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Hal Finkel bd6f1f6896 DAGCombine tryFoldToZero cannot create illegal types after type legalization 
When folding sub x, x (and other similar constructs), where x is a vector, the
result is a vector of zeros. After type legalization, make sure that the input
zero elements have a legal type. This type may be larger than the result's
vector element type.

This was another bug found by llvm-stress.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185949 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-09 17:02:45 +00:00
..
2004-11-29-ShrCrash.ll
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2004-11-30-shift-crash.ll
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2004-11-30-shr-var-crash.ll
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2004-12-12-ZeroSizeCommon.ll
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2005-01-14-SetSelectCrash.ll
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2005-01-14-UndefLong.ll
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2005-08-12-rlwimi-crash.ll
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2005-09-02-LegalizeDuplicatesCalls.ll
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2005-10-08-ArithmeticRotate.ll
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2005-11-30-vastart-crash.ll
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2006-01-11-darwin-fp-argument.ll
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2006-01-20-ShiftPartsCrash.ll
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2006-04-01-FloatDoubleExtend.ll
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2006-04-05-splat-ish.ll
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2006-04-19-vmaddfp-crash.ll
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2006-05-12-rlwimi-crash.ll
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2006-07-07-ComputeMaskedBits.ll
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2006-07-19-stwbrx-crash.ll
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2006-08-11-RetVector.ll
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2006-08-15-SelectionCrash.ll
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2006-09-28-shift_64.ll
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2006-10-13-Miscompile.ll
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2006-10-17-brcc-miscompile.ll
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2006-10-17-ppc64-alloca.ll
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2006-11-10-DAGCombineMiscompile.ll
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2006-11-29-AltivecFPSplat.ll
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2006-12-07-LargeAlloca.ll
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2006-12-07-SelectCrash.ll
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2007-01-04-ArgExtension.ll
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2007-01-15-AsmDialect.ll
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2007-01-29-lbrx-asm.ll
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2007-01-31-InlineAsmAddrMode.ll
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2007-02-16-AlignPacked.ll
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2007-02-16-InlineAsmNConstraint.ll
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2007-02-23-lr-saved-twice.ll
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2007-03-24-cntlzd.ll
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2007-03-30-SpillerCrash.ll
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2007-04-24-InlineAsm-I-Modifier.ll
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2007-04-30-InlineAsmEarlyClobber.ll
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2007-05-03-InlineAsm-S-Constraint.ll
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2007-05-14-InlineAsmSelectCrash.ll
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2007-05-22-tailmerge-3.ll
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2007-05-30-dagcombine-miscomp.ll
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2007-06-28-BCCISelBug.ll
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2007-08-04-CoalescerAssert.ll
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2007-09-04-AltivecDST.ll
Protect PPC Altivec patterns with a predicate
2013-03-15 13:21:21 +00:00
2007-09-07-LoadStoreIdxForms.ll
LocalStackSlotAllocation improvements
2013-04-30 20:04:37 +00:00
2007-09-08-unaligned.ll
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2007-09-11-RegCoalescerAssert.ll
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2007-09-12-LiveIntervalsAssert.ll
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2007-10-16-InlineAsmFrameOffset.ll
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2007-10-18-PtrArithmetic.ll
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2007-10-21-LocalRegAllocAssert2.ll
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2007-10-21-LocalRegAllocAssert.ll
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2007-11-04-CoalescerCrash.ll
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2007-11-16-landingpad-split.ll
Extend test to check the .cfi instructions.
