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5803 Commits

Author SHA1 Message Date
Dale Johannesen
40d00c0979 Be more precise about which conversions of NaNs 
are Inexact.  (These are not Inexact as defined
by IEEE754, but that seems like a reasonable way
to abstract what happens:  information is lost.)

llvm-svn: 57218
 2008-10-06 22:59:10 +00:00
Evan Cheng
88d76ffe8a Fix PR2850 and PR2863. Only generate movddup for 128-bit SSE vector shuffles. 
llvm-svn: 57210
 2008-10-06 21:13:08 +00:00
Devang Patel
ca66d093c0 Remove interfaces implemented by dead pass from the list of available passes. 
Patch By Matthijs Kooijman.

llvm-svn: 57202
 2008-10-06 20:36:36 +00:00
Evan Cheng
9b23fa5fb5 This is an objective-c test, not an objective-c++ one. 
llvm-svn: 57193
 2008-10-06 18:42:48 +00:00
Matthijs Kooijman
12cd5d041d Allow scalarrepl to treat an all-zero GEP just as bitcast. 
This includes not marking a GEP involving a vector as unsafe, but only when it
has all zero indices. This allows scalarrepl to work in a few more cases.

llvm-svn: 57177
 2008-10-06 16:23:31 +00:00
Duncan Sands
dcc1048912 Actually run Obj-C++ tests if llvm-gcc supports. 
Before there were two problems: (1) configure
turned "obj-c++" into "obj" in the langs line;
(2) the dejagnu library called it objc++ not
obj-c++.
Now the problem is that some of these tests don't
pass!

llvm-svn: 57167
 2008-10-06 10:31:21 +00:00
Chris Lattner
107e8f8b60 rewrite bswap matching to be more general, allowing arbitrary 
shifting and masking inside a bswap expr.  This allows it to handle
the cases from PR2842, which involve the intermediate 'or' 
expressions being shifted, not just the input value.

llvm-svn: 57095
 2008-10-05 02:13:19 +00:00
Duncan Sands
e22385630e Ignore loads from and stores to local memory (i.e. allocas) 
when deciding whether to mark a function readnone/readonly.
Since the pass is currently run before SROA, this may be
quite helpful.  Requested by Chris on IRC.

llvm-svn: 57050
 2008-10-04 13:24:24 +00:00
Nick Lewycky
53e751fcba Allow the construction of SCEVs with SCEVCouldNotCompute operands, by 
implementing folding. Fixes PR2857.

llvm-svn: 57049
 2008-10-04 11:19:07 +00:00
Anton Korobeynikov
4cc9051fbb Revert r56675 - it breaks unwinding runtime everywhere. 
llvm-svn: 57048
 2008-10-04 11:09:36 +00:00
Dan Gohman
638a8001c8 Fix a bug in the local allocator's liveness computation where it 
was setting kill flags on tied uses in two-address instructions.
The kill flags were causing the allocator to think it could
allocate the use and its tied def in different registers.

llvm-svn: 57039
 2008-10-04 00:31:14 +00:00
Devang Patel
55401473f9 Nick Lewycky's patch. 
While hosting instruction check PHI node.

llvm-svn: 57025
 2008-10-03 18:57:37 +00:00
Evan Cheng
bc226c3882 New test case. 
llvm-svn: 57023
 2008-10-03 18:12:59 +00:00
Dale Johannesen
dbd7b1bd33 Handle some 64-bit atomics on x86-32, some of the time. 
llvm-svn: 56963
 2008-10-02 18:53:47 +00:00
Dan Gohman
c48242640d Fix a think-o in isSafeToMove. This fixes it from thinking that 
volatile memory references are safe to move.

llvm-svn: 56948
 2008-10-02 15:04:30 +00:00
Dan Gohman
595edc380a Disable fast-isel for this test, as it doesn't emit the same 
number of instructions.

