Evan Cheng ab5c703fdb Fix epilogue codegen to avoid leaving the stack pointer in an invalid ... state. Previously Thumb2 would restore sp from fp like this: mov sp, r7 sub, sp, #4 If an interrupt is taken after the 'mov' but before the 'sub', callee-saved registers might be clobbered by the interrupt handler. Instead, try restoring directly from sp: add sp, #4 Or, if necessary (with VLA, etc.) use a scratch register to compute sp and then restore it: sub.w r4, r7, #8 mov sp, r7 rdar://8465407 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119977 91177308-0d34-0410-b5e6-96231b3b80d8		2010-11-22 18:12:04 +00:00
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2007-01-31-RegInfoAssert.ll
2007-02-02-JoinIntervalsCrash.ll
2007-03-06-AddR7.ll
2007-05-05-InvalidPushPop.ll	Correct bogus module triple specifications.	2010-08-30 10:48:29 +00:00
2009-06-18-ThumbCommuteMul.ll
2009-07-19-SPDecBug.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2009-07-20-TwoAddrBug.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2009-07-27-PEIAssert.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2009-08-12-ConstIslandAssert.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2009-08-12-RegInfoAssert.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2009-08-20-ISelBug.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2009-12-17-pre-regalloc-taildup.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2010-01-15-local-alloc-spill-physical.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
2010-04-07-DbgValueOtherTargets.ll
2010-06-18-SibCallCrash.ll	Disable sibcall optimization for Thumb1 for now since Thumb1RegisterInfo::emitEpilogue is not expecting them.	2010-06-19 01:01:32 +00:00
2010-07-01-FuncAlign.ll	ARM function alignments were off by a power of two. svn 83242 changed	2010-07-01 22:26:26 +00:00
2010-07-15-debugOrdering.ll	Try again to disable critical edge splitting in CodeGenPrepare.	2010-09-30 20:51:52 +00:00
asmprinter-bug.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
barrier.ll	Do not use MEMBARRIER_MCR for any Thumb code.	2010-11-09 22:50:44 +00:00
dg.exp
dyn-stackalloc.ll	Fix epilogue codegen to avoid leaving the stack pointer in an invalid	2010-11-22 18:12:04 +00:00
fpconv.ll
fpow.ll
frame_thumb.ll
iabs.ll
inlineasm-imm-thumb.ll
ispositive.ll
large-stack.ll	Fix epilogue codegen to avoid leaving the stack pointer in an invalid	2010-11-22 18:12:04 +00:00
ldr_ext.ll
ldr_frame.ll
long_shift.ll
long-setcc.ll
long.ll	These tests are looking for library function names that	2010-11-17 21:57:32 +00:00
machine-licm.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
mul.ll
pop.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
push.ll	Propagate the AlignStack bit in InlineAsm's to the	2010-07-02 20:16:09 +00:00
select.ll	These tests are looking for library function names that	2010-11-17 21:57:32 +00:00
stack-frame.ll
thumb-imm.ll
trap.ll	Remove arm_apcscc from the test files. It is the default and doing this	2010-06-17 15:18:27 +00:00
tst_teq.ll
unord.ll
vargs.ll	Update test for 112609	2010-08-31 17:58:47 +00:00