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James Y Knight c0e6b8ac3a IR: Support parsing numeric block ids, and emit them in textual output. 
Just as as llvm IR supports explicitly specifying numeric value ids
for instructions, and emits them by default in textual output, now do
the same for blocks.

This is a slightly incompatible change in the textual IR format.

Previously, llvm would parse numeric labels as string names. E.g.
  define void @f() {
    br label %"55"
  55:
    ret void
  }
defined a label *named* "55", even without needing to be quoted, while
the reference required quoting. Now, if you intend a block label which
looks like a value number to be a name, you must quote it in the
definition too (e.g. `"55":`).

Previously, llvm would print nameless blocks only as a comment, and
would omit it if there was no predecessor. This could cause confusion
for readers of the IR, just as unnamed instructions did prior to the
addition of "%5 = " syntax, back in 2008 (PR2480).

Now, it will always print a label for an unnamed block, with the
exception of the entry block. (IMO it may be better to print it for
the entry-block as well. However, that requires updating many more
tests.)

Thus, the following is supported, and is the canonical printing:
  define i32 @f(i32, i32) {
    %3 = add i32 %0, %1
    br label %4

  4:
    ret i32 %3
  }

New test cases covering this behavior are added, and other tests
updated as required.

Differential Revision: https://reviews.llvm.org/D58548

llvm-svn: 356789
 		2019-03-22 18:27:13 +00:00
..
2002-03-08-NameCollision.ll
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2002-03-08-NameCollision2.ll
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2002-04-07-HexFloatConstants.ll
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2002-04-07-InfConstant.ll
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2002-04-29-NameBinding.ll
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2002-05-02-InvalidForwardRef.ll
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2002-07-14-OpaqueType.ll
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2002-07-25-QuoteInString.ll
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2002-07-25-ReturnPtrFunction.ll
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2002-07-31-SlashInString.ll Don't output bitcode to stdout in 2002-07-31-SlashInString.ll test 2018-02-27 11:15:05 +00:00
2002-08-15-CastAmbiguity.ll
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2002-08-15-ConstantExprProblem.ll
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2002-08-15-UnresolvedGlobalReference.ll
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2002-08-16-ConstExprInlined.ll
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2002-08-19-BytecodeReader.ll
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2002-08-22-DominanceProblem.ll
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2002-10-08-LargeArrayPerformance.ll
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2002-10-13-ConstantEncodingProblem.ll
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2002-12-15-GlobalResolve.ll
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2003-01-30-UnsignedString.ll
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2003-04-15-ConstantInitAssertion.ll
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2003-04-25-UnresolvedGlobalReference.ll
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2003-05-03-BytecodeReaderProblem.ll
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2003-05-12-MinIntProblem.ll
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2003-05-15-AssemblerProblem.ll
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2003-05-15-SwitchBug.ll
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2003-05-21-ConstantShiftExpr.ll
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2003-05-21-EmptyStructTest.ll
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2003-05-21-MalformedShiftCrash.ll
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2003-05-21-MalformedStructCrash.ll
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2003-08-20-ConstantExprGEP-Fold.ll
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2003-08-21-ConstantExprCast-Fold.ll
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2003-11-05-ConstantExprShift.ll
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2003-11-11-ImplicitRename.ll
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2003-11-12-ConstantExprCast.ll
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2003-11-24-SymbolTableCrash.ll
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2004-01-11-getelementptrfolding.ll
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2004-01-20-MaxLongLong.ll
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2004-02-01-NegativeZero.ll
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2004-02-27-SelfUseAssertError.ll
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2004-03-07-FunctionAddressAlignment.ll Revert patches 348835 and 348571 because they're 2019-01-04 16:39:10 +00:00
2004-03-30-UnclosedFunctionCrash.ll
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2004-04-04-GetElementPtrIndexTypes.ll
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2004-06-07-VerifierBug.ll
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2004-10-22-BCWriterUndefBug.ll
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2004-11-28-InvalidTypeCrash.ll
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2005-01-03-FPConstantDisassembly.ll
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2005-01-31-CallingAggregateFunction.ll
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2005-05-05-OpaqueUndefValues.ll
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2005-12-21-ZeroInitVector.ll
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2006-09-28-CrashOnInvalid.ll
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2006-12-09-Cast-To-Bool.ll
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2007-01-02-Undefined-Arg-Type.ll
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2007-01-05-Cmp-ConstExpr.ll
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2007-01-16-CrashOnBadCast.ll
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2007-01-16-CrashOnBadCast2.ll
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2007-03-18-InvalidNumberedVar.ll
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2007-03-19-NegValue.ll
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2007-04-20-AlignedLoad.ll
