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Author SHA1 Message Date
Justin Holewinski
ab0145d2a9 PTX: add PTX 2.3 language target 
Patch by Wei-Ren Chen

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130980 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 11:40:36 +00:00
Duncan Sands
5389210e63 Fix PR9820: a read-only call differs from a load in that a load doesn't 
return the pointer being dereferenced, it returns the pointee, but a call
might return the pointer itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130979 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 10:30:37 +00:00
Eli Friedman
5e926ac651 Re-revert r130877; it's apparently causing a regression on 197.parser, 
possibly related to cbnz formation.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130977 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 05:23:07 +00:00
Nick Lewycky
d363ff334d The computation of string length is not that complicated. Fix it, again. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130967 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 23:52:18 +00:00
Rafael Espindola
97a1216581 Remove DwarfTableException. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130964 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 23:19:54 +00:00
Rafael Espindola
254784f9e0 Remove the DwarfTable enum. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 22:14:31 +00:00
Devang Patel
ef7b4685f1 In debug output, clearly list new instructions without DebugLoc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130957 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 22:05:57 +00:00
Devang Patel
51a04adc5e Remove little used statistical counter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 22:00:08 +00:00
Eli Friedman
b6e7cd655c PR9838: Fix transform introduced in r127064 to not trigger when only one side of the icmp is an exact shift. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 21:59:18 +00:00
Rafael Espindola
108709d4d1 Move PPC Linux to CFI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130951 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 21:34:33 +00:00
Nick Lewycky
10c6612078 Fix typo. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130949 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 21:27:14 +00:00
Rafael Espindola
ecf58b9e3c Implement a really simple DwarfSjLjException. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130947 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 20:48:31 +00:00
Rafael Espindola
2d57a64701 List all exception types in a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130944 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 19:48:34 +00:00
Andrew Trick
ee10915892 ARM post RA scheduler compile time fix. 
BuildSchedGraph was quadratic in the number of calls in the basic
block. After this fix, it keeps only a single call at the top of the
DefList so compile time doesn't blow up on large blocks. This reduces
postRA sched time on an external test case from 81s to 0.3s.  Although
r130800 (reduced ARM register alias defs) also partially fixes the
issue by reducing the constant overhead of checking call interference
by an order of magnitude.

Fixes <rdar://problem/7662664> very poor compile time with post RA scheduling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130943 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 19:32:21 +00:00
Andrew Trick
f405b1ad19 whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130942 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 19:24:06 +00:00
Rafael Espindola
7af1a59382 Don't produce a __debug_frame. 
I tested both gdb on a bootstrapped clang and and the gdb testsuite on OS X (snow leopard)
and both are happy using __eh_frame.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130937 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 18:43:39 +00:00
Galina Kistanova
300c1a11c8 Many LLVM tests relies on standard output stream be in the binary mode. Which is not always the case (on Windows in particular). The patch adds a test to verify that the standard output stream is actually in the binary mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130936 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 18:40:27 +00:00
Owen Anderson
d71867a8f4 Allow FastISel of three-register-operand instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 17:59:04 +00:00
Devang Patel
d96efb83c1 If debug info for inlined function is missing then handle it gracefully. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130933 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 17:54:26 +00:00
Eli Friedman
297015913a PR9848: pandn is not commutative. 
No test because I can't think of any way to write one that won't break quickly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130932 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 17:45:31 +00:00
Jakob Stoklund Olesen
e9bd4ea5fd Add some statistics to the splitting and spilling frameworks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130931 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 17:22:53 +00:00
Eli Friedman
23d3243e62 Avoid extra vreg copies for arguments passed in registers. Specifically, this can make MachineCSE more effective in some cases (especially in small functions). PR8361 / part of rdar://problem/8259436 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130928 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 16:53:34 +00:00
Jakob Stoklund Olesen
d41bd043d3 Fix test to be less sensitive to coalescing. 
This should unbreak llvm-gcc-i386-linux-selfhost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130927 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 16:48:00 +00:00
Eli Friedman
6005b875b0 Small syntax cleanup; we don't need to #define constants in C++. No functionality change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130926 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 16:25:23 +00:00
Eli Friedman
5f6bf5d441 Minor correction to r130877; fixes PR9846 and hopefully the buildbot failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130925 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 16:18:11 +00:00
Hongbin Zheng
f262e16161 Minor change: Fix the typo in RegionPass.h and RegionPass.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130920 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 13:59:38 +00:00
Bill Wendling
087aad44cb Remove a flag that would set the ".eh" symbol as .globl. MachO was the only one 
who used this flag, and it now emits CFI and doesn't emit this anymore. All
other targets left this flag "false".
<rdar://problem/8486371>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130918 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 06:49:15 +00:00
Mikhail Glushenkov
81937619b5 llvmc: Make 'true' and 'false' instances of a 'Bool' class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130915 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 04:25:03 +00:00
Mikhail Glushenkov
3a21c55a14 llvmc: Make it possible to provide an argument to (join). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130914 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 04:24:58 +00:00
Nick Lewycky
5409a18832 Update the gcov version used slightly, to make it stop causing modern gcov's to 
crash.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130911 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 02:46:38 +00:00
Nick Lewycky
7a75a9ade8 Remove dead function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130903 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 00:17:34 +00:00
Nick Lewycky
fcf74ed5a2 When the path wasn't emitted by the frontend, discard any path on the source 
filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130897 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 00:03:30 +00:00
Jakob Stoklund Olesen
7a2718a3c1 Disable physical register coalescing by default. 
Joining physregs is inherently dangerous because it uses a heuristic to avoid
creating invalid code. Linear scan had an emergency spilling mechanism to deal
with those rare cases. The new greedy allocator does not.