2013-05-16 14:30:09 +00:00
2007-11-19-VectorSplitting.ll
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2008-02-05-LiveIntervalsAssert.ll
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2008-02-09-LocalRegAllocAssert.ll
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2008-03-05-RegScavengerAssert.ll
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2008-03-17-RegScavengerCrash.ll
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2008-03-18-RegScavengerAssert.ll
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2008-03-24-AddressRegImm.ll
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2008-03-24-CoalescerBug.ll
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2008-03-26-CoalescerBug.ll
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2008-04-10-LiveIntervalCrash.ll
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2008-04-16-CoalescerBug.ll
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2008-04-23-CoalescerCrash.ll
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2008-05-01-ppc_fp128.ll
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2008-06-19-LegalizerCrash.ll
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2008-06-21-F128LoadStore.ll
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2008-06-23-LiveVariablesCrash.ll
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2008-07-10-SplatMiscompile.ll
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2008-07-15-Bswap.ll
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2008-07-15-Fabs.ll
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2008-07-15-SignExtendInreg.ll
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2008-07-17-Fneg.ll
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2008-07-24-PPC64-CCBug.ll
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2008-09-12-CoalescerBug.ll
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2008-10-17-AsmMatchingOperands.ll
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2008-10-28-f128-i32.ll
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2008-10-28-UnprocessedNode.ll
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2008-10-31-PPCF128Libcalls.ll
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2008-12-02-LegalizeTypeAssert.ll
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2008-12-12-EH.ll
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2009-01-16-DeclareISelBug.ll
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2009-03-17-LSRBug.ll
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2009-05-28-LegalizeBRCC.ll
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2009-07-16-InlineAsm-M-Operand.ll
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2009-08-17-inline-asm-addr-mode-breakage.ll
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2009-08-23-linkerprivate.ll
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2009-09-18-carrybit.ll
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2009-11-15-ProcImpDefsBug.ll
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2009-11-25-ImpDefBug.ll
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2010-02-04-EmptyGlobal.ll
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2010-02-12-saveCR.ll
Cleanup PPC CR-spill kill flags and 32- vs. 64-bit instructions
2013-03-28 03:38:16 +00:00
2010-03-09-indirect-call.ll
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2010-04-01-MachineCSEBug.ll
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2010-05-03-retaddr1.ll
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2010-10-11-Fast-Varargs.ll
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2010-12-18-PPCStackRefs.ll
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2011-12-05-NoSpillDupCR.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
2011-12-06-SpillAndRestoreCR.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
2011-12-08-DemandedBitsMiscompile.ll
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2012-09-16-TOC-entry-check.ll
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2012-10-11-dynalloc.ll
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2012-10-12-bitcast.ll
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2012-11-16-mischedcall.ll
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2013-05-15-preinc-fold.ll
[PowerPC] Use true offset value in "memrix" machine operands
2013-05-16 17:58:02 +00:00
2013-07-01-PHIElimBug.ll
Fix PR16508.
2013-07-01 19:42:46 +00:00
a2-fp-basic.ll
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a2q-stackalign.ll
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a2q.ll
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addc.ll
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addi-reassoc.ll
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addrfuncstr.ll
PPC64: Constant initializers with dynamic relocations go in .data.rel.ro.
2013-05-13 19:34:37 +00:00
align.ll
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allocate-r0.ll
Allocate r0 on PPC
2013-03-27 06:52:27 +00:00
altivec-ord.ll
PPC: Mark vector CC action for SETO and SETONE as Expand
2013-07-08 20:00:03 +00:00
and_add.ll
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and_sext.ll
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and_sra.ll
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and-branch.ll
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and-elim.ll
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and-imm.ll
…
anon_aggr.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
asm-dialect.ll
[PowerPC] Always use "assembler dialect" 1
2013-07-08 20:20:51 +00:00
asm-Zy.ll
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asym-regclass-copy.ll
Fix a register-class comparison bug in PPCCTRLoops
2013-03-21 23:23:34 +00:00
atomic-1.ll
Print PPC ZERO as 0 (not r0) even on Darwin
2013-03-27 13:20:52 +00:00
atomic-2.ll
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Atomics-32.ll
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Atomics-64.ll
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available-externally.ll
