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9994b911f4
llvm-6502/test/CodeGen/Generic
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JF Bastien 9994b911f4 Targets: commonize some stack realignment code 
This patch does the following:
* Fix FIXME on `needsStackRealignment`: it is now shared between multiple targets, implemented in `TargetRegisterInfo`, and isn't `virtual` anymore. This will break out-of-tree targets, silently if they used `virtual` and with a build error if they used `override`.
* Factor out `canRealignStack` as a `virtual` function on `TargetRegisterInfo`, by default only looks for the `no-realign-stack` function attribute.

Multiple targets duplicated the same `needsStackRealignment` code:
 - Aarch64.
 - ARM.
 - Mips almost: had extra `DEBUG` diagnostic, which the default implementation now has.
 - PowerPC.
 - WebAssembly.
 - x86 almost: has an extra `-force-align-stack` option, which the default implementation now has.

The default implementation of `needsStackRealignment` used to just return `false`. My current patch changes the behavior by simply using the above shared behavior. This affects:
 - AMDGPU
 - BPF
 - CppBackend
 - MSP430
 - NVPTX
 - Sparc
 - SystemZ
 - XCore
 - Out-of-tree targets
This is a breaking change! `make check` passes.

The only implementation of the `virtual` function (besides the slight different in x86) was Hexagon (which did `MF.getFrameInfo()->getMaxAlignment() > 8`), and potentially some out-of-tree targets. Hexagon now uses the default implementation.

`needsStackRealignment` was being overwritten in `<Target>GenRegisterInfo.inc`, to return `false` as the default also did. That was odd and is now gone.

Reviewers: sunfish

Subscribers: aemerson, llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11160

