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* Make special cases (0 inf nan) work for frem.Dale Johannesen2009-01-211-0/+315
| | | | | | | | | | Besides APFloat, this involved removing code from two places that thought they knew the result of frem(0., x) but were wrong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62645 91177308-0d34-0410-b5e6-96231b3b80d8
* Be more aggressive about renumbering vregs after splitting them.Owen Anderson2009-01-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62639 91177308-0d34-0410-b5e6-96231b3b80d8
* Appropriately mark fowrad decls.Devang Patel2009-01-201-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62625 91177308-0d34-0410-b5e6-96231b3b80d8
* Need compile unit to find location.Devang Patel2009-01-201-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62624 91177308-0d34-0410-b5e6-96231b3b80d8
* Calls to fmod, it turns out, are constant-folded byDale Johannesen2009-01-201-6/+4
| | | | | | | | | | invoking the host fmod, not by lowering to frem and constant-folding that. Fix this so it tests what I want to test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62622 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't bother running the assembler, we don't know that it will be configuredChris Lattner2009-01-201-1/+1
| | | | | | | for whatever llc defaults to. This fixes PR3363 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62619 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3243: a LiveVariables bug. When HandlePhysRegKill is checking whether ↵Evan Cheng2009-01-201-0/+15
| | | | | | the last reference is also the last def (i.e. dead def), it should also check if last reference is the current machine instruction being processed. This can happen when it is processing a physical register use and setting the current machine instruction as sub-register's last ref. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62617 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test case for PR3154.Evan Cheng2009-01-201-0/+104
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62604 91177308-0d34-0410-b5e6-96231b3b80d8
* Check that the "don't barf on k8" fix is notDuncan Sands2009-01-201-0/+2
| | | | | | | accidentally reverted again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62587 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily XFAIL until this can be looked at. r62557 is what caused it to ↵Bill Wendling2009-01-201-0/+1
| | | | | | start failing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62578 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for limited precision stuff.Bill Wendling2009-01-201-0/+133
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62572 91177308-0d34-0410-b5e6-96231b3b80d8
* another fix for PR3354Chris Lattner2009-01-201-1/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a dagcombine to not generate loads of non-round integer types,Dan Gohman2009-01-201-0/+14
| | | | | | | | as its comment says, even in the case where it will be generating extending loads. This fixes PR3216. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62557 91177308-0d34-0410-b5e6-96231b3b80d8
* Make linear scan's trivial coalescer slightly more aggressive.Evan Cheng2009-01-201-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62547 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a problem exposed by PR3354: simplifycfg was making a potentiallyChris Lattner2009-01-191-0/+20
| | | | | | | trapping instruction be executed unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
* Move & restructure test per review.Dale Johannesen2009-01-191-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62538 91177308-0d34-0410-b5e6-96231b3b80d8
* convert this to an unfoldable potentially trapping constant expr.Chris Lattner2009-01-191-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62536 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SelectionDAG::ReplaceAllUsesWith to behave correctly whenDan Gohman2009-01-191-0/+8
| | | | | | | | | | | | | | uses are added to the From node while it is processing From's use list, because of automatic local CSE. The fix is to avoid visiting any new uses. Fix a few places in the DAGCombiner that assumed that after a RAUW call, the From node has no users and may be deleted. This fixes PR3018. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62533 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3353, infinitely jump threading an infinite loop make from switches.Chris Lattner2009-01-191-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62529 91177308-0d34-0410-b5e6-96231b3b80d8
* compile-time fmod was done incorrectly. PR 3316.Dale Johannesen2009-01-191-0/+77
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62528 91177308-0d34-0410-b5e6-96231b3b80d8
* Verify Intrinsic::dbg_declare. Devang Patel2009-01-192-10/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62526 91177308-0d34-0410-b5e6-96231b3b80d8
* DIVREM isel deficiency: If sign bit is known zero, zero out DX/EDX/RDX ↵Evan Cheng2009-01-191-0/+7
| | | | | | instead of sign extending the low part (in AX/EAX/RAX) into it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62519 91177308-0d34-0410-b5e6-96231b3b80d8
* Port this test from dejagnu to unit testing.Nick Lewycky2009-01-191-30/+0
| | | | | | | | | | The way this worked before was to test APInt by running "lli -force-interpreter=true" knowing the lli uses APInt under the hood to store its values. Now, we test APInt directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62514 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r62487. It's causing this error during a release bootstrap ofBill Wendling2009-01-191-0/+1
| | | | | | | | | | | | | | | | | | llvm-gcc. Most likely, it's miscompiling one of the "gen*" programs: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.6.0/bin/ -c -g -O2 -mdynamic-no-pic -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -mdynamic-no-pic -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/build -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 -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include -D_DEBUG -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -o build/gencondmd.o build/gencondmd.c ../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token ../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: excess elements in struct initializer ../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: (near initialization for 'insn_conditions[4]') ../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token ../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected ',' or ';' before ')' token ../../llvm-gcc.src/gcc/config/i386/mmx.md:927: error: expected identifier or '(' before ',' token ../../llvm-gcc.src/gcc/config/i386/sse.md:3458: error: expected identifier or '(' before ',' token ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62506 91177308-0d34-0410-b5e6-96231b3b80d8