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2007-04-20-AlignedStore.ll
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2007-04-25-AssemblerFoldExternWeak.ll
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2007-05-21-Escape.ll
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2007-07-19-ParamAttrAmbiguity.ll
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2007-08-06-AliasInvalid.ll
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2007-09-10-AliasFwdRef.ll
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2007-09-29-GC.ll
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2007-11-26-AttributeOverload.ll
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2007-12-11-AddressSpaces.ll
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2008-01-11-VarargAttrs.ll
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2008-02-18-IntPointerCrash.ll
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2008-07-10-APInt.ll
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2008-09-02-FunctionNotes.ll
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2008-09-02-FunctionNotes2.ll
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2008-09-29-RetAttr.ll
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2008-10-14-QuoteInName.ll
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2009-02-01-UnnamedForwardRef.ll
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2009-02-28-CastOpc.ll
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2009-02-28-StripOpaqueName.ll
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2009-03-24-ZextConstantExpr.ll
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2009-07-24-ZeroArgGEP.ll
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2010-02-05-FunctionLocalMetadataBecomesNull.ll
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ConstantExprFold.ll
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ConstantExprFoldCast.ll
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ConstantExprFoldSelect.ll
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ConstantExprNoFold.ll ConstantFold: Don't fold global address vs. null for addrspace != 0 2018-06-26 18:55:43 +00:00
DIEnumerator.ll Rename DIFlagFixedEnum to DIFlagEnumClass. NFC 2019-01-08 17:52:29 +00:00
DIGlobalVariableExpression.ll
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DIMacroFile.ll
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MultipleReturnValueType.ll
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addrspacecast-alias.ll
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aggregate-constant-values.ll
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aggregate-return-single-value.ll
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alias-redefinition.ll
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alias-use-list-order.ll
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align-inst-alloca.ll
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align-inst-load.ll
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align-inst-store.ll
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align-inst.ll
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alignstack.ll
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alloca-addrspace-elems.ll Fix assembler for alloca of multiple elements in non-zero addr space 2017-10-14 03:23:18 +00:00
alloca-addrspace-parse-error-0.ll
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alloca-addrspace-parse-error-1.ll
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alloca-addrspace0.ll
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alloca-invalid-type-2.ll
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alloca-invalid-type.ll
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alloca-size-one.ll
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anon-functions.ll
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asm-path-writer.ll [ThinLTO] Escape module paths when printing 2018-07-12 14:40:21 +00:00
atomic.ll Reapply "IR: Add fp operations to atomicrmw" 2019-01-22 18:18:02 +00:00
attribute-builtin.ll
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auto_upgrade_intrinsics.ll Verifier: Make sure masked load/store alignment is a power of 2 2019-03-13 19:46:34 +00:00
auto_upgrade_nvvm_intrinsics.ll
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autoupgrade-invalid-mem-intrinsics.ll IR: Add immarg attribute 2019-03-12 21:02:54 +00:00
autoupgrade-thread-pointer.ll
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bcwrap.ll
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block-labels.ll IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
call-invalid-1.ll
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call-nonzero-program-addrspace-2.ll Allow creating llvm::Function in non-zero address spaces 2018-08-23 09:25:17 +00:00
call-nonzero-program-addrspace.ll Allow creating llvm::Function in non-zero address spaces 2018-08-23 09:25:17 +00:00
comment.ll
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datalayout-alloca-addrspace-mismatch-0.ll LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
datalayout-alloca-addrspace-mismatch-1.ll LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
datalayout-alloca-addrspace-mismatch-2.ll LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
datalayout-alloca-addrspace.ll
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datalayout-program-addrspace.ll Add default address space for functions to the data layout (1/3) 2018-02-19 09:56:22 +00:00
debug-info-source-invalid.ll [DWARFv5] Verify all-or-nothing constraint on DIFile source 2018-11-30 19:13:38 +00:00
debug-info-source.ll [DWARFv5] Verify all-or-nothing constraint on DIFile source 2018-11-30 19:13:38 +00:00
debug-info.ll [test] Fix Assembler/debug-info.ll 2018-09-21 12:28:44 +00:00
debug-label-bitcode.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
debug-variant-discriminator.ll Ensure that variant part discriminator is read by MetadataLoader 2018-09-21 12:03:14 +00:00
dicompileunit.ll
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dicompositetype-members.ll
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diexpression.ll [DebugInfo] Introduce DW_OP_LLVM_convert 2019-03-19 13:16:28 +00:00
difile-escaped-chars.ll
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diglobalvariable.ll Emit template type and value parameter DIEs for template variables. 2018-10-03 18:44:53 +00:00
diimportedentity.ll
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dilexicalblock.ll