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242727 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-20 22:51:32 +00:00
..
2002-04-14-UnexpectedUnsignedType.ll
2002-04-16-StackFrameSizeAlignment.ll
2003-05-27-phifcmpd.ll
2003-05-27-useboolinotherbb.ll
2003-05-27-usefsubasbool.ll
2003-05-28-ManyArgs.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-05-30-BadFoldGEP.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-05-30-BadPreselectPhi.ll
2003-07-06-BadIntCmp.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2003-07-07-BadLongConst.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2003-07-08-BadCastToBool.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2003-07-29-BadConstSbyte.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2004-05-09-LiveVarPartialRegister.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2005-01-18-SetUO-InfLoop.ll
2005-04-09-GlobalInPHI.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2005-10-18-ZeroSizeStackObject.ll
2005-10-21-longlonggtu.ll
2005-12-01-Crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2005-12-12-ExpandSextInreg.ll
2006-01-12-BadSetCCFold.ll
2006-01-18-InvalidBranchOpcodeAssert.ll
2006-02-12-InsertLibcall.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-03-01-dagcombineinfloop.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-04-26-SetCCAnd.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-04-28-Sign-extend-bool.ll
2006-05-06-GEP-Cast-Sink-Crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2006-06-12-LowerSwitchCrash.ll
2006-06-13-ComputeMaskedBitsCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-06-28-SimplifySetCCCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-07-03-schedulers.ll
2006-08-30-CoalescerCrash.ll
2006-09-02-LocalAllocCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2006-09-06-SwitchLowering.ll
2006-10-27-CondFolding.ll
2006-10-29-Crash.ll
2006-11-20-DAGCombineCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2007-01-15-LoadSelectCycle.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2007-02-25-invoke.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2007-04-08-MultipleFrameIndices.ll Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
2007-04-13-SwitchLowerBadPhi.ll
2007-04-17-lsr-crash.ll
2007-04-27-InlineAsm-X-Dest.ll Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
2007-04-27-LargeMemObject.ll Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
2007-04-30-LandingPadBranchFolding.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2007-05-03-EHTypeInfo.ll CodeGen: @llvm.eh.typeid.for replaced @llvm.eh.typeid.for.i32 2015-03-16 21:36:38 +00:00
2007-05-15-InfiniteRecursion.ll
2007-12-17-InvokeAsm.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2007-12-31-UnusedSelector.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2008-01-25-dag-combine-mul.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2008-01-30-LoadCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2008-02-04-Ctlz.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2008-02-04-ExtractSubvector.ll
2008-02-20-MatchingMem.ll Unxfail passing test on Hexagon 2015-03-12 20:38:10 +00:00
2008-02-25-NegateZero.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2008-02-26-NegatableCrash.ll
2008-08-07-PtrToInt-SmallerInt.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2009-03-17-LSR-APInt.ll Use "weak alias" instead of "alias weak" 2014-07-30 22:51:54 +00:00
2009-03-29-SoftFloatVectorExtract.ll Migrate existing backends that care about software floating point 2015-05-12 01:26:05 +00:00
2009-04-10-SinkCrash.ll
2009-04-28-i128-cmp-crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-11-16-BadKillsCrash.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2010-07-27-DAGCombineCrash.ll
2010-11-04-BigByval.ll
2010-ZeroSizedArg.ll
2011-01-06-BigNumberCrash.ll
2011-07-07-ScheduleDAGCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2012-06-08-APIntCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2013-03-20-APFloatCrash.ll
2014-02-05-OpaqueConstants.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
add-with-overflow-24.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
add-with-overflow-128.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
add-with-overflow.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
addr-label.ll
annotate.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
APIntLoadStore.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
APIntParam.ll
APIntSextParam.ll
APIntZextParam.ll
asm-large-immediate.ll Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
assume.ll Add @llvm.assume, lowering, and some basic properties 2014-07-25 21:13:35 +00:00
badarg6.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
badCallArgLRLLVM.ll
badFoldGEP.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
BasicInstrs.ll
bool-to-double.ll
builtin-expect.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
call2-ret0.ll
call-ret0.ll
call-ret42.ll
call-void.ll
cast-fp.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
ConstantExprLowering.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
constindices.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
dag-combine-crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
dbg_value.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
div-neg-power-2.ll
donothing.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
edge-bundles-blockIDs.ll
empty-insertvalue.ll Fix crash with an insertvalue that produces an empty object. 2014-09-20 00:10:47 +00:00
empty-load-store.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
empty-phi.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
exception-handling.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
externally_available.ll
fastcall.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
fneg-fabs.ll
ForceStackAlign.ll Targets: commonize some stack realignment code 2015-07-20 22:51:32 +00:00
fp_to_int.ll
fp-to-int-invalid.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
fpowi-promote.ll
fwdtwice.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
global-ret0.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
hello.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
i128-addsub.ll
i128-arith.ll
icmp-illegal.ll Fix icmp lowering 2015-05-20 17:21:09 +00:00
inline-asm-mem-clobber.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline-asm-special-strings.ll Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
intrinsics.ll
invalid-memcpy.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
isunord.ll
llvm-ct-intrinsics.ll
MachineBranchProb.ll [Hexagon] r236351 fix does not work on builder configurations yet. 2015-05-01 22:39:20 +00:00
Makefile
multiple-return-values-cross-block-with-invoke.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
negintconst.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
nested-select.ll
no-target.ll Fix pr18235. 2013-12-13 16:05:32 +00:00
overflow.ll
overloaded-intrinsic-name.ll [Statepoints] Support for "patchable" statepoints. 2015-05-12 23:52:24 +00:00
PBQP.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
pr2625.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pr3288.ll
pr12507.ll
print-add.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
print-after.ll CommandLine: Exit successfully for -version and -help 2014-02-28 19:08:01 +00:00
print-arith-fp.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
print-arith-int.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
print-int.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
print-machineinstrs.ll Rename argument strings of codegen passes to avoid collisions with command line 2014-12-13 04:52:04 +00:00
print-mul-exp.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
print-mul.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
print-shift.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
ptr-annotate.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
ret0.ll
ret42.ll
run-pass.ll llc: Add a 'run-pass' option. 2015-07-06 17:44:26 +00:00
select-cc.ll
select.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
shift-int64.ll
stacksave-restore.ll
stop-after.ll Resubmit r237954 (MIR Serialization: print and parse LLVM IR using MIR format). 2015-05-27 18:02:19 +00:00
storetrunc-fp.ll
switch-lower-feature.ll
switch-lower.ll
trap.ll
undef-phi.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
v-split.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
vector-casts.ll whitespace tidyup. NFC. 2015-07-03 08:02:12 +00:00
vector-constantexpr.ll
vector-identity-shuffle.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
vector.ll Unxfail test/CodeGen/Generic/vector.ll now passing on Hexagon 2015-03-19 20:22:17 +00:00
zero-sized-array.ll