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2012-07-27Add a DW_AT_high_pc for CUs that are a single address range. UpdateEric Christopher
all tests accordingly. Fixes PR13351. Patch by shinichiro hamaji! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160899 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Also compute register mask lists under -new-live-intervals.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160898 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Typos.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Teach CodeGenPrep to look past bitcast when it's duplicating return instructionEvan Cheng
into predecessor blocks to enable tail call optimization. rdar://11958338 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Eliminate the IS_PHI_DEF flag and VNInfo::setIsPHIDef().Jakob Stoklund Olesen
A value number is a PHI def if and only if it begins at a block boundary. This can be derived from the def slot, a separate flag is not necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160893 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Add a -new-live-intervals experimental option.Jakob Stoklund Olesen
This option replaces the existing live interval computation with one based on LiveRangeCalc.cpp. The new algorithm does not depend on LiveVariables, and it can be run at any time, before or after leaving SSA form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Fixing problems with X86_64_32 relocations and making the assertions more ↵Andrew Kaylor
readable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160889 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Add <imp-def> of super-register when lowering SUBREG_TO_REG.Jakob Stoklund Olesen
Patch by Tyler Nowicki! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160888 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Test commit, clean up commentAndrew Kaylor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160880 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27fix PR13390: do not loop forever with self-referencing self instructionsNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160876 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27fix infinite loop in instcombine in the presence of a (malformed) ↵Nuno Lopes
self-referencing select inst. This can happen as long as the instruction is not reachable. Instcombine does generate these unreachable malformed selects when doing RAUW git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Test commit, clean up commentAndrew Kaylor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Give MCRegisterInfo an implementation file.Jakob Stoklund Olesen
Move some functions from MCRegisterInfo.h that don't need to be inline. This shrinks llc by 8K. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160865 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Pass the correct call frame size to callseq_start node. This is needed toAkira Hatanaka
replace uses of function getMaxCallFrameSize defined in MipsFunctionInfo with the one MachineFrameInfo has. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160841 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Simplify demanded bits of select sources where the condition is a constant ↵Pete Cooper
vector git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Remove the X86 sub_ss and sub_sd sub-register indexes completely.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160833 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Remove the last mentions of sub_ss and sub_sd from patterns.Jakob Stoklund Olesen
I'll remove these two sub-register indexes shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160831 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Eliminate sub_ss, sub_sd from broadcast patterns.Jakob Stoklund Olesen
The (COPY_TO_REGCLASS GR32:$src, VR128) pattern looks odd, but copyPhysReg does the right thing with it. (The old pattern would eventually produce the same cross-class copy). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160830 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Teach SimplifyDemandedBits how to look through fpext and fptrunc to simplify ↵Pete Cooper
their operand git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160823 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Eliminate more sub_ss / sub_sd patterns.Jakob Stoklund Olesen
This gets rid of some more INSERT_SUBREG - IMPLICIT_DEF patterns, simplifying the emitted code a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160820 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Eliminate some SUBREG_TO_REG patterns with sub_ss and sub_sd.Jakob Stoklund Olesen
The SUBREG_TO_REG instruction has magic semantics asserting that the source value was defined by an instruction that cleared the high half of the register. Those semantics are never actually exploited for xmm registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Eliminate a batch of uses of sub_ss and sub_sd in the X86 target.Jakob Stoklund Olesen
These idempotent sub-register indices don't do anything --- They simply map XMM registers to themselves. They no longer affect register classes either since the SubRegClasses field has been removed from Target.td. This patch replaces XMM->XMM EXTRACT_SUBREG and INSERT_SUBREG patterns with COPY_TO_REGCLASS patterns which simply become COPY instructions. The number of IMPLICIT_DEF instructions before register allocation is reduced, and that is the cause of the test case changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160816 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Add support for v16i32/v16i64 into the code generator. This is required for ↵Micah Villmow
backends that use i32/i64 vectors for the getSetCCResultType function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160814 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Make comments in Debug.cpp and Debug.h consistent. Rename SetCurrentDebugType;Chad Rosier
Function names should be camel case, and start with a lower case letter. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160813 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Use an otherwise unused variable.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160798 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Start scaffolding for a MachineTraceMetrics analysis pass.Jakob Stoklund Olesen
This is still a work in progress. Out-of-order CPUs usually execute instructions from multiple basic blocks simultaneously, so it is necessary to look at longer traces when estimating the performance effects of code transformations. The MachineTraceMetrics analysis will pick a typical trace through a given basic block and provide performance metrics for the trace. Metrics will include: - Instruction count through the trace. - Issue count per functional unit. - Critical path length, and per-instruction 'slack'. These metrics can be used to determine the performance limiting factor when executing the trace, and how it will be affected by a code transformation. Initially, this will be used by the early if-conversion pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Add a floor intrinsic.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160791 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26do null checks for a few more Emit*() functions.Nuno Lopes
