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3b48501adc
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4627 Commits

Author SHA1 Message Date
Chris Lattner
3b48501adc Teach MatchScaledValue to handle Scales by 1 with MatchAddr (which 
can recursively match things) and scales by 0 by ignoring them.
This triggers once in 403.gcc, saving 1 (!!!!) instruction in the 
whole huge app.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60013 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-25 07:25:26 +00:00
Chris Lattner
88a5c832ac significantly refactor all the addressing mode matching logic 
into a new AddressingModeMatcher class.  This makes it easier
to reason about and reduces passing around of stuff, but has
no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60012 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-25 07:09:13 +00:00
Chris Lattner
bb3204a440 refactor all the constantexpr/instruction handling code out into a 
new FindMaximalLegalAddressingModeForOperation helper method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60011 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-25 05:15:49 +00:00
Chris Lattner
7ad1c7342b another minor tweak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60010 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-25 04:47:41 +00:00
Chris Lattner
088a1e84ea minor cleanups no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-25 04:42:10 +00:00
Chris Lattner
85fa13c02d rearrange and tidy some code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-24 22:44:16 +00:00
Chris Lattner
4744d85c50 minor cleanups to debug code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59989 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-24 22:40:05 +00:00
Chris Lattner
ae297f8da5 reenable the right part of the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-24 21:26:21 +00:00
Chris Lattner
7f2d6efbaa revert an accidental commit, this fixes the regression on test/CodeGen/X86/isel-sink.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59976 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-24 19:40:34 +00:00
Chris Lattner
47f5751c80 Fix 3113: If we have a dead cyclic PHI, replace the whole thing 
with an undef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-24 19:25:36 +00:00
Devang Patel
50cacb2a52 Fix build failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59844 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 21:00:20 +00:00
Devang Patel
59500c8f9a Silence unused variable warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59841 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 20:00:59 +00:00
Chris Lattner
824b958e6f reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an 
arbitrary integer width for the count.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59823 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 16:42:48 +00:00
Bill Wendling
dc770929cb Revert r59802. It was breaking the build of llvm-gcc: 
g++ -m32 -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wmissing-format-attribute -fno-common -mdynamic-no-pic -DHAVE_CONFIG_H -Wno-unused -DTARGET_NAME=\"i386-apple-darwin9.5.0\" -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include ../../llvm-gcc.src/gcc/llvm-types.cpp -o llvm-types.o
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemCpy(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemMove(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemSet(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i64' is not a member of 'llvm::Intrinsic'
make[3]: *** [llvm-convert.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59809 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 09:09:41 +00:00
Sanjiv Gupta
219ab405e6 Make mem[cpy,move,set] intrinsics overloaded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59802 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 07:49:09 +00:00
Nick Lewycky
0c73079855 Optimize (x/y)*y into x-(x%y) in general. Div and rem are about the same, and 
a subtract is cheaper than a multiply. This generalizes an existing transform.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59800 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 07:33:58 +00:00
Devang Patel
cb9a354d13 Fix unused variable warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59778 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 01:52:59 +00:00
Bill Wendling
66c75aaa02 Fix error where it wasn't getting the correct caller function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59758 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 00:09:21 +00:00
Bill Wendling
8c1604e7d6 If the function being inlined has a higher stack protection level than the 
inlining function, then increase the stack protection level on the inlining
function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59757 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-21 00:06:32 +00:00
Devang Patel
e0de705eb7 Don't forget arguments! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59745 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 19:50:17 +00:00
Devang Patel
f23de86fa3 Do not forget llvm.dbg.declare's first argument while removing debugging information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:20:42 +00:00
Oscar Fuentes
eb22065a35 CMake: Removed source file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:32:19 +00:00
Devang Patel
dfca407c79 Do not use separate utility to walk all instructions and remove dead dbg intrinsics. Let instcombiner do this job. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:01:37 +00:00
Devang Patel
b8f69c65df Let instcombiner remove redundant dbg intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:59:41 +00:00
Devang Patel
7fe1decf3a If there are two consecutive llvm.dbg.stoppoint calls then 
it is likely that the optimizer deleted code in between these
two intrinsics. Keep only the last llvm.dbg.stoppoint in this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:56:50 +00:00
Devang Patel
fb5fd5a0bb Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59570 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:22:02 +00:00
Devang Patel
b876cc193c Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:19:18 +00:00
Devang Patel
f17fc461d1 Add new helper pass that strips all symbol names except debugging information. 
This pass makes it easier to test wheter debugging info. influences optimization passes or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:34:39 +00:00
Devang Patel
4460a7e90c Remove even more llvm.dbg variables. 
Remove all dead globals from llvm.metadata.
Ignore linkonce linkage for selected llvm.dbg values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59547 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:13:41 +00:00
Devang Patel
4f3096b6af Initialize MallocFunc and FreeFunc properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 18:43:07 +00:00
Bill Wendling
9bef70609c Cast to remove warning about comparing signed and unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59518 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:57:27 +00:00
Devang Patel
13877bf6c2 Give SIToFPInst preference over UIToFPInst because it is faster on platforms that are widely used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 00:40:02 +00:00
Devang Patel
cd40233429 While handling floating point IVs lift restrictions on initial value and increment value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 23:27:13 +00:00
Devang Patel
84e3515974 Handle floating point ivs during doInitialization(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59466 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 21:32:02 +00:00
Devang Patel
b8c564f72e Let AnalyzeAlloca() remove debug intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59454 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 18:37:53 +00:00
Torok Edwin
b079a391c8 If SI->size() is 0, we are not allowed to dereference ->begin(). 
This fixed PR3078.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59416 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 17:21:25 +00:00
Chris Lattner
1a6111f32d eliminate some std::set's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59409 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 07:17:51 +00:00
Chris Lattner
3f914f0138 simplify loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59406 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 06:35:18 +00:00
Chris Lattner
cb504b95c5 simplify a bunch more instcombines to use m_Specific etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59403 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:38:51 +00:00
Chris Lattner
69d4ced68d factor the code for simplifying (icmp)|(icmp) into its own function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59402 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:20:07 +00:00
Chris Lattner
aa3e157845 do some computation with apints instead of ConstantInts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59401 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:14:43 +00:00
Chris Lattner
ea065fbdd8 merge a check into a place where it is simpler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59400 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:10:52 +00:00
Chris Lattner
29cd5ba621 factor a whole bunch of code out into a helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59398 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:06:21 +00:00
Chris Lattner
b9553d693b simplify the conditions on two gigantic if's, decreasing indentation 
a bit.  Next step is to factor out into their own helper functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59397 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:55:20 +00:00
Chris Lattner
6046fb7bef simplify some instcombine matches by using m_Specific 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59395 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:46:19 +00:00
Chris Lattner
321e6a6e82 Use new m_SelectCst template to eliminate macros. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59392 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:33:38 +00:00
Chris Lattner
a6a474dca9 simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59390 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:26:55 +00:00
Chris Lattner
a74cefa6d3 Handle the case where there is no "not". It is possible it got 
folded into the select.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59389 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:25:26 +00:00
Chris Lattner
faaf951fab factor a bunch of copy/paste code out into a helper function. 
Eliminate the cases checking for cond?0:-1, since that is already
handled by commutative checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59388 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:24:12 +00:00
Chris Lattner
1ca0c9922b rearrange some code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59381 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 03:56:24 +00:00