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bdzlr.ll
Manually remove successors in if conversion when CopyAndPredicateBlock is used
2013-04-10 22:05:25 +00:00
big-endian-actual-args.ll
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big-endian-call-result.ll
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big-endian-formal-args.ll
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branch-opt.ll
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bswap-load-store.ll
Specify CPUs on the PPC bswap-load-store test
2013-03-28 20:35:18 +00:00
buildvec_canonicalize.ll
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bv-pres-v8i1.ll
Fix PromoteIntRes_BUILD_VECTOR crash with i1 vectors
2013-07-08 06:16:58 +00:00
calls.ll
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can-lower-ret.ll
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cmp-cmp.ll
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coalesce-ext.ll
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compare-duplicate.ll
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compare-simm.ll
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complex-return.ll
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constants.ll
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cr1eq-no-extra-moves.ll
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cr1eq.ll
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cr_spilling.ll
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cr-spills.ll
Cleanup PPC CR-spill kill flags and 32- vs. 64-bit instructions
2013-03-28 03:38:16 +00:00
crsave.ll
[PowerPC] Use mtocrf when available
2013-07-03 17:59:07 +00:00
ctr-cleanup.ll
Cleanup initial-value constants in PPCCTRLoops
2013-03-18 17:40:27 +00:00
ctrloop-asm.ll
Check InlineAsm clobbers in PPCCTRLoops
2013-05-18 09:20:39 +00:00
ctrloop-fp64.ll
Fix cpu on test CodeGen/PowerPC/ctrloop-fp64.ll
2013-05-16 20:28:05 +00:00
ctrloop-i64.ll
Disallow i64 div/rem in PPC32 counter loops
2013-06-07 22:16:19 +00:00
ctrloop-large-ec.ll
Don't form PPC CTR loops for over-sized exit counts
2013-07-01 19:34:59 +00:00
ctrloop-le.ll
Implement PPC counter loops as a late IR-level pass
2013-05-15 21:37:41 +00:00
ctrloop-lt.ll
Implement PPC counter loops as a late IR-level pass
2013-05-15 21:37:41 +00:00
ctrloop-ne.ll
Implement PPC counter loops as a late IR-level pass
2013-05-15 21:37:41 +00:00
ctrloop-reg.ll
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ctrloop-s000.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
ctrloop-sums.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
ctrloops.ll
Implement PPC counter loops as a late IR-level pass
2013-05-15 21:37:41 +00:00
cttz.ll
Fix PowerPC/cttz.ll to specify a cpu (and use FileCheck)
2013-04-01 16:31:56 +00:00
darwin-labels.ll
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dbg.ll
Remove unused field in DISubprogram
2013-03-21 20:28:52 +00:00
DbgValueOtherTargets.test
Remove unnecessary leading comment characters in lit-only file
2013-03-18 22:08:16 +00:00
dcbt-sched.ll
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delete-node.ll
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div-2.ll
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early-ret2.ll
Manually remove successors in if conversion when CopyAndPredicateBlock is used
2013-04-10 22:05:25 +00:00
early-ret.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
empty-functions.ll
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emptystruct.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
eqv-andc-orc-nor.ll
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extsh.ll
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fabs.ll
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float-asmprint.ll
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float-to-int.ll
Fix a bad assert in PPCTargetLowering
2013-04-01 18:42:58 +00:00
floatPSA.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
fma.ll
FileCheckize a bunch of tests.
2013-04-11 12:32:23 +00:00
fnabs.ll
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fneg.ll
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fold-li.ll
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fold-zero.ll
Implement PPCInstrInfo::FoldImmediate
2013-04-06 19:30:30 +00:00
fp_to_uint.ll
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fp-branch.ll
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fp-int-fp.ll
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fpcopy.ll
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frame-size.ll
Allocate the RS spill slot for any PPC function with spills and a large stack frame
2013-03-15 05:06:04 +00:00
frameaddr.ll
Correct PPC FRAMEADDR lowering using a pseudo-register
2013-03-21 19:03:19 +00:00
Frames-alloca.ll
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Frames-large.ll
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Frames-leaf.ll
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Frames-small.ll
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frounds.ll
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fsel.ll
Cleanup and improve PPC fsel generation
2013-04-07 22:11:09 +00:00
fsl-e500mc.ll
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fsl-e5500.ll
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fsqrt.ll
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hello.ll
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hidden-vis-2.ll
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hidden-vis.ll
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i32-to-float.ll
Add more PPC floating-point conversion instructions
2013-04-01 17:52:07 +00:00
i64_fp_round.ll
Add more PPC floating-point conversion instructions
2013-04-01 17:52:07 +00:00
i64_fp.ll
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i64-to-float.ll
Add more PPC floating-point conversion instructions
2013-04-01 17:52:07 +00:00
i128-and-beyond.ll
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iabs.ll
Revert the test moves from 176733. Use "REQUIRES: asserts" instead.
