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llvm-mirror/test/CodeGen/Thumb
Tim Northover beda738748 Reapply ARM: Do not spill CSR to stack on entry to noreturn functions
Should fix UBSan bot by also checking there's no "uwtable" attribute
before skipping. Otherwise the unwind table will be useless since its
moves expect CSRs to actually be preserved.

A noreturn nounwind function can be expected to never return in any way, and by
never returning it will also never have to restore any callee-saved registers
for its caller. This makes it possible to skip spills of those registers during
function entry, saving some stack space and time in the process. This is rather
useful for embedded targets with limited stack space.

Should fix PR9970.

Patch mostly by myeisha (pmb).

llvm-svn: 329494
2018-04-07 10:57:03 +00:00
..
2007-01-31-RegInfoAssert.ll
2007-02-02-JoinIntervalsCrash.ll
2007-05-05-InvalidPushPop.ll
2009-06-18-ThumbCommuteMul.ll
2009-07-20-TwoAddrBug.ll
2009-07-27-PEIAssert.ll
2009-08-12-ConstIslandAssert.ll
2009-08-12-RegInfoAssert.ll
2009-08-20-ISelBug.ll
2009-12-17-pre-regalloc-taildup.ll
2010-06-18-SibCallCrash.ll
2010-07-01-FuncAlign.ll
2010-07-15-debugOrdering.ll
2011-05-11-DAGLegalizer.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
2011-06-16-NoGPRs.ll
2011-EpilogueBug.ll
2012-04-26-M0ISelBug.ll
2014-06-10-thumb1-ldst-opt-bug.ll
addr-modes.ll [ARM, Thumb1] Prevent ARMTargetLowering::isLegalAddressingMode from accepting illegal modes 2017-08-24 10:00:25 +00:00
and_neg.ll
asmprinter-bug.ll
barrier.ll
bic_imm.ll
branchless-cmp.ll [ARM] Materialise some boolean values to avoid a branch 2018-02-16 09:23:59 +00:00
callee_save.ll
cmp-add-fold.ll
cmp-fold.ll
constants.ll [ARM] Materialise some boolean values to avoid a branch 2018-02-16 09:23:59 +00:00
copy_thumb.ll
cortex-m0-unaligned-access.ll
DbgValueOtherTargets.test
dyn-stackalloc.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
fastcc.ll
fpconv.ll
fpow.ll
frame_thumb.ll
frame-access.ll [ARM] Fix access to stack arguments when re-aligning SP in Armv6m 2018-03-02 15:47:14 +00:00
iabs.ll
inlineasm-imm-thumb.ll
inlineasm-thumb.ll
ispositive.ll
large-stack.ll [ARM] Dynamic stack alignment for 16-bit Thumb 2017-10-22 11:56:35 +00:00
ldm-merge-call.ll
ldm-merge-struct.ll
ldm-stm-base-materialization-thumb2.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
ldm-stm-base-materialization.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
ldm-stm-postinc.ll
ldr_ext.ll
ldr_frame.ll
lit.local.cfg
litpoolremat.ll
long_shift.ll
long-setcc.ll [ARM] Materialise some boolean values to avoid a branch 2018-02-16 09:23:59 +00:00
long.ll [ARM] Return true in enableMultipleCopyHints(). 2018-02-16 09:51:01 +00:00
machine-cse-physreg.mir Followup on Proposal to move MIR physical register namespace to '$' sigil. 2018-01-31 22:04:26 +00:00
mature-mc-support.ll
mul.ll
mvn.ll [ARM] Fix issue with large xor constants. 2018-02-22 09:38:57 +00:00
optionaldef-scheduling.ll
pop.ll
pr35836_2.ll [ARM] Allow the scheduler to clone a node with glue to avoid a copy CPSR ↔ GPR. 2018-01-31 09:23:43 +00:00
pr35836.ll Re-enable "[MachineCopyPropagation] Extend pass to do COPY source forwarding" 2018-02-27 16:59:10 +00:00
PR17309.ll
PR35481.ll [ARM] Fix PR35481 2018-01-08 11:32:37 +00:00
PR36658.mir [ARM] Fix "Constant pool entry out of range!" in Thumb1 mode 2018-03-23 17:53:27 +00:00
push.ll
remove-unneeded-push-pop.ll
rev.ll
segmented-stacks-dynamic.ll
segmented-stacks.ll
select.ll Revert "[ARM] Lower lower saturate to 0 and lower saturate to -1 using bit-operations" 2018-01-31 22:55:19 +00:00
sjljehprepare-lower-vector.ll
stack_guard_remat.ll
stack-access.ll
stack-coloring-without-frame-ptr.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
stack-frame.ll
stm-deprecated.ll
stm-merge.ll
stm-scavenging.ll [LivePhysRegs] Fix handling of return instructions. 2018-02-06 23:00:17 +00:00
tbb-reuse.mir Followup on Proposal to move MIR physical register namespace to '$' sigil. 2018-01-31 22:04:26 +00:00
thumb-imm.ll
thumb-ldm.ll
thumb-shrink-wrapping.ll Reapply ARM: Do not spill CSR to stack on entry to noreturn functions 2018-04-07 10:57:03 +00:00
trap.ll
triple.ll
tst_teq.ll
unord.ll
vargs.ll