations. It should make the compiler
and the static analyzer stop nagging us about them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92181 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-28 01:20:29 +00:00
Eli Friedman
ba7b1c4db4 PR5886: Make sure IMUL32m is marked as setting EFLAGS, so scheduling doesn't 
do illegal stuff around it.  No testcase because the issue is very fragile.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-26 20:08:30 +00:00
Jakob Stoklund Olesen
1dbc38f52e Move kill flags when the same register occurs more than once in a sequence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:34:03 +00:00
Jakob Stoklund Olesen
158a2263bd Handle undef operands properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:42 +00:00
Jakob Stoklund Olesen
6528966eae Make insert position available to MergeOpsUpdate. 
Rearrange arguments.
No functional changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92053 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:37 +00:00
Jakob Stoklund Olesen
3063aed8d2 Perform kill flag calculations in new method. No functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92052 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:31 +00:00
Jakob Stoklund Olesen
f8e33e513f Move repeated code to a new method. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92051 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:28:23 +00:00
Sanjiv Gupta
76d2f9a4db Reapply 91904. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91996 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 11:19:09 +00:00
Sanjiv Gupta
7fb0ead091 Added missing patterns for subtract instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91995 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 10:56:02 +00:00
Sanjiv Gupta
6d48855a56 Reverting back 91904. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 09:46:01 +00:00
Chris Lattner
ac105c4dca really remove the instruction, don't just comment it out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:46:40 +00:00
Chris Lattner
9e3238303c completely eliminate the MOV16r0 'instruction'. The only 
interesting part of this is the divrem changes, which are
already tested by CodeGen/X86/divrem.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:45:04 +00:00
Sean Callanan
5227cc89f4 More fixes for Visual C++. Replaced several very small 
static inline functions with macros.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:32:29 +00:00
Chris Lattner
6a38182471 stop pattern matching 16-bit zero's of a register to MOV16r0, 
instead use the appropriate subreggy thing.  This generates identical
code on some large apps (thanks to Evan's cross class coalescing
stuff he did back in july).  This means that MOV16r0 can go away
completely in the future soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 01:30:26 +00:00
Jakob Stoklund Olesen
24b34f8f3e Add a SPR register class to the ARM target. 
Certain Thumb instructions require only SP (e.g. tSTRspi).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91944 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 23:54:44 +00:00
Sean Callanan
542eabcba6 Removed the "inline" keyword from the disassembler decoder, 
because the Visual C++ build does not build .c files as C99


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91935 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 22:51:40 +00:00
Sean Callanan
7fb35a2fd8 Fixes to the X86 disassembler: 
Made LEA memory operands emit only 4 MCInst operands.
Made the scale operand equal 1 for instructions that have no
SIB byte.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 21:12:55 +00:00
Jakob Stoklund Olesen
e9912dc553 Use proper move instructions. Make the verifier happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91914 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 18:49:55 +00:00
Evan Cheng
b1f4981333 Remove target attribute break-sse-dep. Instead, do not fold load into sse partial update instructions unless optimizing for size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 17:47:23 +00:00
Douglas Gregor
3dac3b7d23 Include based on the current path, since we already -I the X86 target's path. Fixes CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 17:25:11 +00:00
Sanjiv Gupta
66500208a5 While converting one of the operands to a memory operand, we need to check if it is Legal and does not result into a cyclic dep. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91904 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 14:25:37 +00:00
Bill Wendling
3ea3c24619 Add more plumbing. This time in the LowerArguments and "get" functions which 
return partial registers. This affected the back-end lowering code some.

Also patch up some places I missed before in the "get" functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91880 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 02:10:19 +00:00
Sean Callanan
06b766d1c0 Changed REG_* to MODRM_REG_* to avoid conflicts 
with symbols in AuroraUX's global namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91879 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 02:07:42 +00:00
Daniel Dunbar
baf2e35e18 Fix some may-be-uninitialized var warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:41:37 +00:00
Sean Callanan
0122c9051a Fixed library dependencies between the X86 disassembler and 
X86 codegen that were causing circular symbol dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91871 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:11:26 +00:00
Chris Lattner
ffc0574a12 print pcrel immediates as signed values instead of unsigned so that we 
get things like this out of the disassembler:

0x100000ecb: callq	-96

instead of:

0x100000ecb: callq	4294967200

rdar://7491123



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91864 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 00:44:05 +00:00
Anton Korobeynikov
7058f9c114 Mark FPW as allocable when frame address is taken. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91841 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 20:18:49 +00:00
Evan Cheng
102ebf16b6 Delete the instruction just before the function terminates for consistency sake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 19:53:39 +00:00
Eric Christopher
f4f43cb501 Fix setting and default setting of code model for jit. Do this 
by allowing backends to override routines that will default
the JIT and Static code generation to an appropriate code model
for the architecture.

Should fix PR 5773.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91824 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 08:15:29 +00:00
Eli Friedman
1f1b0f748d A couple minor README updates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91823 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-21 08:03:16 +00:00
Daniel Dunbar
d4f84dadda Remove unused variable (noticed by clang++). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91780 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-19 18:58:49 +00:00
Daniel Dunbar
c814346c9d #if 0 out X86 disassembler for now, it is breaking the build in multiple places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-19 17:11:53 +00:00