llvm-svn: 56940
 2008-10-01 23:48:35 +00:00
Devang Patel
d90556aed0 Attributes noinline alwaysinline are incompatible 
llvm-svn: 56939
 2008-10-01 23:41:25 +00:00
Devang Patel
a5cda569d3 Remove OptimizeForSize global. Use function attribute optsize. 
llvm-svn: 56937
 2008-10-01 23:18:38 +00:00
Dan Gohman
be88cf29b6 Split this test and move it into target-specific directories. 
This fixes failures on configurations that don't have one or the
other targets enabled.

llvm-svn: 56926
 2008-10-01 19:46:30 +00:00
Dan Gohman
5508abb3bf nounwind-ify this test. 
llvm-svn: 56918
 2008-10-01 15:07:14 +00:00
Dan Gohman
54356cf3ca Don't leave an output file in the test directory. 
llvm-svn: 56910
 2008-10-01 04:13:23 +00:00
Bill Wendling
c807050f44 Moved this option to the front-end. 
llvm-svn: 56901
 2008-10-01 01:02:18 +00:00
Dan Gohman
d456cc01eb Use explicit target-triples to unbreak this test on non-darwin systems. 
llvm-svn: 56896
 2008-10-01 00:25:38 +00:00
Bill Wendling
618d422cdd Just don't transform this memset into "bzero" if no-builtin is specified. 
llvm-svn: 56888
 2008-09-30 22:05:33 +00:00
Bill Wendling
86f6fdc7e3 - Initialize "--no-builtin" to "false". 
- Testcase for r56885.

llvm-svn: 56886
 2008-09-30 21:40:30 +00:00
Evan Cheng
1c8ff02eeb Re-apply 56835 along with header file changes. 
llvm-svn: 56848
 2008-09-30 15:44:16 +00:00
Duncan Sands
a2c8482495 Revert commit 56835 since it breaks the build. 
"If a re-materializable instruction has a register
operand, the spiller will change the register operand's
spill weight to HUGE_VAL to avoid it being spilled.
However, if the operand is already in the queue ready
to be spilled, avoid re-materializing it".

llvm-svn: 56837
 2008-09-30 10:00:30 +00:00
Evan Cheng
4eee17f4fb If a re-materializable instruction has a register operand, the spiller will change the register operand's spill weight to HUGE_VAL to avoid it being spilled. However, if the operand is already in the queue ready to be spilled, avoid re-materializing it. 
llvm-svn: 56835
 2008-09-30 06:36:58 +00:00
Nick Lewycky
9e918179c8 Fix misoptimization of: xor i1 (icmp eq (X, C1), icmp s[lg]t (X, C2)) 
llvm-svn: 56834
 2008-09-30 06:08:34 +00:00
Devang Patel
7536edca09 Support inreg, zext and sext as return value attributes. 
llvm-svn: 56801
 2008-09-29 20:49:50 +00:00
Evan Cheng
b749199c34 Fix PR2835. Do not change the width of a volatile load. 
llvm-svn: 56792
 2008-09-29 17:26:18 +00:00
Matthijs Kooijman
9fb8d5f5b1 Add a testcase showing that scalarrepl supports first class structs. 
I originally made this script to show that scalarrepl didn't support them, but
it turned out it does. Better to still add the testcase then.

llvm-svn: 56781
 2008-09-29 10:42:13 +00:00
Evan Cheng
28d9b3a8ad Re-apply 56683 with fixes. 
llvm-svn: 56748
 2008-09-27 01:56:22 +00:00
Devang Patel
f0ed717e54 Update tests. 
llvm-svn: 56730
 2008-09-27 00:25:28 +00:00
Devang Patel
47a504c87c Implement function notes as function attributes. 
llvm-svn: 56716
 2008-09-26 23:51:19 +00:00
Evan Cheng
d63fc80c1e Implement "punpckldq %xmm0, $xmm0" as "pshufd $0x50, %xmm0, %xmm" unless optimizing for code size. 
llvm-svn: 56711
 2008-09-26 23:41:32 +00:00
Bill Wendling
7273078850 Temporarily reverting r56683. This is causing a failure during the build of llvm-gcc: 
/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -mmacosx-version-min=10.4 -O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Gir/devel/llvm/clean/llvm.obj/include -I/Volumes/Gir/devel/llvm/clean/llvm.src/include -fexceptions -fvisibility=hidden -DHIDE_EXPORTS -c ../../llvm-gcc.src/gcc/unwind-dw2-fde-darwin.c -o libgcc/./unwind-dw2-fde-darwin.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) && TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical register live information"), function runOnMachineFunction, file /Volumes/Gir/devel/llvm/clean/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp, line 311.
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
{standard input}:3521:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb"
{standard input}:3521:symbol: "_dwarf_reg_size_table" can't be undefined in a subtraction expression
{standard input}:3520:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb"
...

