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5863 Commits

Author SHA1 Message Date
Evan Cheng
ba11945234 Legalizer was missing code that expand fpow to a libcall. 
llvm-svn: 56028
 2008-09-09 23:02:14 +00:00
Devang Patel
ed0ea8049f Remove. 
llvm-svn: 56018
 2008-09-09 21:41:34 +00:00
Devang Patel
7365754925 if loop induction variable is always sign or zero extended then 
extend the type of induction variable.

llvm-svn: 56017
 2008-09-09 21:41:07 +00:00
Devang Patel
36ad68421e fix overflow check. 
llvm-svn: 56011
 2008-09-09 20:54:34 +00:00
Evan Cheng
304fba81c9 Fix PR2757. Ignore liveinterval register allocation preference if the preference register is not in the right register class. This can happen due to sub-register coalescing. 
llvm-svn: 56006
 2008-09-09 20:22:01 +00:00
Anton Korobeynikov
4676c09dc8 Resolve aliases, when possible 
llvm-svn: 56001
 2008-09-09 19:04:59 +00:00
Dan Gohman
28c911b79b Make SimplifyDemandedVectorElts simplify vectors with multiple 
users, and teach it about shufflevector instructions.

Also, fix a subtle bug in SimplifyDemandedVectorElts'
insertelement code.

This is a patch that was originally written by Eli Friedman,
with some fixes and cleanup by me.

llvm-svn: 55995
 2008-09-09 18:11:14 +00:00
Duncan Sands
d8ab4c3485 Correct callgraph construction. It has two problems: 
(1) code left over from the days of ConstantPointerRef:
if a use of a function is a GlobalValue then that is
not considered a reason to add an edge from the external
node, even though the use may be as an initializer for
an externally visible global!  There might be some point
to this behaviour when the use is by an alias (though the
code predated aliases by some centuries), but I think
PR2782 is a better way of handling that.  (2) If function
F calls function G, and also G is a parameter to the
call, then an F->G edge is not added to the callgraph.
While this doesn't seem to matter much, adding such an
edge makes the callgraph more regular.
In addition, the new code should be faster as well as
simpler.

llvm-svn: 55987
 2008-09-09 12:40:47 +00:00
Dan Gohman
12e88b5421 Temporarily disable vector select in the bitcode reader. The 
way it handles the type of the condition is breaking plain
scalar select in the case that the value is a
forward-reference.

llvm-svn: 55976
 2008-09-09 02:08:49 +00:00
Evan Cheng
dc011a1b10 Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand. 
llvm-svn: 55975
 2008-09-09 01:26:59 +00:00
Devang Patel
b6380f607d Fix simplifycfg crash in handing block merge. 
llvm-svn: 55971
 2008-09-09 01:06:56 +00:00
Dan Gohman
3e79d697f3 Extend the vcmp/fcmp LLVM IR instructions to take vectors as arguments 
and, if so, to return a vector of boolean as a result;

Extend the select LLVM IR instruction to allow you to specify a result
type which is a vector of boolean, in which case the result will be an
element-wise selection instead of choosing one vector or the other; and

Update LangRef.html to describe these changes.

This patch was contributed by Preston Gurd!

llvm-svn: 55969
 2008-09-09 01:02:47 +00:00
Anton Korobeynikov
afd49daa42 Reapply 55902: Add test for checking proper lowering of eh_return & unwind init intrinsics on 32bit x86 targets 
llvm-svn: 55960
 2008-09-08 21:14:36 +00:00
Anton Korobeynikov
ddf0f04445 Reapply 55903: Testcase for 64-bit lowering of eh_return & unwind_init 
llvm-svn: 55959
 2008-09-08 21:14:19 +00:00
Dan Gohman
6f360fc081 Add a target triple; apparently LLVM doesn't use 64-bit 
data directives on darwin.

llvm-svn: 55941
 2008-09-08 20:16:18 +00:00
Bill Wendling
122df59fda Remove these testcases associated with changes between r 55898 and r 55909. 
llvm-svn: 55931
 2008-09-08 18:00:39 +00:00
Bill Wendling
4cc4caab72 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

llvm-svn: 55928
 2008-09-08 17:59:12 +00:00
Evan Cheng
fc78ac5bbe Handle calls which produce i1 results: promote to i8 but and it with 1 to get the low bit. 
llvm-svn: 55925
 2008-09-08 17:15:42 +00:00
Dan Gohman
f2a912c2a7 Add AsmPrinter support for i128 and larger static initializer data. 
llvm-svn: 55919
 2008-09-08 16:40:13 +00:00
Devang Patel
c60c8e35eb xfail 
llvm-svn: 55914
 2008-09-08 16:24:30 +00:00
Anton Korobeynikov
0da56882db Testcase for 64-bit lowering of eh_return & unwind_init 
llvm-svn: 55903
 2008-09-08 14:23:16 +00:00
Anton Korobeynikov
7dc16250e7 Add test for checking proper lowering of eh_return & unwind init intrinsics on 32bit x86 targets 
llvm-svn: 55902
 2008-09-08 14:22:57 +00:00
Rafael Espindola
ce4f075afd Add testcase from bug 2770. 
llvm-svn: 55897
 2008-09-08 11:17:54 +00:00
Duncan Sands
62431a29a5 Update the callgraph correctly in ArgumentPromotion. 
llvm-svn: 55895
 2008-09-08 11:07:35 +00:00
Evan Cheng
f8d8287454 Correctly handle physical register inputs. They are not explicit input operands in the resulting machine instrs. 
llvm-svn: 55893
 2008-09-08 08:39:33 +00:00
Evan Cheng
6690ccd573 Handle x86 truncate to i8 with target hook for now. 
llvm-svn: 55877
 2008-09-07 08:47:42 +00:00
Duncan Sands
c4ec7871bf When PruneEH turned an invoke into an ordinary 
call (thus changing the call site) it didn't
inform the callgraph about this.  But the
call site does matter - as shown by the testcase,
the callgraph become invalid after the inliner
ran (with an edge between two functions simply
missing), resulting in wrong deductions by
GlobalsModRef.

llvm-svn: 55872
 2008-09-06 17:19:29 +00:00
Eli Friedman
fecea4b498 Fix for PR2687: Add patterns to match sint_to_fp and fp_to_sint for <2 x 
i32>.  This is a little messy, but it works.

