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llvm-6502/test/CodeGen/PowerPC
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Evan Cheng 5379f412bc Fix PR3149. If an early clobber def is a physical register and it is tied to an input operand, it effectively extends the live range of the physical register. Currently we do not have a good way to represent this. 
172     %ECX<def> = MOV32rr %reg1039<kill>
180     INLINEASM <es:subl $5,$1
        sbbl $3,$0>, 10, %EAX<def>, 14, %ECX<earlyclobber,def>, 9, %EAX<kill>,
36, <fi#0>, 1, %reg0, 0, 9, %ECX<kill>, 36, <fi#1>, 1, %reg0, 0
188     %EAX<def> = MOV32rr %EAX<kill>
196     %ECX<def> = MOV32rr %ECX<kill>
204     %ECX<def> = MOV32rr %ECX<kill>
212     %EAX<def> = MOV32rr %EAX<kill>
220     %EAX<def> = MOV32rr %EAX
228     %reg1039<def> = MOV32rr %ECX<kill>

The early clobber operand ties ECX input to the ECX def.

The live interval of ECX is represented as this:
%reg20,inf = [46,47:1)[174,230:0)  0@174-(230) 1@46-(47)

The right way to represent this is something like
%reg20,inf = [46,47:2)[174,182:1)[181:230:0)  0@174-(182) 1@181-230 @2@46-(47)

Of course that won't work since that means overlapping live ranges defined by two val#.

The workaround for now is to add a bit to val# which says the val# is redefined by a early clobber def somewhere. This prevents the move at 228 from being optimized away by SimpleRegisterCoalescing::AdjustCopiesBackFrom.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61259 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-19 20:58:01 +00:00
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2004-11-29-ShrCrash.ll
upgrade this test
2008-03-09 00:32:10 +00:00
2004-11-30-shift-crash.ll
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2008-03-25 04:26:08 +00:00
2004-11-30-shr-var-crash.ll
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2008-03-25 04:26:08 +00:00
2004-12-12-ZeroSizeCommon.ll
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2008-03-25 04:26:08 +00:00
2005-01-14-SetSelectCrash.ll
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2008-03-25 04:26:08 +00:00
2005-01-14-UndefLong.ll
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2008-03-25 04:26:08 +00:00
2005-08-12-rlwimi-crash.ll
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2008-03-25 04:26:08 +00:00
2005-09-02-LegalizeDuplicatesCalls.ll
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2008-03-25 04:26:08 +00:00
2005-10-08-ArithmeticRotate.ll
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2008-03-25 04:26:08 +00:00
2005-11-30-vastart-crash.ll
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2008-03-25 04:26:08 +00:00
2006-01-11-darwin-fp-argument.ll
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2008-03-25 04:26:08 +00:00
2006-01-20-ShiftPartsCrash.ll
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2008-03-25 04:26:08 +00:00
2006-04-01-FloatDoubleExtend.ll
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2008-03-25 04:26:08 +00:00
2006-04-05-splat-ish.ll
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2008-03-25 04:26:08 +00:00
2006-04-19-vmaddfp-crash.ll
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2008-03-25 04:26:08 +00:00
2006-05-12-rlwimi-crash.ll
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2008-03-25 04:26:08 +00:00
2006-07-07-ComputeMaskedBits.ll
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2008-03-25 04:26:08 +00:00
2006-07-19-stwbrx-crash.ll
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2008-03-25 04:26:08 +00:00
2006-08-11-RetVector.ll
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2008-03-25 04:26:08 +00:00
2006-08-15-SelectionCrash.ll
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2008-03-25 04:26:08 +00:00
2006-09-28-shift_64.ll
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2008-03-25 04:26:08 +00:00
2006-10-11-combiner-aa-regression.ll
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2008-03-25 04:26:08 +00:00
2006-10-13-Miscompile.ll
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2008-03-25 04:26:08 +00:00
2006-10-17-brcc-miscompile.ll
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2008-03-25 04:26:08 +00:00
2006-10-17-ppc64-alloca.ll
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2008-03-25 04:26:08 +00:00
2006-11-10-DAGCombineMiscompile.ll
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2008-03-25 04:26:08 +00:00
2006-11-29-AltivecFPSplat.ll
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2008-03-25 04:26:08 +00:00
2006-12-07-LargeAlloca.ll
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2008-03-25 04:26:08 +00:00
2006-12-07-SelectCrash.ll
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2008-03-25 04:26:08 +00:00
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
Implement a signficant optimization for inline asm:
2008-04-27 00:37:18 +00:00
2007-04-30-InlineAsmEarlyClobber.ll
Fix PR3149. If an early clobber def is a physical register and it is tied to an input operand, it effectively extends the live range of the physical register. Currently we do not have a good way to represent this.
