Evan Cheng c4af4638df Remove ARM isel hacks that fold large immediates into a pair of add, sub, and, ... and xor. The 32-bit move immediates can be hoisted out of loops by machine LICM but the isel hacks were preventing them. Instead, let peephole optimization pass recognize registers that are defined by immediates and the ARM target hook will fold the immediates in. Other changes include 1) do not fold and / xor into cmp to isel TST / TEQ instructions if there are multiple uses. This happens when the 'and' is live out, machine sink would have sinked the computation and that ends up pessimizing code. The peephole pass would recognize situations where the 'and' can be toggled to define CPSR and eliminate the comparison anyway. 2) Move peephole pass to after machine LICM, sink, and CSE to avoid blocking important optimizations. rdar://8663787, rdar://8241368 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119548 91177308-0d34-0410-b5e6-96231b3b80d8		2010-11-17 20:13:28 +00:00
..
2009-07-17-CrossRegClassCopy.ll
2009-07-21-ISelBug.ll
2009-07-23-CPIslandBug.ll
2009-07-30-PEICrash.ll
2009-08-01-WrongLDRBOpc.ll
2009-08-02-CoalescerBug.ll
2009-08-04-CoalescerAssert.ll
2009-08-04-CoalescerBug.ll
2009-08-04-ScavengerAssert.ll
2009-08-04-SubregLoweringBug2.ll
2009-08-04-SubregLoweringBug3.ll
2009-08-04-SubregLoweringBug.ll
2009-08-06-SpDecBug.ll
2009-08-07-CoalescerBug.ll
2009-08-07-NeonFPBug.ll
2009-08-08-ScavengerAssert.ll
2009-08-10-ISelBug.ll
2009-08-21-PostRAKill4.ll	Move thumb2 tests to the thumb2 directory	2010-09-17 20:34:09 +00:00
2009-09-01-PostRAProlog.ll	Move thumb2 tests to the thumb2 directory	2010-09-17 20:34:09 +00:00
2009-09-28-ITBlockBug.ll
2009-10-15-ITBlockBranch.ll	Now that register allocation properly considers reserved regs, simplify the	2010-09-02 18:14:29 +00:00
2009-11-01-CopyReg2RegBug.ll
2009-11-11-ScavengerAssert.ll
2009-11-13-STRDBug.ll
2009-12-01-LoopIVUsers.ll
2010-01-06-TailDuplicateLabels.ll
2010-01-19-RemovePredicates.ll
2010-02-11-phi-cycle.ll
2010-02-24-BigStack.ll
2010-03-08-addi12-ccout.ll
2010-03-15-AsmCCClobber.ll
2010-04-15-DynAllocBug.ll	Re-apply r112883:	2010-09-03 18:37:12 +00:00
2010-04-26-CopyRegCrash.ll
2010-05-24-rsbs.ll
2010-06-14-NEONCoalescer.ll	Two sets of changes. Sorry they are intermingled.	2010-11-03 00:45:17 +00:00
2010-06-19-ITBlockCrash.ll
2010-06-21-TailMergeBug.ll	Revert r114340 (improvements in Darwin function prologue/epilogue), as it broke	2010-11-02 17:35:25 +00:00
2010-08-10-VarSizedAllocaBug.ll
bfi.ll
bfx.ll
buildvector-crash.ll	Fix crash introduced in 116852. 8573915.	2010-10-20 22:03:37 +00:00
carry.ll
cortex-fp.ll	Change register allocation order for ARM VFP and NEON registers to put the	2010-10-08 06:15:13 +00:00