We should really get rid of the intrinsics, though, since they map
perfectly well to standard LLVM instructions.

llvm-svn: 55864
 2008-09-05 23:07:03 +00:00
Duncan Sands
b39cf2ff6c Prevent our own passes from promoting this to 
readonly.

llvm-svn: 55858
 2008-09-05 21:34:32 +00:00
Evan Cheng
1f4b84cad0 Fix test. 
llvm-svn: 55849
 2008-09-05 20:04:37 +00:00
Evan Cheng
10a350fa89 If SSE2 is available, x86 should pass first 3 f32/f64 arguments in XMM registers for fastcc calls. 
llvm-svn: 55840
 2008-09-05 17:24:07 +00:00
Evan Cheng
bd15e330d0 For whatever the reason, x86 CallingConv::Fast (i.e. fastcc) was not passing scalar arguments in registers. This patch defines a new fastcc CC which is slightly different from the FastCall CC. In addition to passing integer arguments in ECX and EDX, it also specify doubles are passed in 8-byte slots which are 8-byte aligned (instead of 4-byte aligned). This avoids a potential performance hazard where doubles span cacheline boundaries. 
llvm-svn: 55807
 2008-09-04 22:59:58 +00:00
Dale Johannesen
51f5f5dfd9 Adjust tests to expect new math intrinsics to be 
emitted only when errno is not in use.

llvm-svn: 55797
 2008-09-04 21:24:28 +00:00
Dale Johannesen
8a3d70fe55 Adjust libcalls tests to expect intrinsic for exp2 
llvm-svn: 55784
 2008-09-04 18:44:20 +00:00
Owen Anderson
cd3ee9198d Fix the ordering of operands to the store (inverted relative to LLVM IR), and fix the testcase. 
llvm-svn: 55777
 2008-09-04 16:48:33 +00:00
Owen Anderson
35485dbae3 Add a first attempt at implementing stores for X86 fast isel using target hooks. 
Dan or Evan, please review.

llvm-svn: 55764
 2008-09-04 07:08:58 +00:00
Evan Cheng
9c728a557d Load from GV stub should be locally CSE'd. 
llvm-svn: 55763
 2008-09-04 06:18:33 +00:00
Evan Cheng
53ce5fa5ce Remove code that pad number of bytes to pop for X86_FastCall CC. The code doesn't do the "aligning" for Cygwin, Mingw, and Windows. But aligning it on Darwin and Linux breaks gcc compatibility. That ruled out all the platforms we support! 
llvm-svn: 55756
 2008-09-04 01:04:15 +00:00
Duncan Sands
4a2e0c6591 Testcase for commits 55700 and 55714. 
llvm-svn: 55715
 2008-09-03 19:38:41 +00:00
Devang Patel
ce2b476d8e Update test to check call instruction. 
llvm-svn: 55702
 2008-09-03 17:05:49 +00:00
Duncan Sands
06bd9f3885 Since onlyReadsMemory returns true if in fact 
doesNotAccessMemory, check doesNotAccessMemory
first, since otherwise functions may be
marked readonly rather than readnone.

llvm-svn: 55697
 2008-09-03 15:31:24 +00:00
Duncan Sands
0283a6c991 Cleanup GlobalsModRef a bit. When analysing the 
callgraph, when one member of a SCC calls another
then the analysis would drop to mod-ref because
there is (usually) no function info for the callee
yet; fix this.  Teach the analysis about function
attributes, in particular the readonly attribute
(which requires being careful about globals).

llvm-svn: 55696
 2008-09-03 12:55:42 +00:00
Duncan Sands
823cf841d1 Testcase for PR1678. 
llvm-svn: 55695
 2008-09-03 07:52:01 +00:00
Evan Cheng
942d55dd92 Add X86 target hook to implement load (even from GlobalAddress). 
llvm-svn: 55693
 2008-09-03 06:44:39 +00:00
Nick Lewycky
57cebeaeba Don't crash when trying to constant fold a vector with some elements that can't 
be folded. Instead, fail to fold the entire vector.

We could also return a vector with some elements folded and some not. If anyone
thinks that's a better approach, please speak up!

llvm-svn: 55689
 2008-09-03 05:54:33 +00:00
Devang Patel
4dfecae8fe Check iteration count. 
llvm-svn: 55680
 2008-09-03 00:10:56 +00:00
Devang Patel
a1e2066b1d If all IV uses are extending integer IV then change the type of IV itself, if possible. 
llvm-svn: 55674
 2008-09-02 22:18:08 +00:00
Devang Patel
cda9086d29 respect inline=never and inline=always notes. 
llvm-svn: 55673
 2008-09-02 22:16:13 +00:00
Devang Patel
631122c84b Read and write function notes. 
llvm-svn: 55657
 2008-09-02 21:47:13 +00:00
Dale Johannesen
1962ef8546 New testcase for targets without 64-bit atomics; 
xfail old test for ppc.

llvm-svn: 55651
 2008-09-02 21:19:30 +00:00