2008-12-19 20:58:01 +00:00
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
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2007-09-07-LoadStoreIdxForms.ll
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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
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2007-11-19-VectorSplitting.ll
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2008-01-25-EmptyFunction.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
Update llc flags for PPC register scavenger.
2008-03-10 22:59:08 +00:00
2008-03-06-KillInfo.ll
Update llc flags for PPC register scavenger.
2008-03-10 22:59:08 +00:00
2008-03-17-RegScavengerCrash.ll
Rewrite code that propagate isDead information after a dead copy is coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs.
2008-03-18 08:26:47 +00:00
2008-03-18-RegScavengerAssert.ll
Fix live variables issues:
2008-03-19 00:52:20 +00:00
2008-03-24-AddressRegImm.ll
Use the bit size of the operand instead of the hard-coded 32 to generate the
2008-03-24 23:16:37 +00:00
2008-03-24-CoalescerBug.ll
lastRegisterUse() should ignore identity copies. Those will be erased.
2008-03-25 02:02:19 +00:00
2008-03-26-CoalescerBug.ll
One more coalescer fix wrt deadness propagation.
2008-03-26 20:15:49 +00:00
2008-04-10-LiveIntervalCrash.ll
A copy instruction may use a register multiple times on some targets. Change them all.
2008-04-10 18:38:47 +00:00
2008-04-16-CoalescerBug.ll
After reading memory that's already freed.
2008-04-16 20:24:25 +00:00
2008-04-23-CoalescerCrash.ll
New test.
2008-04-24 20:01:58 +00:00
2008-05-01-ppc_fp128.ll
Adding testcase.
2008-05-01 18:41:09 +00:00
2008-06-19-LegalizerCrash.ll
ISD::UNDEF should be expanded recursively / iteratively.
2008-06-19 22:01:11 +00:00
2008-06-21-F128LoadStore.ll
Support for load/store of expanded float types. I
2008-06-21 17:00:47 +00:00
2008-06-23-LiveVariablesCrash.ll
This situation can occur:
2008-06-23 23:41:14 +00:00
2008-07-10-SplatMiscompile.ll
Fix an altivec constant miscompilation that Duncan found through
2008-07-10 16:33:38 +00:00
2008-07-15-Bswap.ll
LegalizeTypes support for promotion of bswap.
2008-07-15 10:18:22 +00:00
2008-07-15-Fabs.ll
LegalizeTypes support for fabs on ppc long double.
2008-07-15 15:02:44 +00:00
2008-07-15-SignExtendInreg.ll
LegalizeTypes support for promotion of SIGN_EXTEND_INREG.
2008-07-15 10:14:24 +00:00
2008-07-17-Fneg.ll
LegalizeTypes support for what seems to be the
2008-07-17 17:35:14 +00:00
2008-07-24-PPC64-CCBug.ll
Fix a catastrophic PPC64 ABI bug: i32 operands which are passed in memory (all of the parameter registers are used) are loaded from sp offsets that were off by 4.
2008-07-24 08:17:07 +00:00
2008-09-12-CoalescerBug.ll
On some targets, non-move instructions can become move instructions because of coalescing. e.g.
2008-09-12 18:13:14 +00:00
2008-10-17-AsmMatchingOperands.ll
We have decided not to support inline asm where an output operand with a matching input operand with incompatible type (i.e. either one is a floating point and the other is an integer or the sizes of the types differ). SelectionDAGBuild will catch these and exit with an error.
2008-12-16 18:21:39 +00:00
2008-10-28-f128-i32.ll
Fix darwin ppc llvm-gcc build breakage: intercept
2008-10-28 15:00:32 +00:00
2008-10-28-UnprocessedNode.ll
Fix a testcase provided by Bill in which the node
2008-10-28 09:38:36 +00:00
2008-10-30-IllegalShift.ll
Testcase for PR2986.