2013-03-12 16:27:52 +00:00
ifcvt.ll
Enable early if conversion on PPC
2013-04-05 23:29:01 +00:00
illegal-element-type.ll
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in-asm-f64-reg.ll
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indirectbr.ll
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inlineasm-copy.ll
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int-fp-conv-0.ll
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int-fp-conv-1.ll
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inverted-bool-compares.ll
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isel.ll
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ispositive.ll
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itofp128.ll
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jaggedstructs.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
LargeAbsoluteAddr.ll
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lbzux.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
lha.ll
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lit.local.cfg
Include '.test' suffix in target specific lit configs that need it
2013-03-18 20:31:44 +00:00
load-constant-addr.ll
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load-shift-combine.ll
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long-compare.ll
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longdbl-truncate.ll
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lsa.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
lsr-postinc-pos.ll
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mask64.ll
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mcm-1.ll
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mcm-2.ll
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mcm-3.ll
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mcm-4.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
mcm-5.ll
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mcm-6.ll
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mcm-7.ll
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mcm-8.ll
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mcm-9.ll
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mcm-10.ll
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mcm-11.ll
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mcm-12.ll
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mcm-default.ll
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mcm-obj-2.ll
Change how we iterate over relocations on ELF.
2013-05-30 03:05:14 +00:00
mcm-obj.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
mem_update.ll
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mem-rr-addr-mode.ll
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misched-inorder-latency.ll
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misched.ll
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mul-neg-power-2.ll
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mul-with-overflow.ll
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mulhs.ll
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mult-alt-generic-powerpc64.ll
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mult-alt-generic-powerpc.ll
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neg.ll
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negctr.ll
Implement PPC counter loops as a late IR-level pass
2013-05-15 21:37:41 +00:00
no-dead-strip.ll
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novrsave.ll
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optcmp.ll
PPCInstrInfo::optimizeCompareInstr should not optimize FP compares
2013-05-08 12:16:14 +00:00
or-addressing-mode.ll
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popcnt.ll
Add the PPC popcntw instruction
2013-04-01 15:58:15 +00:00
ppc64-32bit-addic.ll
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ppc64-abi-extend.ll
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ppc64-align-long-double.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
ppc64-calls.ll
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ppc64-crash.ll
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ppc64-cyclecounter.ll
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ppc64-linux-func-size.ll
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ppc64-prefetch.ll
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ppc64-toc.ll
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ppc64-vaarg-int.ll
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ppc64-zext.ll
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ppc440-fp-basic.ll
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ppc440-msync.ll
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ppc-prologue.ll
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ppc-vaarg-agg.ll
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ppcf128-1-opt.ll
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ppcf128-1.ll
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ppcf128-2.ll
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ppcf128-3.ll
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ppcf128-4.ll
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pr3711_widen_bit.ll
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pr12757.ll
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pr13641.ll
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pr13891.ll
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pr15031.ll
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pr15359.ll
Replace coff-/elf-dump with llvm-readobj
2013-04-12 04:06:46 +00:00
pr15630.ll
Fix PR15630: Replace faulty stdcx. with stwcx.
2013-04-02 18:37:08 +00:00
pr15632.ll
Fix PR15632: No support for ppcf128 floating-point remainder on PowerPC.
2013-04-03 13:05:44 +00:00
pr16556.ll
[PowerPC] Fix PR16556 (handle undef ppcf128 in LowerFP_TO_INT).
2013-07-08 14:22:45 +00:00
private.ll
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pwr3-6x.ll
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quadint-return.ll
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r31.ll
Don't reserve R31 on PPC64 unless the frame pointer is needed
2013-03-19 08:09:38 +00:00
recipest.ll
Use new CHECK-DAG support to stabilize CodeGen/PowerPC/recipest.ll
2013-05-16 16:15:18 +00:00
reg-coalesce-simple.ll
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reloc-align.ll
Index: test/CodeGen/PowerPC/reloc-align.ll
2013-07-01 20:52:27 +00:00
remat-imm.ll
…
retaddr.ll
…
return-val-i128.ll
…
rlwimi2.ll
…
rlwimi3.ll
Revert the test moves from 176733. Use "REQUIRES: asserts" instead.
