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2008-09-11In my analysis for r56076 I missed the case where the originalDan Gohman
multiplication overflows. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56082 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix an icmp+sdiv optimization to check for and handle an overflowDan Gohman
condition. This fixes PR2740. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56076 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10X86FastISel support for double->float and float->double casts.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56070 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10FastISel support for i1 PHI nodes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56069 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10FastISel support for i1 constants.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56068 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix a bug in the coalescer where it didn't check if a live interval existed ↵Owen Anderson
before trying to manipulate it. This was exposed by fast isel's handling of shifts on X86-64. With this, FreeBench/pcompress2 passes on X86-64 in fast isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56067 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Add X86FastISel support for static allocas, and refencesDan Gohman
to static allocas. As part of this change, refactor the address mode code for laods and stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56066 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix PR2664 - spiller GetRegForReload wasn't respecting sub-register indices ↵Evan Cheng
on machine operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56065 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the ↵Evan Cheng
hidden struct ptr; Re-enable fastcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56061 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Handle new intrinsics with vector arguments.Dale Johannesen
Patch by Paul Redmond. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56059 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Add a break statement that I accidentally deleted whenDan Gohman
I shuffled the fast-isel command-line options around. This fixes a bunch of fast-isel failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56057 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10fix white spaces.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56056 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix name.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56055 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Add trampoline support for the new FastCC callingDuncan Sands
convention (not related to recent Ada testsuite failures). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56054 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Turn off the new FastCC for the moment. It causesDuncan Sands
a slew of Ada testsuite failures on x86-32 linux. Seems to be related to the use of float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56053 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Remove unnecessary bit-wise AND from the limited precision work.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56049 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix 80 col violation.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56048 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix a warning about comparing signed and unsigned values.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56040 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Fix typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56037 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Check that both operands are f32 before attempting to lower.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56036 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-10Implement "visitPow". This is mainly used to see if we have a pow() call of thisBill Wendling
form: powf(10.0f, x); If this is the case, and also we want limited precision floating-point calculations, then lower to do the limited-precision stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56035 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09A few more places where FPOW is being ignored.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56032 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Change -fast-isel-no-abort to -fast-isel-abort, which now defaultsDan Gohman
to being off by default. Also, add assertion checks to check that the various fast-isel-related command-line options are only used when -fast-isel itself is enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56029 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Legalizer was missing code that expand fpow to a libcall.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56028 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Adding 6-, 12-, and 18-bit limited-precision floating-point support for exp2Bill Wendling
function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56025 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Move the uglier parts of deciding not to emit aDale Johannesen
UsedDirective for some symbols in llvm.used into Darwin-specific code. I've decided LessPrivateGlobal is potentially a useful abstraction and left it in the target-independent area, with improved comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56024 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Add support for 6-, 12-, and 18-bit limited precision calculations of exp forBill Wendling
floating-point numbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56023 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Add a new option, -fast-isel-verbose, that can be used withDan Gohman
-fast-isel-no-abort to get a dump of all unhandled instructions, without an abort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56021 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Clear preference when it no longer makes sense.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56019 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09if loop induction variable is always sign or zero extended then Devang Patel
extend the type of induction variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56017 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Add assertion check.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56016 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09fix overflow check.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56011 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Clean this up, based on Evan's suggestions.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56009 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09- Add support for 6-, 12-, and 18-bit limited precision floating-point "log"Bill Wendling
values. - Refactored some of the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56008 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Fix PR2757. Ignore liveinterval register allocation preference if the ↵Evan Cheng
preference register is not in the right register class. This can happen due to sub-register coalescing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56006 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Make safer variant of alias resolution routine to be defaultAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56005 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Simplify this some more. No functionality change.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56003 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Resolve aliases, when possibleAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56001 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Add limited precision floating-point conversions of log10 for 6- and 18-bitBill Wendling
precisions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56000 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Mark IMPLICIT_DEF as being rematerializable and cheap-as-a-move.Dan Gohman
It's already special-cased and treated as rematerializable within LiveIntervals; this allows it to be handled by other passes such as TwoAddressInstrctionPass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55999 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Fix typoAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55998 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Fix incorrect linker behaviour: we shouldn't resolve weak aliases.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55997 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Replace explicit pointer-size constants to TargetData query.Anton Korobeynikov
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55996 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Make SimplifyDemandedVectorElts simplify vectors with multipleDan Gohman
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55995 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Simplify.Devang Patel
Fix outdated comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55993 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Optimization suggested by Matthijs Kooijman.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55988 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Correct callgraph construction. It has two problems:Duncan Sands
(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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55987 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Check for type legality before materializing integer constants in fast isel. ↵Owen Anderson
With this change, all of MultiSource/Applications passes on Darwin/X86 under FastISel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55982 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Remove the code that protected FastISel from aborting inDan Gohman
the case of loads, stores, and conditional branches. It can handle those now, so any that aren't handled should trigger the abort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55977 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-09Temporarily disable vector select in the bitcode reader. TheDan Gohman
way it handles the type of the condition is breaking plain scalar select in the case that the value is a forward-reference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55976 91177308-0d34-0410-b5e6-96231b3b80d8
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