2008-10-30 20:34:30 +00:00
2008-10-31-PPCF128Libcalls.ll
Add a bunch of libcalls for ppcf128 that were somehow
2008-10-31 14:06:52 +00:00
2008-12-02-LegalizeTypeAssert.ll
Remove a (what appears to be) overly strict assertion. Here is what happened:
2008-12-02 21:57:09 +00:00
20081212.ll
Fix bug 3202.
2008-12-19 10:55:56 +00:00
addc.ll
Byebye llvm-upgrade!
2008-03-25 04:26:08 +00:00
addi-reassoc.ll
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2008-03-25 04:26:08 +00:00
align.ll
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2008-03-25 04:26:08 +00:00
and_add.ll
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2008-03-25 04:26:08 +00:00
and_sext.ll
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and_sra.ll
Byebye llvm-upgrade!
2008-03-25 04:26:08 +00:00
and-branch.ll
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2008-03-25 04:26:08 +00:00
and-elim.ll
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and-imm.ll
Byebye llvm-upgrade!
2008-03-25 04:26:08 +00:00
atomic-1.ll
Adjust grep's for new code sequence.
2008-08-25 18:53:58 +00:00
atomic-2.ll
Adjust grep's for new code sequence.
2008-08-25 18:53:58 +00:00
Atomics-32.ll
Testcases for ppc atomics.
2008-08-30 00:54:31 +00:00
Atomics-64.ll
Testcases for ppc atomics.
2008-08-30 00:54:31 +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
Byebye llvm-upgrade!
2008-03-25 04:26:08 +00:00
bswap-load-store.ll
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2008-03-25 04:26:08 +00:00
buildvec_canonicalize.ll
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2008-03-25 04:26:08 +00:00
calls.ll
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2008-03-25 04:26:08 +00:00
cmp-cmp.ll
Byebye llvm-upgrade!
2008-03-25 04:26:08 +00:00
compare-duplicate.ll
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compare-simm.ll
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constants.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
cr_spilling.ll
Testcase for PR1638.
2008-10-15 18:27:15 +00:00
cttz.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
darwin-labels.ll
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2008-02-19 08:07:33 +00:00
delete-node.ll
Make ISel ignore dead nodes. The DAGCombiner normally eliminates
2008-11-05 22:56:47 +00:00
dg.exp
sabre brings to my attention that the 'tr' suffix is also obsolete
2008-05-20 21:00:03 +00:00
div-2.ll
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2008-02-19 08:07:33 +00:00
eqv-andc-orc-nor.ll
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2008-02-19 08:07:33 +00:00
extsh.ll
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2008-02-19 08:07:33 +00:00
fabs.ll
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fma.ll
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2008-02-19 08:07:33 +00:00
fnabs.ll
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2008-02-19 08:07:33 +00:00
fneg.ll
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fold-li.ll
Remove -unwind-tables-optional everywhere, since
2008-04-14 17:56:54 +00:00
fp_to_uint.ll
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2008-02-19 08:07:33 +00:00
fp-branch.ll
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2008-02-19 08:07:33 +00:00
fp-int-fp.ll
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2008-02-19 08:07:33 +00:00
fpcopy.ll
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2008-02-19 08:07:33 +00:00
Frames-alloca.ll
Update llc flags for PPC register scavenger.
2008-03-10 22:59:08 +00:00
Frames-large.ll
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2008-03-25 04:26:08 +00:00
Frames-leaf.ll
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2008-03-25 04:26:08 +00:00
Frames-small.ll
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2008-03-25 04:26:08 +00:00
frounds.ll
Really feed llvm-as with the testcase, do not let it read from stdin. This fixes the hangs seen on solaris10.
2008-02-26 13:37:13 +00:00
fsqrt.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
hello.ll
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hidden-vis-2.ll
Re-did 60519. It turns out Darwin's handling of hidden visibility symbols are a bit more complicate than I expected. Both declarations and weak definitions still need a stub indirection. However, the stubs are in data section and they contain the addresses of the actual symbols.
2008-12-05 01:06:39 +00:00
hidden-vis.ll
Re-did 60519. It turns out Darwin's handling of hidden visibility symbols are a bit more complicate than I expected. Both declarations and weak definitions still need a stub indirection. However, the stubs are in data section and they contain the addresses of the actual symbols.
2008-12-05 01:06:39 +00:00
i64_fp.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
i128-and-beyond.ll
Split this test and move it into target-specific directories.
