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2009-01-21Run this through -simplifycfg and -mem2reg to test only what we need to test.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62714 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Do not use host floating point types when emittingDale Johannesen
ASCII IR; loading and storing these can change the bits of NaNs on some hosts. Remove or add warnings at a few other places using host floating point; this is a bad thing to do in general. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62712 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Simplify ReduceLoadWidth's logic: it doesn't need several differentDan Gohman
special cases after producing the new reduced-width load, because the new load already has the needed adjustments built into it. This fixes several bugs due to the special cases, including PR3317. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62692 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Fix a recent regression. ClrOpcode is not set for i8; for i8, ifDan Gohman
we want to clear %ah to zero before a division, just use a zero-extending mov to %al. This fixes PR3366. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62691 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Allow hooks with arguments.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62685 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21This was causing invalid memory accesses whenDuncan Sands
generating debug info in the compiler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62684 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Let's try to have our cake and eat it to: moveDuncan Sands
this test into FrontendC to ensure that llvm-gcc is available; assemble using "llvm-gcc -xassembler" rather than "as". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62683 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Don't rely on grep -w working.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62682 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21CellSPU:Scott Michel
- Ensure that (operation) legalization emits proper FDIV libcall when needed. - Fix various bugs encountered during llvm-spu-gcc build, along with various cleanups. - Start supporting double precision comparisons for remaining libgcc2 build. Discovered interesting DAGCombiner feature, which is currently solved via custom lowering (64-bit constants are not legal on CellSPU, but DAGCombiner insists on inserting one anyway.) - Update README. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Favors generating "not" over "xor -1". For example.Evan Cheng
unsigned test(unsigned a) { return ~a; } llvm used to generate: movl $4294967295, %eax xorl 4(%esp), %eax Now it generates: movl 4(%esp), %eax notl %eax It's 3 bytes shorter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62661 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Disable on x86_64 until I figure out what's wrong.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-21Make special cases (0 inf nan) work for frem.Dale Johannesen
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
2009-01-21Be more aggressive about renumbering vregs after splitting them.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62639 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Appropriately mark fowrad decls.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62625 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Need compile unit to find location.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Calls to fmod, it turns out, are constant-folded byDale Johannesen
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
2009-01-20Don't bother running the assembler, we don't know that it will be configuredChris Lattner
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
2009-01-20Fix PR3243: a LiveVariables bug. When HandlePhysRegKill is checking whether ↵Evan Cheng
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
2009-01-20Add test case for PR3154.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62604 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Check that the "don't barf on k8" fix is notDuncan Sands
accidentally reverted again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62587 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Temporarily XFAIL until this can be looked at. r62557 is what caused it to ↵Bill Wendling
start failing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62578 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Testcase for limited precision stuff.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62572 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20another fix for PR3354Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Fix a dagcombine to not generate loads of non-round integer types,Dan Gohman
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
2009-01-20Make linear scan's trivial coalescer slightly more aggressive.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62547 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19Fix a problem exposed by PR3354: simplifycfg was making a potentiallyChris Lattner
trapping instruction be executed unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19Move & restructure test per review.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62538 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19convert this to an unfoldable potentially trapping constant expr.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62536 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19Fix SelectionDAG::ReplaceAllUsesWith to behave correctly whenDan Gohman
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
2009-01-19Fix PR3353, infinitely jump threading an infinite loop make from switches.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62529 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19compile-time fmod was done incorrectly. PR 3316.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62528 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19Verify Intrinsic::dbg_declare. Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62526 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19DIVREM isel deficiency: If sign bit is known zero, zero out DX/EDX/RDX ↵Evan Cheng
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
2009-01-19Port this test from dejagnu to unit testing.Nick Lewycky
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
2009-01-19Temporarily revert r62487. It's causing this error during a release bootstrap ofBill Wendling
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
2009-01-19Now not UINT_TO_FP is legal (it's marked custom), dag combiner won'tEvan Cheng
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
2009-01-19Fix PR3016, a bug which can occur do to an invalid assumption:Chris Lattner
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
2009-01-18Fix rdar://6505632, an llc crash on 483.xalancbmkChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62470 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18Forgot this in the previous checkin: fopen now has nocapture, realloc isNick Lewycky
supposed to take two arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17Testcase for last commit.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62418 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17Fix MatchAddress bug that's preventing negative displacement from being ↵Evan Cheng
folded in 64-bit mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62413 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-17Simplify extract element of a scalar to vector.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62383 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16Fix PPC ISD::Declare isel and eliminate the need for ↵Evan Cheng
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
2009-01-16Disable the post-RA scheduler on this test, since it uses aDan Gohman
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
2009-01-16CreateVirtualRegisters does trivial copy coalescing. If a node def is used ↵Evan Cheng
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
2009-01-16Fix PR3335 by not turning a store to one address space into a store to another.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16Add support for non-zero __builtin_return_address values on X86.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16This is now passing.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62308 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16Clean up previous cast optimization a bit. Also make zext elimination a bit ↵Evan Cheng
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
2009-01-16Do not stumble over forward declared struct member. Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62288 91177308-0d34-0410-b5e6-96231b3b80d8
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