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87 Commits

Author SHA1 Message Date
Dan Gohman
b8cab9227a Fix command-line option printing to print two spaces where needed, 
instead of requiring all "short description" strings to begin with
two spaces. This makes these strings less mysterious, and it fixes
some cases where short description strings mistakenly did not
begin with two spaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 20:25:08 +00:00
Owen Anderson
95dad830bb Add an option to enable StrongPHIElimination, for ease of testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57259 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 20:22:28 +00:00
Devang Patel
4ae641f4d1 Remove OptimizeForSize global. Use function attribute optsize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 23:18:38 +00:00
Bill Wendling
1ed49fb74b Accidental commit of partial 'stack canaries' code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 18:12:00 +00:00
Bill Wendling
a425e0073d Reverting r55898 to r55909. One of these patches was causing an ICE during the full bootstrap on Darwin: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -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
-DSHARED -m64 -DL_negdi2 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_negdi2_s.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) &&
TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical
register live information"), function runOnMachineFunction, file
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp,
line 311.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -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
-DSHARED -m64 -DL_lshrdi3 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_lshrdi3_s.o
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
{standard input}:unknown:Undefined local symbol LBB21_11
{standard input}:unknown:Undefined local symbol LBB21_12
{standard input}:unknown:Undefined local symbol LBB21_13
{standard input}:unknown:Undefined local symbol LBB21_8


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 17:59:12 +00:00
Owen Anderson
6ac8df7f61 This option doesn't need to be a target option. It can be in SDISel instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54336 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 00:27:28 +00:00
Owen Anderson
bd3ba461eb - Fix SelectionDAG to generate correct CFGs. 
- Add a basic machine-level dead block eliminator.