crash.ll	Add alignment arguments to all the NEON load/store intrinsics.	2010-08-27 17:13:24 +00:00
cross-rc-coalescing-1.ll
cross-rc-coalescing-2.ll	Avoiding overly aggressive latency scheduling. If the two nodes share an	2010-10-29 18:09:28 +00:00
dg.exp
div.ll
frameless2.ll
frameless.ll
ifcvt-neon.ll
large-stack.ll	Teach the (non-MC) instruction printer to use the cannonical names for push/pop,	2010-09-17 22:36:38 +00:00
ldr-str-imm12.ll	Now that register allocation properly considers reserved regs, simplify the	2010-09-02 18:14:29 +00:00
load-global.ll
lsr-deficiency.ll	Now that register allocation properly considers reserved regs, simplify the	2010-09-02 18:14:29 +00:00
machine-licm.ll	Remove ARM isel hacks that fold large immediates into a pair of add, sub, and,	2010-11-17 20:13:28 +00:00
mul_const.ll
pic-load.ll
thumb2-adc.ll
thumb2-add2.ll
thumb2-add3.ll
thumb2-add4.ll
thumb2-add5.ll
thumb2-add6.ll
thumb2-add.ll
thumb2-and2.ll
thumb2-and.ll
thumb2-asr2.ll
thumb2-asr.ll
thumb2-barrier.ll	Overhaul memory barriers in the ARM backend. Radar 8601999.	2010-10-30 00:54:37 +00:00
thumb2-bcc.ll
thumb2-bfc.ll
thumb2-bic.ll
thumb2-branch.ll
thumb2-call-tc.ll
thumb2-call.ll
thumb2-cbnz.ll
thumb2-clz.ll
thumb2-cmn2.ll
thumb2-cmn.ll
thumb2-cmp2.ll
thumb2-cmp.ll	ARM/Thumb2: Fix a misselect in getARMCmp, when attempting to adjust a signed	2010-08-25 16:58:05 +00:00
thumb2-eor2.ll
thumb2-eor.ll
thumb2-ifcvt1-tc.ll
thumb2-ifcvt1.ll
thumb2-ifcvt2.ll
thumb2-ifcvt3.ll
thumb2-jtb.ll
thumb2-ldm.ll
thumb2-ldr_ext.ll
thumb2-ldr_post.ll
thumb2-ldr_pre.ll
thumb2-ldr.ll
thumb2-ldrb.ll
thumb2-ldrd.ll
thumb2-ldrh.ll
thumb2-lsl2.ll
thumb2-lsl.ll
thumb2-lsr2.ll
thumb2-lsr3.ll
thumb2-lsr.ll
thumb2-mla.ll
thumb2-mls.ll
thumb2-mov.ll	Remove ARM isel hacks that fold large immediates into a pair of add, sub, and,	2010-11-17 20:13:28 +00:00
thumb2-mul.ll
thumb2-mulhi.ll
thumb2-mvn2.ll
thumb2-mvn.ll
thumb2-neg.ll
thumb2-orn2.ll
thumb2-orn.ll
thumb2-orr2.ll
thumb2-orr.ll
thumb2-pack.ll	Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid	2010-08-17 17:23:19 +00:00
thumb2-rev16.ll
thumb2-rev.ll
thumb2-ror2.ll
thumb2-ror.ll
thumb2-rsb2.ll
thumb2-rsb.ll
thumb2-sbc.ll
thumb2-select_xform.ll	Remove ARM isel hacks that fold large immediates into a pair of add, sub, and,	2010-11-17 20:13:28 +00:00
thumb2-select.ll
thumb2-shifter.ll
thumb2-smla.ll
thumb2-smul.ll
thumb2-spill-q.ll	Change register allocation order for ARM VFP and NEON registers to put the	2010-10-08 06:15:13 +00:00
thumb2-str_post.ll
thumb2-str_pre.ll
thumb2-str.ll
thumb2-strb.ll
thumb2-strh.ll
thumb2-sub2.ll
thumb2-sub3.ll
thumb2-sub4.ll
thumb2-sub5.ll
thumb2-sub.ll
thumb2-sxt_rot.ll
thumb2-tbb.ll
thumb2-tbh.ll
thumb2-teq2.ll
thumb2-teq.ll
thumb2-tst2.ll
thumb2-tst.ll
thumb2-uxt_rot.ll
thumb2-uxtb.ll
tls1.ll
tls2.ll