Thanks Eli for noticing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160787 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Stop reassociate from looking through expressions of arbitrary complexity. ThisDuncan Sands
is a temporary measure until my fix for PR13021 is ready. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160778 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Make l/q suffixes on AVX forms of scalar convert instructions consistent ↵Craig Topper
with their non-AVX forms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160775 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-26Fix call setup for PIC.Akira Hatanaka
Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160774 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25It's not safe to blindly remove invoke instructions. This happens when weNick Lewycky
encounter an invoke of an allocation function. This should fix the dragonegg bootstrap. Testcase to follow, later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160757 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25You cannot call removeModule on a JIT with no modules. Patch by VerenaChad Rosier
Beckham <verena@codeplay.com>. Reviewed by Jim Grosbach. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160753 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25revert r160742: it's breaking CMake buildNuno Lopes
original commit msg: MemoryBuiltins: add support to determine the size of strdup'ed non-constant strings git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160751 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Disable rematerialization in TwoAddressInstructionPass.Manman Ren
It is redundant; RegisterCoalescer will do the remat if it can't eliminate the copy. Collected instruction counts before and after this. A few extra instructions are generated due to spilling but it is normal to see these kinds of changes with almost any small codegen change, according to Jakob. This also fixed rdar://11830760 where xor is expected instead of movi0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160749 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Don't add null characters to the end of the APFloat string buffer.David Blaikie
Report/patch inspiration by Olaf Krzikalla. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160744 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25MemoryBuiltins: add support to determine the size of strdup'ed non-constant ↵Nuno Lopes
strings git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160742 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25add EmitStrNLen()Nuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160741 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Preserve 2-addr constraints in ConnectedVNInfoEqClasses.Jakob Stoklund Olesen
When a live range splits into multiple connected components, we would arbitrarily assign <undef> uses to component 0. This is wrong when the use is tied to a def that gets assigned to a different component: %vreg69<def> = ADD8ri %vreg68<undef>, 1 The use and def must get the same virtual register. Fix this by assigning <undef> uses to the same component as the value defined by the instruction, if any: %vreg69<def> = ADD8ri %vreg69<undef>, 1 This fixes PR13402. The PR has a test case which I am not including because it is unlikely to keep exposing this behavior in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25ARM: Don't assume an SDNode is a constant.Jim Grosbach
Before accessing a node as a ConstandSDNode, make sure it actually is one. No testcase of non-trivial size. rdar://11948669 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160735 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Verify two-address constraints more carefully.Jakob Stoklund Olesen
Include <undef> operands and virtual registers after leaving SSA form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160734 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25make all Emit*() functions consult the TargetLibraryInfo information before ↵Nuno Lopes
creating a call to a library function. Update all clients to pass the TLI information around. Previous draft reviewed by Eli. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160733 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Fix typos. Thanks to Matt Beaumont-Gay for noticing it.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160731 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25When a return struct pointer is passed in registers, the called has nothingRafael Espindola
to pop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160725 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Factor a long list of conditions into a predicate function. No functionalityRafael Espindola
change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160724 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25When folding a load from a global constant, if the load started in the middleDuncan Sands
of an array element (rather than at the beginning of the element) and extended into the next element, then the load from the second element was being handled wrong due to incorrect updating of the notion of which byte to load next. This fixes PR13442. Thanks to Chris Smowton for reporting the problem, analyzing it and providing a fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160711 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-25Eliminate the stack slot used to save the global base register.Akira Hatanaka
The long branch pass (fixed in r160601) no longer uses the global base register to compute addresses of branch destinations, so it is not necessary to reserve a slot on the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160703 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-24Fix a bug in the x86 disassembler's symbolic disassembly support for Jcc-JumpKevin Enderby
if Condition Is Met instuctions that was not correctly determining the target instruction. So for a jne rel32 instruction: % cat x.s .byte 0x0f, 0x85, 0x09, 0x00, 0x00, 0x00 % as x.s it was incorrectly deterining the target: % otool -q -tv a.out a.out: (__TEXT,__text) section 0000000000000000 jne 0xd and with the fix it gets this correct as: % otool -q -tv a.out a.out: (__TEXT,__text) section 0000000000000000 jne 0xf rdar://11505997 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-24Don't delete one more instruction than we're allowed to. This should fix theNick Lewycky
Darwin bootstrap. Testcase exists but isn't fully reduced, I expect to commit the testcase this evening. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160693 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-24add a few more functions to TargetLibraryInfo:Nuno Lopes
fputc, memchr, memcmp, putchar, puts, strchr, strncmp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160690 91177308-0d34-0410-b5e6-96231b3b80d8
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