The greedy register allocator is much better at taking hints, so this has almost
no impact on code size and quality. The few cases where it matters show up as
unit tests that now have -join-physregs enabled explicitly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:59:00 +00:00
Devang Patel
0f18d97fd1 Set debug loc for new instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:58:50 +00:00
Devang Patel
a922ba7edc Set debug location for new PHI nodes created in exit block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130894 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:58:22 +00:00
Jakob Stoklund Olesen
49b2803ec2 Prepare remaining tests for -join-physreg going away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:54:59 +00:00
Jakob Stoklund Olesen
4f5de9bb40 Fix X86RegisterInfo::getMatchingSuperRegClass for sub_8bit_hi. 
It is OK for B to be any GR8_ABCD_H superclass, the returned register class
doesn't have to map surjectively onto B.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:54:54 +00:00
Jakob Stoklund Olesen
61396aebee Fix a batch of x86 tests to be coalescer independent. 
Most of these tests require a single mov instruction that can come either before
or after a 2-addr instruction. -join-physregs changes the behavior, but the
results are equivalent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130891 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:54:51 +00:00
Bill Wendling
3f58a513e1 Document the automatic alias printing of InstAliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130889 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:40:14 +00:00
Ted Kremenek
2169ad8c60 Add explicit 'unregister' method to CrashRecoveryConextCleanupRegistrar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130885 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:26:59 +00:00
Dan Gohman
becfb889aa Give this test an explicit register allocator, so that it can work even if 
the default register allocator is changed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130883 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:14:02 +00:00
Bill Wendling
d29052bf26 SjLj EH could produce a machine basic block that legitimately has more than one 
landing pad as its successor.

SjLj exception handling jumps to the correct landing pad via a switch statement
that's generated right before code-gen. Loosen the constraint in the machine
instruction verifier to allow for this. Note, this isn't the most rigorous check
since we cannot determine where that switch statement came from. But it's
marginally better than turning this check off when SjLj exceptions are used.
<rdar://problem/9187612>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130881 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 22:54:05 +00:00
Devang Patel
95a7de6b91 Preserve line number information while threading jumps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 22:48:19 +00:00
Nick Lewycky
5e436b3b0e Create the parent directories to place the .gcda files in if they don't exist. 
That's kinda weird because the .gcno files are supposed to already be there,
but libgcov does this and somehow Google has managed to depend on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130879 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 22:34:29 +00:00
Eli Friedman
baf717a08a Re-commit r130862 with a minor change to avoid an iterator running off the edge in some cases. 
Original message:

Teach MachineCSE how to do simple cross-block CSE involving physregs.  This allows, for example, eliminating duplicate cmpl's on x86. Part of rdar://problem/8259436 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130877 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 22:10:36 +00:00
Devang Patel
b90584ae78 Preserve line number info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130876 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 21:58:58 +00:00
Galina Kistanova
ff4f6eaf4e This test fails on ARM. The test shouldn't explicitly specify alignment (and alignment 4 is wrong) and requires hard-float. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130875 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 21:57:44 +00:00
Devang Patel
6a0ce750f7 If builder is initialized using an instruction as insertion point, then use the instruction's debug location as current debug location. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130874 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 21:57:22 +00:00
Devang Patel
af35841f2e preserve line number info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 21:37:05 +00:00
Eli Friedman
24d4c9911e Back out r130862; it appears to be breaking bootstrap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130867 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 20:48:42 +00:00