2008-10-01 19:46:30 +00:00
iabs.ll
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illegal-element-type.ll
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inlineasm-copy.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
int-fp-conv-0.ll
Check that running the DAG combiner between type
2008-11-26 16:44:30 +00:00
int-fp-conv-1.ll
Generalize ExpandIntToFP to handle the case where the operand is legal
2008-03-11 01:59:03 +00:00
invalid-memcpy.ll
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inverted-bool-compares.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
ispositive.ll
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itofp128.ll
Implement more support for fp-to-i128 and i128-to-fp conversions.
2008-03-10 23:03:31 +00:00
LargeAbsoluteAddr.ll
Add a new function, ReplaceAllUsesOfValuesWith, which handles bulk
2008-07-17 19:10:17 +00:00
lha.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
load-constant-addr.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
long-compare.ll
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longdbl-truncate.ll
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mask64.ll
Don't hard-code the mask size to be 32, which is incorrect on ppc64
2008-02-27 21:12:32 +00:00
mem_update.ll
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2008-02-19 08:07:33 +00:00
mem-rr-addr-mode.ll
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2008-02-19 08:07:33 +00:00
mul-neg-power-2.ll
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2008-02-19 08:07:33 +00:00
mulhs.ll
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2008-02-19 08:07:33 +00:00
multiple-return-values.ll
Add support for multiple return values for the PPC target by
2008-03-19 21:39:28 +00:00
neg.ll
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2008-02-19 08:07:33 +00:00
no-dead-strip.ll
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or-addressing-mode.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
ppcf128-1-opt.ll
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ppcf128-1.ll
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ppcf128-2.ll
More APInt-ification.
2008-03-13 22:13:53 +00:00
ppcf128-3.ll
Make conversions of i8/i16 to ppcf128 work.
2008-03-18 17:28:38 +00:00
ppcf128-4.ll
New testcase.
2008-03-22 22:27:01 +00:00
reg-coalesce-simple.ll
Remove -unwind-tables-optional everywhere, since
2008-04-14 17:56:54 +00:00
retaddr.ll
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return-val-i128.ll
Add support for calls with i128 return values on ppc64.
2008-03-08 00:19:12 +00:00
rlwimi2.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
rlwimi3.ll
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2008-02-19 08:07:33 +00:00
rlwimi-commute.ll
Evan implemented this.
2008-03-02 17:56:29 +00:00
rlwimi.ll
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2008-02-19 08:07:33 +00:00
rlwinm2.ll
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rlwinm.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
rotl-2.ll
Remove -unwind-tables-optional everywhere, since
2008-04-14 17:56:54 +00:00
rotl-64.ll
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rotl.ll
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select_lt0.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
select-cc.ll
Fix PR3011: LegalizeTypes support for scalarizing
2008-11-04 17:31:08 +00:00
setcc_no_zext.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
seteq-0.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
shift128.ll
Add support for lowering 128-bit shifts on ppc64.
2008-03-07 20:36:53 +00:00
shl_elim.ll
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shl_sext.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
sign_ext_inreg1.ll
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small-arguments.ll
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stfiwx-2.ll
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stfiwx.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
store-load-fwd.ll
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2008-02-19 08:07:33 +00:00
subc.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
tailcall1-64.ll
Tail call optimization improvements:
2008-04-30 09:16:33 +00:00
tailcall1.ll
Tail call optimization improvements:
2008-04-30 09:16:33 +00:00
tailcallpic1.ll
Tail call optimization improvements:
2008-04-30 09:16:33 +00:00
trampoline.ll
Add trampoline support to PPC. GCC simply calls the "__trampoline_setup"
2008-09-17 00:30:57 +00:00
unsafe-math.ll
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vcmp-fold.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_br_cmp.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_call.ll
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2008-02-19 08:07:33 +00:00
vec_constants.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_fneg.ll
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vec_insert.ll
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vec_misaligned.ll
New test for misaligned Altivec laod/store.
2008-02-27 23:14:50 +00:00
vec_mul.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_perf_shuffle.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_shuffle.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_splat.ll
Turn off LegalizeTypes for this test for the
2008-10-28 09:55:04 +00:00
vec_vrsave.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00
vec_zero.ll
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2008-02-19 08:07:33 +00:00
vector-identity-shuffle.ll
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2008-02-19 08:07:33 +00:00
vector.ll
Remove llvm-upgrade and update tests.
2008-02-19 08:07:33 +00:00