llvm-svn: 56703
 2008-09-26 22:10:44 +00:00
Evan Cheng
9946443460 Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0. 
llvm-svn: 56683
 2008-09-26 19:48:35 +00:00
Evan Cheng
b4d6625c85 Avoid spilling EBP / RBP twice in the prologue. 
llvm-svn: 56675
 2008-09-26 19:14:21 +00:00
Evan Cheng
c8674dcfd0 Prefer movlhps over punpcklqdq, etc. in more cases. 
llvm-svn: 56627
 2008-09-25 23:35:16 +00:00
Evan Cheng
d190aeb62d With sse3 and when the source is a load or has multiple uses, favors movddup over shuffp*, pshufd, etc. Without sse3 or when the source is from a register, make use of movlhps 
llvm-svn: 56620
 2008-09-25 20:50:48 +00:00
Dale Johannesen
62f64ab4c8 Accept 'inreg' attribute on x86 functions as 
meaning sse_regparm (i.e. float/double values go
in XMM0 instead of ST0).  Update documentation
to reflect reality.

llvm-svn: 56619
 2008-09-25 20:47:45 +00:00
Evan Cheng
efd1f614ff Fix patterns for SSE4.1 move and sign extend instructions. Also add instructions which fold VZEXT_MOVL and VZEXT_LOAD. 
llvm-svn: 56594
 2008-09-24 23:27:55 +00:00
Dale Johannesen
4184c23365 Remove SelectionDag early allocation of registers 
for earlyclobbers.  Teach Local RA about earlyclobber,
and add some tests for it.

llvm-svn: 56592
 2008-09-24 23:13:09 +00:00
Evan Cheng
eb5c357f03 Test fp not. 
llvm-svn: 56534
 2008-09-24 00:50:16 +00:00
Evan Cheng
f942615847 Properly handle 'm' inline asm constraints. If a GV is being selected for the addressing mode, it requires the same logic for PIC relative addressing, etc. 
llvm-svn: 56526
 2008-09-24 00:05:32 +00:00
Duncan Sands
2c9f6ab06d Rationalize the names of passes that print information: 
-callgraph => print-callgraph
    -callscc   => print-callgraph-sccs
    -cfgscc    => print-cfg-sccs
    -externalfnconstants => print-externalfnconstants
    -print               => print-function
    -print-alias-sets (no change)
    -print-callgraph     => dot-callgraph
    -print-cfg           => dot-cfg
    -print-cfg-only      => dot-cfg-only
    -print-dom-info (no change)
    -printm              => print-module
    -printusedtypes      => print-used-types

llvm-svn: 56487
 2008-09-23 12:47:39 +00:00
Evan Cheng
5bf702d20a Support x86 specific inline asm modifier 'J'. 
llvm-svn: 56483
 2008-09-22 23:57:37 +00:00
Evan Cheng
7f90017389 Test case for fp logical instructions. 
llvm-svn: 56474
 2008-09-22 22:19:34 +00:00
Arnold Schwaighofer
49f49e2086 Change the calling convention used when tail call optimization is enabled from CC_X86_32_TailCall to CC_X86_32_FastCC. 
llvm-svn: 56436
 2008-09-22 14:50:07 +00:00