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5a09690446
llvm-6502/test/CodeGen/PowerPC
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Chris Lattner 5a09690446 Implement a signficant optimization for inline asm: 
When choosing between constraints with multiple options,
like "ir", test to see if we can use the 'i' constraint and
go with that if possible.  This produces more optimal ASM in
all cases (sparing a register and an instruction to load it),
and fixes inline asm like this:

void test () {
  asm volatile (" %c0 %1 " : : "imr" (42), "imr"(14));
}

Previously we would dump "42" into a memory location (which
is ok for the 'm' constraint) which would cause a problem
because the 'c' modifier is not valid on memory operands.

Isn't it great how inline asm turns 'missed optimization'
into 'compile failed'??

Incidentally, this was the todo in 
PowerPC/2007-04-24-InlineAsm-I-Modifier.ll

Please do NOT pull this into Tak.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-27 00:37:18 +00:00
..
2004-11-29-ShrCrash.ll upgrade this test 2008-03-09 00:32:10 +00:00
2004-11-30-shift-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2004-11-30-shr-var-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2004-12-12-ZeroSizeCommon.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2005-01-14-SetSelectCrash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2005-01-14-UndefLong.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2005-08-12-rlwimi-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2005-09-02-LegalizeDuplicatesCalls.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2005-10-08-ArithmeticRotate.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2005-11-30-vastart-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-01-11-darwin-fp-argument.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-01-20-ShiftPartsCrash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-04-01-FloatDoubleExtend.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-04-05-splat-ish.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-04-19-vmaddfp-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-05-12-rlwimi-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-07-07-ComputeMaskedBits.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-07-19-stwbrx-crash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-08-11-RetVector.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-08-15-SelectionCrash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-09-28-shift_64.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-10-11-combiner-aa-regression.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-10-13-Miscompile.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-10-17-brcc-miscompile.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-10-17-ppc64-alloca.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-11-10-DAGCombineMiscompile.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-11-29-AltivecFPSplat.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-12-07-LargeAlloca.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2006-12-07-SelectCrash.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
2007-01-04-ArgExtension.ll
2007-01-15-AsmDialect.ll
2007-01-29-lbrx-asm.ll
2007-01-31-InlineAsmAddrMode.ll
2007-02-16-AlignPacked.ll
2007-02-16-InlineAsmNConstraint.ll
2007-02-23-lr-saved-twice.ll
2007-03-24-cntlzd.ll
2007-03-30-SpillerCrash.ll
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
2007-05-03-InlineAsm-S-Constraint.ll
2007-05-14-InlineAsmSelectCrash.ll
2007-05-22-tailmerge-3.ll
2007-05-30-dagcombine-miscomp.ll
2007-06-28-BCCISelBug.ll
2007-08-04-CoalescerAssert.ll
2007-09-04-AltivecDST.ll
2007-09-07-LoadStoreIdxForms.ll
2007-09-08-unaligned.ll
2007-09-11-RegCoalescerAssert.ll
2007-09-12-LiveIntervalsAssert.ll
2007-10-16-InlineAsmFrameOffset.ll
2007-10-18-PtrArithmetic.ll
2007-10-21-LocalRegAllocAssert2.ll
2007-10-21-LocalRegAllocAssert.ll
2007-11-04-CoalescerCrash.ll
2007-11-16-landingpad-split.ll
2007-11-19-VectorSplitting.ll Testcase for PR1811 2007-11-19 21:43:22 +00:00
2008-01-25-EmptyFunction.ll Add target triples to these so they don't fail on linux. 2008-01-29 06:26:07 +00:00
2008-02-05-LiveIntervalsAssert.ll If a vr is already marked alive in a bb, then it has PHI uses that are visited earlier, then it is not killed in the def block (i.e. not dead). 2008-02-05 20:04:18 +00:00
2008-02-09-LocalRegAllocAssert.ll Determine whether a spill kills the register it's spilling before insertion rather than trying to undo the kill marker afterwards. 2008-02-11 08:30:52 +00:00
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
addc.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
addi-reassoc.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
align.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
and_add.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
and_sext.ll
and_sra.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
and-branch.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
and-elim.ll
and-imm.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
atomic-1.ll 64-bit atomic operations. 2008-04-19 02:30:38 +00:00
atomic-2.ll 64-bit atomic operations. 2008-04-19 02:30:38 +00:00
big-endian-actual-args.ll
big-endian-call-result.ll
big-endian-formal-args.ll
branch-opt.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
bswap-load-store.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
buildvec_canonicalize.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
calls.ll Byebye llvm-upgrade! 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
compare-fcmp-ord.ll Remove -unwind-tables-optional everywhere, since 2008-04-14 17:56:54 +00:00
compare-simm.ll
constants.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
cttz.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
darwin-labels.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
dg.exp
div-2.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
eqv-andc-orc-nor.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
extsh.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fabs.ll
fma.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fnabs.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fneg.ll
fnegsel.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fold-li.ll Remove -unwind-tables-optional everywhere, since 2008-04-14 17:56:54 +00:00
fp_to_uint.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fp-branch.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fp-int-fp.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
fpcopy.ll Remove llvm-upgrade and update tests. 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 Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
Frames-leaf.ll Byebye llvm-upgrade! 2008-03-25 04:26:08 +00:00
Frames-small.ll Byebye llvm-upgrade! 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
i64_fp.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
iabs.ll
illegal-element-type.ll
inlineasm-copy.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
int-fp-conv-0.ll Generalize ExpandIntToFP to handle the case where the operand is legal 2008-03-11 01:59:03 +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 Fix a crash on invalid code due to memcpy lowering. 2007-11-27 22:14:42 +00:00
inverted-bool-compares.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
ispositive.ll
itofp128.ll Implement more support for fp-to-i128 and i128-to-fp conversions. 2008-03-10 23:03:31 +00:00
LargeAbsoluteAddr.ll
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
longdbl-truncate.ll add testcase for regression 2008-01-16 18:03:52 +00:00
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 Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
mem-rr-addr-mode.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
mul-neg-power-2.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
mulhs.ll Remove llvm-upgrade and update tests. 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 Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
no-dead-strip.ll
or-addressing-mode.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
ppcf128-1-opt.ll
ppcf128-1.ll
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 Fix a significant code quality regression I introduced on PPC64 quite 2007-12-08 07:04:58 +00:00
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 Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
rlwimi-commute.ll Evan implemented this. 2008-03-02 17:56:29 +00:00
rlwimi.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
rlwinm2.ll
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
rotl.ll
select_lt0.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +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
shl_sext.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
sign_ext_inreg1.ll
small-arguments.ll
stfiwx-2.ll Fix a latent bug exposed by my truncstore patch. We compiled stfiwx-2.ll to: 2008-01-18 16:54:56 +00:00
stfiwx.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
store-load-fwd.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
subc.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
unsafe-math.ll
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 Remove llvm-upgrade and update tests. 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
vec_insert.ll Add testcase for recent legalizer change 2008-02-13 06:48:40 +00:00
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_spat.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
vec_vrsave.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
vec_zero.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
vector-identity-shuffle.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00
vector.ll Remove llvm-upgrade and update tests. 2008-02-19 08:07:33 +00:00