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dilocalvariable-arg-large.ll
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dilocalvariable.ll
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dilocation.ll [IR] Add a boolean field in DILocation to know if a line must covered or not 2018-09-20 08:53:06 +00:00
dimodule.ll
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dinamespace.ll
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diobjcproperty.ll
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distinct-mdnode.ll
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disubprogram.ll Add IR debug info support for Elemental, Pure, and Recursive Procedures. 2019-03-14 16:29:54 +00:00
disubrange-empty-array.ll
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disubroutinetype.ll
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ditemplateparameter.ll
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ditype-large-values.ll
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dllimport-dsolocal-diag.ll Represent runtime preemption in the IR. 2017-10-26 15:00:26 +00:00
drop-debug-info-nonzero-alloca.ll LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
drop-debug-info.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
externally-initialized.ll
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extractvalue-invalid-idx.ll
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extractvalue-no-idx.ll
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fast-math-flags.ll [IR] Add a dedicated FNeg IR Instruction 2018-11-13 18:15:47 +00:00
flags.ll
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generic-debug-node.ll
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getInt.ll
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getelementptr.ll
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getelementptr_invalid_ptr.ll
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getelementptr_struct.ll
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getelementptr_vec_ce.ll [ConstantFold] Support vector index when factoring out GEP index into preceding dimensions 2017-12-04 19:56:33 +00:00
getelementptr_vec_ce2.ll
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getelementptr_vec_idx1.ll
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getelementptr_vec_idx2.ll
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getelementptr_vec_idx3.ll
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getelementptr_vec_idx4.ll
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getelementptr_vec_struct.ll
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global-addrspace-forwardref.ll
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globalvariable-attributes.ll
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gv-invalid-type.ll
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half-constprop.ll
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half-conv.ll
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half.ll
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huge-array.ll
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ifunc-asm.ll
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ifunc-dsolocal.ll Allow dso_local on ifunc. 2018-01-12 17:03:43 +00:00
ifunc-use-list-order.ll
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immarg-param-attribute.ll IR: Add immarg attribute 2019-03-12 21:02:54 +00:00
inalloca.ll
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incorrect-tdep-attrs-parsing.ll
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inline-asm-clobber.ll
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insertextractvalue.ll
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insertvalue-invalid-idx.ll
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insertvalue-invalid-type-1.ll
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insertvalue-invalid-type.ll
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internal-hidden-alias.ll
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internal-hidden-function.ll
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internal-hidden-variable.ll
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internal-protected-alias.ll
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internal-protected-function.ll
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internal-protected-variable.ll
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invalid-alias-mismatched-explicit-type.ll
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invalid-atomicrmw-add-must-be-integer-type.ll Add atomicrmw operation to error messages 2018-10-03 02:37:15 +00:00
invalid-atomicrmw-fadd-must-be-fp-type.ll Reapply "IR: Add fp operations to atomicrmw" 2019-01-22 18:18:02 +00:00
invalid-atomicrmw-fsub-must-be-fp-type.ll Reapply "IR: Add fp operations to atomicrmw" 2019-01-22 18:18:02 +00:00
invalid-atomicrmw-xchg-must-be-integer-or-fp-type.ll Allow FP types for atomicrmw xchg 2019-01-17 10:49:01 +00:00
invalid-attrgrp.ll
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invalid-block-label-num.ll IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
invalid-comdat.ll
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invalid-comdat2.ll
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invalid-datalayout-alloca-addrspace.ll Add default address space for functions to the data layout (1/3) 2018-02-19 09:56:22 +00:00
invalid-datalayout-program-addrspace.ll Add default address space for functions to the data layout (1/3) 2018-02-19 09:56:22 +00:00
invalid-datalayout1.ll
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invalid-datalayout2.ll
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invalid-datalayout3.ll
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invalid-datalayout4.ll
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invalid-datalayout5.ll
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invalid-datalayout6.ll
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invalid-datalayout7.ll
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invalid-datalayout8.ll
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invalid-datalayout9.ll
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invalid-datalayout10.ll
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invalid-datalayout11.ll
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invalid-datalayout12.ll
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invalid-datalayout13.ll
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invalid-datalayout14.ll