2013-03-12 16:27:52 +00:00
rlwimi-and.ll
Fix a PPC rlwimi instruction-selection bug
2013-06-28 20:00:07 +00:00
rlwimi-commute.ll
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rlwimi-keep-rsh.ll
…
rlwimi.ll
…
rlwinm2.ll
…
rlwinm.ll
…
rotl-2.ll
…
rotl-64.ll
…
rotl.ll
…
rounding-ops.ll
Generate PPC early conditional returns
2013-04-08 16:24:03 +00:00
s000-alias-misched.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
sdag-ppcf128.ll
…
sections.ll
…
select_lt0.ll
…
select-cc.ll
…
setcc_no_zext.ll
…
seteq-0.ll
…
shift128.ll
…
shl_elim.ll
…
shl_sext.ll
…
sign_ext_inreg1.ll
…
sjlj.ll
Don't spill PPC VRSAVE on non-Darwin (even in SjLj)
2013-03-27 00:02:20 +00:00
small-arguments.ll
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stack-protector.ll
Fix CodeGen/PowerPC/stack-protector.ll on OpenBSD
2013-06-28 20:18:14 +00:00
std-unal-fi.ll
PPC: Allocate RS spill slot for unaligned i64 load/store
2013-07-09 06:34:51 +00:00
stdux-constuse.ll
…
stfiwx-2.ll
Add triple to test/CodeGen/PowerPC/stfiwx-2
2013-04-01 18:18:44 +00:00
stfiwx.ll
…
store-load-fwd.ll
…
store-update.ll
Rewrite pre-increment store patterns to use standard memory operands.
2013-03-19 19:52:04 +00:00
structsinmem.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
structsinregs.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00
stubs.ll
Make all darwin ppc stubs local.
2013-04-27 00:43:16 +00:00
stwu8.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
stwu-gta.ll
TBAA: remove !tbaa from testing cases if not used.
2013-04-30 17:52:57 +00:00
stwux.ll
…
sub-bv-types.ll
DAGCombine tryFoldToZero cannot create illegal types after type legalization
2013-07-09 17:02:45 +00:00
subc.ll
…
svr4-redzone.ll
…
tailcall1-64.ll
…
tailcall1.ll
…
tailcallpic1.ll
…
tls-2.ll
…
tls-gd-obj.ll
Change how we iterate over relocations on ELF.
2013-05-30 03:05:14 +00:00
tls-gd.ll
[PowerPC] Revert r185476 and fix up TLS variant kinds
2013-07-09 16:41:09 +00:00
tls-ie-obj.ll
Change how we iterate over relocations on ELF.
2013-05-30 03:05:14 +00:00
tls-ie.ll
…
tls-ld-2.ll
[PowerPC] Revert r185476 and fix up TLS variant kinds
2013-07-09 16:41:09 +00:00
tls-ld-obj.ll
Change how we iterate over relocations on ELF.
2013-05-30 03:05:14 +00:00
tls-ld.ll
[PowerPC] Revert r185476 and fix up TLS variant kinds
2013-07-09 16:41:09 +00:00
tls.ll
Remove the link register from the GPR classes on PowerPC.
2013-03-27 02:40:14 +00:00
trampoline.ll
…
unal4-std.ll
Cleanup PPC64 unaligned i64 load/store
2013-03-19 15:23:39 +00:00
unal-altivec.ll
Prefer to duplicate PPC Altivec loads when expanding unaligned loads
2013-05-26 18:08:30 +00:00
unaligned.ll
Enable unaligned memory access on PPC for scalar types
2013-03-15 15:27:13 +00:00
unsafe-math.ll
…
unwind-dw2-g.ll
Cleanup PPC Altivec registers in CSR lists and improve VRSAVE handling
2013-07-02 03:39:34 +00:00
unwind-dw2.ll
PPC: Ignore spill/restore requests for VRSAVE (except on Darwin)
2013-06-28 22:29:56 +00:00
vaddsplat.ll
…
varargs-struct-float.ll
…
varargs.ll
…
vcmp-fold.ll
…
vec_auto_constant.ll
…
vec_br_cmp.ll
…
vec_buildvector_loadstore.ll
…
vec_call.ll
…
vec_cmp.ll
…
vec_constants.ll
…
vec_conv.ll
…
vec_extload.ll
…
vec_fneg.ll
…
vec_insert.ll
…
vec_misaligned.ll
…
vec_mul.ll
…
vec_perf_shuffle.ll
…
vec_rounding.ll
Add PPC FP rounding instructions fri[mnpz]
2013-03-29 08:57:48 +00:00
vec_select.ll
…
vec_shift.ll
…
vec_shuffle.ll
…
vec_splat_constant.ll
…
vec_splat.ll
…
vec_sqrt.ll
…
vec_vrsave.ll
…
vec_zero.ll
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vector-identity-shuffle.ll
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vector.ll
PPC: Mark vector FREM as Expand by default
2013-07-08 17:30:25 +00:00
vrsave-spill.ll
Don't spill PPC VRSAVE on non-Darwin (even in SjLj)
2013-03-27 00:02:20 +00:00
vrspill.ll
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
2013-06-13 20:23:34 +00:00