* Now not UINT_TO_FP is legal (it's marked custom), dag combiner won'tEvan Cheng2009-01-191-0/+1
| | | | | | | optimize it to a SINT_TO_FP when the sign bit is known zero. X86 isel should perform the optimization itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62504 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3016, a bug which can occur do to an invalid assumption:Chris Lattner2009-01-191-0/+30
| | | | | | | | | | we assumed a CFG structure that would be valid when all code in the function is reachable, but not all code is necessarily reachable. Do a simple, but horrible, CFG walk to check for this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62487 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix rdar://6505632, an llc crash on 483.xalancbmkChris Lattner2009-01-181-0/+36
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62470 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot this in the previous checkin: fopen now has nocapture, realloc isNick Lewycky2009-01-181-2/+2
| | | | | | | supposed to take two arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62457 91177308-0d34-0410-b5e6-96231b3b80d8
* Testcase for last commit.Bill Wendling2009-01-171-0/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62418 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MatchAddress bug that's preventing negative displacement from being ↵Evan Cheng2009-01-172-1/+19
| | | | | | folded in 64-bit mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62413 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify extract element of a scalar to vector.Mon P Wang2009-01-171-0/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62383 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PPC ISD::Declare isel and eliminate the need for ↵Evan Cheng2009-01-161-0/+19
| | | | | | PPCTargetLowering::LowerGlobalAddress to check if isVerifiedDebugInfoDesc() is true. Given the recent changes, it would falsely return true for a lot of GlobalAddressSDNode's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62373 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable the post-RA scheduler on this test, since it uses aDan Gohman2009-01-161-1/+2
| | | | | | | | simple %prcontext which doesn't find what it's looking for if the scheduler has rearranged the instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62363 91177308-0d34-0410-b5e6-96231b3b80d8
* CreateVirtualRegisters does trivial copy coalescing. If a node def is used ↵Evan Cheng2009-01-161-0/+50
| | | | | | by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62356 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3335 by not turning a store to one address space into a store to another.Chris Lattner2009-01-161-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62351 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for non-zero __builtin_return_address values on X86.Bill Wendling2009-01-161-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62338 91177308-0d34-0410-b5e6-96231b3b80d8
* This is now passing.Evan Cheng2009-01-161-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62308 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up previous cast optimization a bit. Also make zext elimination a bit ↵Evan Cheng2009-01-161-0/+7
| | | | | | more aggressive: if it's not necessary to emit an AND (i.e. high bits are already zero), it's profitable to evaluate the operand at a different type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62297 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not stumble over forward declared struct member. Devang Patel2009-01-161-0/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62288 91177308-0d34-0410-b5e6-96231b3b80d8
* Validate dbg_* intrinsics before lowering them.Devang Patel2009-01-151-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62286 91177308-0d34-0410-b5e6-96231b3b80d8
* Added missing support to widen an operand from a bit convert.Mon P Wang2009-01-151-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62285 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Alpha test and support for private linkage.Rafael Espindola2009-01-151-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62282 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand insert/extract of a <4 x i32> with a variable index.Mon P Wang2009-01-151-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62281 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the private linkage.Rafael Espindola2009-01-1510-0/+199
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
* Use lightweight DebugInfo objects directly.Devang Patel2009-01-151-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62276 91177308-0d34-0410-b5e6-96231b3b80d8
* Use variable's context to identify respective DbgScope.Devang Patel2009-01-151-0/+355
| | | | | | | Use light weight DebugInfo object directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62269 91177308-0d34-0410-b5e6-96231b3b80d8
* - Teach CanEvaluateInDifferentType of this xform: sext (zext ty1), ty2 -> ↵Evan Cheng2009-01-151-0/+11
| | | | | | | | | zext ty2 - Looking at the number of sign bits of the a sext instruction to determine whether new trunc + sext pair should be added when its source is being evaluated in a different type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62263 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't fold address calculations which use negative offsets intoRichard Osborne2009-01-151-0/+12
| | | | | | | the ADDRspii addressing mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62258 91177308-0d34-0410-b5e6-96231b3b80d8
* - Convert remaining i64 custom lowering into custom instruction emissionScott Michel2009-01-152-9/+40
| | | | | | | | | | | | | | sequences in SPUDAGToDAGISel.cpp and SPU64InstrInfo.td, killing custom DAG node types as needed. - i64 mul is now a legal instruction, but emits an instruction sequence that stretches tblgen and the imagination, as well as violating laws of several small countries and most southern US states (just kidding, but looking at a function with 80+ parameters is really weird and just plain wrong.) - Update tests as needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62254 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3325, a miscompilation of invokes by IPSCCP. Patch by Jay Foad!Chris Lattner2009-01-141-0/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62244 91177308-0d34-0410-b5e6-96231b3b80d8
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