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invalid-datalayout15.ll
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invalid-datalayout16.ll
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invalid-datalayout17.ll
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invalid-datalayout18.ll
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invalid-datalayout19.ll
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invalid-datalayout20.ll
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invalid-datalayout21.ll
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invalid-datalayout22.ll
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invalid-datalayout23.ll
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invalid-datalayout24.ll
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invalid-debug-info-version.ll
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invalid-dicompileunit-emissionkind-bad.ll
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invalid-dicompileunit-language-bad.ll
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invalid-dicompileunit-language-overflow.ll
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invalid-dicompileunit-missing-language.ll
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invalid-dicompileunit-null-file.ll
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invalid-dicompileunit-uniqued.ll
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invalid-dicompositetype-missing-tag.ll
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invalid-diderivedtype-missing-basetype.ll
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invalid-diderivedtype-missing-tag.ll
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invalid-dienumerator-missing-name.ll
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invalid-dienumerator-missing-value.ll
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invalid-diexpression-large.ll
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invalid-diexpression-verify.ll
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invalid-difile-missing-directory.ll
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invalid-difile-missing-filename.ll
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invalid-diglobalvariable-empty-name.ll
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invalid-diglobalvariable-missing-name.ll
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invalid-diimportedentity-missing-scope.ll
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invalid-diimportedentity-missing-tag.ll
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invalid-dilexicalblock-missing-scope.ll
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invalid-dilexicalblock-null-scope.ll
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invalid-dilexicalblockfile-missing-discriminator.ll
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invalid-dilexicalblockfile-missing-scope.ll
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invalid-dilexicalblockfile-null-scope.ll
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invalid-dilocalvariable-arg-large.ll
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invalid-dilocalvariable-arg-negative.ll
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invalid-dilocalvariable-missing-scope.ll
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invalid-dilocalvariable-null-scope.ll
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invalid-dilocation-field-bad.ll
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invalid-dilocation-field-twice.ll
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invalid-dilocation-missing-scope-2.ll
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invalid-dilocation-missing-scope.ll
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invalid-dilocation-null-scope.ll
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invalid-dilocation-overflow-column.ll
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invalid-dilocation-overflow-line.ll
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invalid-dinamespace-missing-namespace.ll
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invalid-disubprogram-uniqued-definition.ll [DebugInfo] IR/Bitcode changes for DISubprogram flags. 2018-11-28 21:14:32 +00:00
invalid-disubrange-count-large.ll
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invalid-disubrange-count-missing.ll
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invalid-disubrange-count-negative.ll
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invalid-disubrange-count-node.ll [Metadata] Extend 'count' field of DISubrange to take a metadata node 2018-01-24 09:56:07 +00:00
invalid-disubrange-lowerBound-max.ll
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invalid-disubrange-lowerBound-min.ll
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invalid-disubroutinetype-missing-types.ll
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invalid-ditemplatetypeparameter-missing-type.ll
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invalid-ditemplatevalueparameter-missing-value.ll
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invalid-fp80hex.ll
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invalid-fwdref1.ll
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invalid-fwdref2.ll
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invalid-generic-debug-node-tag-bad.ll
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invalid-generic-debug-node-tag-missing.ll
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invalid-generic-debug-node-tag-overflow.ll
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invalid-generic-debug-node-tag-wrong-type.ll
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invalid-gep-mismatched-explicit-type.ll
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invalid-gep-missing-explicit-type.ll
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invalid-hexint.ll
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invalid-immarg.ll IR: Add immarg attribute 2019-03-12 21:02:54 +00:00
invalid-immarg2.ll IR: Add immarg attribute 2019-03-12 21:02:54 +00:00
invalid-immarg3.ll IR: Add immarg attribute 2019-03-12 21:02:54 +00:00
invalid-inline-constraint.ll
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invalid-inttype.ll
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invalid-label.ll
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invalid-landingpad.ll
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invalid-load-mismatched-explicit-type.ll