These two have to go together, since many other parts of the code generator are unable to handle the unreachable blocks otherwise created.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54333 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:54:43 +00:00
Dale Johannesen
7232464bda Add a flag to disable jump table generation (all 
switches use the binary search algorithm) for
environments that don't support it.  PPC64 JIT
is such an environment; turn the flag on for that.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54248 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-31 18:13:12 +00:00
Evan Cheng
6547e406cf Avoid creating expensive comment string if it's not going to be printed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52992 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 23:18:29 +00:00
Evan Cheng
89df08c8a0 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51792 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-30 22:39:18 +00:00
Dan Gohman
844731a7f1 Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-13 00:00:25 +00:00
Dan Gohman
4a3f6c8882 Make several variable declarations static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-06 01:53:16 +00:00
Dan Gohman
3c02aca238 Make these variables static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50196 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 23:15:23 +00:00
Anton Korobeynikov
45709ae09b Make stack alignment options global for all targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50157 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:18:10 +00:00
Dale Johannesen
3541af73b6 Reverse sense of unwind-tables option. This means 
stack tracebacks on Darwin x86-64 won't work by default;
nevertheless, everybody but me thinks this is a good idea.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49663 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-14 17:54:17 +00:00
Dale Johannesen
e8277dc7d6 Rename -disable-required-unwind-tables to unwind-tables-optional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49389 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 18:07:49 +00:00
Dale Johannesen
4e1b79459f Implement new llc flag -disable-required-unwind-tables. 
Corresponds to -fno-unwind-tables (usually default in gcc).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49361 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 00:10:24 +00:00
Evan Cheng
2659343f04 Rename option -optimizefor-size to -optimize-size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48804 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 22:28:39 +00:00
Devang Patel
55c666a867 Add optimize-for-size knob. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48793 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 21:02:35 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Arnold Schwaighofer
c85e1716f0 Added tail call optimization to the x86 back end. It can be 
enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42870 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-11 19:40:01 +00:00
Evan Cheng
e5f6204cd5 Enabling new condition code modeling scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42459 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 00:00:36 +00:00
Evan Cheng
a3602685b3 New temporary option -new-cc-modeling-scheme to test the new cc modeling scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:50:04 +00:00
Chris Lattner
a7ad3d1ed3 expose HonorSignDependentRoundingFPMathOption to .td files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36658 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 00:27:11 +00:00
Chris Lattner
aa4f1e164b Add a new option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 00:16:07 +00:00
Chris Lattner
3e1b03f98d Fix a message, patch by Christopher Lamb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36264 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-19 18:42:38 +00:00
Jim Laskey
73c5624375 rename flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33634 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-29 22:40:03 +00:00
Jim Laskey
1b340dc8e2 Flag to control exception handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33628 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-29 20:48:32 +00:00
Anton Korobeynikov
5032e5a613 * Fix one more bug in PIC codegen: extra load is needed for *all* 
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33299 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-17 10:33:08 +00:00
Bill Wendling
e911615c47 Revert patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-17 09:06:13 +00:00
Bill Wendling
cc91f5862c Create/store/and delete the TargetObjInfo object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33290 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-17 03:50:41 +00:00
Evan Cheng
c9ab2f39ce Added option -soft-float to generate SW fp library calls instead of fp instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32393 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-09 02:41:30 +00:00
Jim Laskey
fde1b3bb2f 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30169 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 23:39:26 +00:00
Jim Laskey
a0f3d17daa Make target asm info a property of the target machine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30162 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 22:06:40 +00:00
Chris Lattner
3199af2874 remove #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30078 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 04:06:01 +00:00
Chris Lattner
c4fa386471 Simplify target construction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30070 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 18:44:02 +00:00
Jim Laskey
85aaf9088e Tidy up options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29953 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 15:13:10 +00:00
Chris Lattner
35d86fef1f Rename RelocModel::PIC to PIC_, to avoid conflicts with -DPIC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29307 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-26 21:12:04 +00:00
Evan Cheng
152ed05353 Added option -code-model to set code model (only used in 64-bit) mode. Valid 
values include small, kernel, medium, large, and default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-06 01:53:36 +00:00
Reid Spencer
077b387207 For PR786: 
Remove a spurious ;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28452 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 19:05:21 +00:00
Chris Lattner
d74ea2bbd8 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28447 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:04:05 +00:00
Evan Cheng
80235d508e -enable-unsafe-fp-math implies -enable-finite-only-fp-math 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 18:18:46 +00:00
Evan Cheng
95942d76f4 Added option -enable-finite-only-fp-math. When on, the codegen can assume that 
FP arithmetic arguments and results are never NaNs or +=Infs. This includes
ignoring parity flag (PF) when checking for FP equality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 06:39:12 +00:00
Owen Anderson
a69571c799 Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 01:29:57 +00:00
Chris Lattner
bc641b9d8b Eliminate IntrinsicLowering from TargetMachine. 
Make the CBE and V9 backends create their own, since they're the only ones that use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26974 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 05:43:16 +00:00
Evan Cheng
4c1aa86657 - Added option -relocation-model to set relocation model. Valid values include static, pic, 
dynamic-no-pic, and default.
PPC and x86 default is dynamic-no-pic for Darwin, pic for others.
- Removed options -enable-pic and -ppc-static.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26315 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-22 20:19:42 +00:00
Nate Begeman
73bfa71524 Remove the X86 and PowerPC Simple instruction selectors; their time has 
passed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22886 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 23:53:15 +00:00
Nate Begeman
f63be7d395 First round of support for doing scalar FP using the SSE2 ISA extension and 
XMM registers.  There are many known deficiencies and fixmes, which will be
addressed ASAP.  The major benefit of this work is that it will allow the
LLVM register allocator to allocate FP registers across basic blocks.

The x86 backend will still default to x87 style FP.  To enable this work,
you must pass -enable-sse-scalar-fp and either -sse2 or -sse3 to llc.

An example before and after would be for:
double foo(double *P) { double Sum = 0; int i; for (i = 0; i < 1000; ++i)
                        Sum += P[i]; return Sum; }

The inner loop looks like the following:
x87:
.LBB_foo_1:     # no_exit
        fldl (%esp)
        faddl (%eax,%ecx,8)
        fstpl (%esp)
        incl %ecx
        cmpl $1000, %ecx
        #FP_REG_KILL
        jne .LBB_foo_1  # no_exit

SSE2:
        addsd (%eax,%ecx,8), %xmm0
        incl %ecx
        cmpl $1000, %ecx
        #FP_REG_KILL
        jne .LBB_foo_1  # no_exit


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22340 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-06 18:59:04 +00:00
Chris Lattner
7d93727bb2 capitalize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21962 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 19:48:34 +00:00
Chris Lattner
34f74a6162 Expose an option allowing unsafe math optimizations. Patch contributed by 
Morten Ofstad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21630 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-30 04:09:52 +00:00