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invalid-load-missing-explicit-type.ll
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invalid-mdnode-badref.ll
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invalid-mdnode-vector.ll
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invalid-mdnode-vector2.ll
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invalid-metadata-attachment-has-type.ll
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invalid-metadata-function-local-attachments.ll
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invalid-metadata-function-local-complex-1.ll
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invalid-metadata-function-local-complex-2.ll
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invalid-metadata-function-local-complex-3.ll
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invalid-metadata-has-type.ll
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invalid-name.ll
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invalid-name2.ll
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invalid-safestack-param.ll
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invalid-safestack-return.ll
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invalid-specialized-mdnode.ll
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invalid-untyped-metadata.ll
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invalid-uselistorder-function-between-blocks.ll
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invalid-uselistorder-function-missing-named.ll
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invalid-uselistorder-function-missing-numbered.ll
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invalid-uselistorder-global-missing.ll
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invalid-uselistorder-indexes-duplicated.ll
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invalid-uselistorder-indexes-empty.ll
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invalid-uselistorder-indexes-one.ll
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invalid-uselistorder-indexes-ordered.ll
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invalid-uselistorder-indexes-range.ll
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invalid-uselistorder-indexes-toofew.ll
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invalid-uselistorder-indexes-toomany.ll
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invalid-uselistorder-type.ll
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invalid-uselistorder_bb-missing-bb.ll
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invalid-uselistorder_bb-missing-body.ll
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invalid-uselistorder_bb-missing-func.ll
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invalid-uselistorder_bb-not-bb.ll
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invalid-uselistorder_bb-not-func.ll
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invalid-uselistorder_bb-numbered.ll
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invalid_cast.ll
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invalid_cast2.ll
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invalid_cast3.ll
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invalid_cast4.ll
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invoke-nonzero-program-addrspace.ll Allow creating llvm::Function in non-zero address spaces 2018-08-23 09:25:17 +00:00
large-comdat.ll
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local-unnamed-addr.ll
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max-inttype.ll
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metadata-decl.ll
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metadata-function-local.ll
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metadata-null-operands.ll
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metadata.ll
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missing-tbaa.ll
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musttail-invalid-1.ll
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musttail-invalid-2.ll
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musttail.ll
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named-metadata.ll
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no-mdstring-upgrades.ll
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numbered-values.ll
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private-hidden-alias.ll
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private-hidden-function.ll
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private-hidden-variable.ll
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private-protected-alias.ll
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private-protected-function.ll
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private-protected-variable.ll
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select.ll
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short-hexpair.ll
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source-filename-backslash.ll
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source-filename.ll
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thinlto-bad-summary1.ll [ThinLTO] Parse module summary index from assembly 2018-06-26 13:56:49 +00:00
thinlto-bad-summary2.ll [ThinLTO] Parse module summary index from assembly 2018-06-26 13:56:49 +00:00
thinlto-bad-summary3.ll [ThinLTO] Parse module summary index from assembly 2018-06-26 13:56:49 +00:00
thinlto-summary.ll [ThinLTO] Assembly representation of ReadOnly attribute 2018-11-23 10:54:51 +00:00
tls-models.ll
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token.ll
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unnamed-addr.ll
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unnamed-alias.ll
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unnamed-comdat.ll
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unnamed.ll
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unsized-recursive-type.ll
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uselistorder.ll
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uselistorder_bb.ll
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vbool-cmp.ll
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vector-cmp.ll
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vector-select.ll
…
vector-shift.ll
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x86mmx.ll
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