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Shiva Chen 2c864551df [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 
In order to set breakpoints on labels and list source code around
labels, we need collect debug information for labels, i.e., label
name, the function label belong, line number in the file, and the
address label located. In order to keep these information in LLVM
IR and to allow backend to generate debug information correctly.
We create a new kind of metadata for labels, DILabel. The format
of DILabel is

!DILabel(scope: !1, name: "foo", file: !2, line: 3)

We hope to keep debug information as much as possible even the
code is optimized. So, we create a new kind of intrinsic for label
metadata to avoid the metadata is eliminated with basic block.
The intrinsic will keep existing if we keep it from optimized out.
The format of the intrinsic is

llvm.dbg.label(metadata !1)

It has only one argument, that is the DILabel metadata. The
intrinsic will follow the label immediately. Backend could get the
label metadata through the intrinsic's parameter.

We also create DIBuilder API for labels to be used by Frontend.
Frontend could use createLabel() to allocate DILabel objects, and use
insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR.

Differential Revision: https://reviews.llvm.org/D45024

Patch by Hsiangkai Wang.

llvm-svn: 331841
 		2018-05-09 02:40:45 +00:00
..
2002-04-13-RetTypes.ll
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2002-11-05-GetelementptrPointers.ll
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2004-05-21-SwitchConstantMismatch.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
2006-07-11-StoreStruct.ll
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2006-10-15-AddrLabel.ll
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2006-12-12-IntrinsicDefine.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
2007-12-21-InvokeParamAttrs.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
2008-01-11-VarargAttrs.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
2008-03-01-AllocaSized.ll
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2008-11-15-RetVoid.ll
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2009-05-29-InvokeResult1.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
2009-05-29-InvokeResult2.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
2009-05-29-InvokeResult3.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
2010-08-07-PointerIntrinsic.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
AmbiguousPhi.ll
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DIFile.ll [DebugInfo] Unify ChecksumKind and Checksum value in DIFile 2018-02-12 19:45:54 +00:00
DILocation-parents.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
DISubprogram.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
PhiGrouping.ll
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README.txt
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SelfReferential.ll
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alias.ll Don't IPO over functions that can be de-refined 2016-04-08 00:48:30 +00:00
align-md.ll
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alloc-size-failedparse.ll Add the allocsize attribute to LLVM. 2016-04-12 01:05:35 +00:00
allocsize.ll Add the allocsize attribute to LLVM. 2016-04-12 01:05:35 +00:00
amdgpu-cc.ll Verifier: Check some amdgpu calling convention restrictions 2017-04-04 18:43:11 +00:00
atomics.ll
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bitcast-address-space-nested-global-cycle.ll
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bitcast-address-space-nested-global.ll
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bitcast-address-space-through-constant-inttoptr-inside-gep-instruction.ll
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bitcast-address-space-through-constant-inttoptr.ll
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bitcast-address-space-through-gep-2.ll
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bitcast-address-space-through-gep.ll
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bitcast-address-space-through-inttoptr.ll
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bitcast-address-spaces.ll
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bitcast-alias-address-space.ll
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bitcast-vector-pointer-as.ll
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byval-1.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
byval-4.ll
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callsite-dbgloc.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
cc-flags.ll Debug Info: Support DW_AT_calling_convention on composite types. 2018-01-05 01:13:37 +00:00
comdat-decl1.ll
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comdat-decl2.ll
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comdat.ll
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comdat2.ll
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comdat3.ll
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cttz-undef-arg.ll
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dbg-difile-crash.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dbg-invalid-compileunit.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dbg-invalid-named-metadata.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dbg-invalid-retaintypes.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dbg-invalid-vector.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
dbg-line-without-file.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dbg-null-retained-type.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dbg-orphaned-compileunit.ll [IR/Verifier] List the CU we weren't able to find in `llvm.dbg.cu`. 2017-02-20 22:51:42 +00:00
dbg-typerefs.ll DebugInfo: Remove MDString-based type references 2016-04-23 21:08:00 +00:00
dbg.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
deoptimize-intrinsic.ll All llvm.deoptimize declarations must use the same calling convention 2016-05-12 01:17:38 +00:00
dereferenceable-md.ll
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diderivedtype-address-space-atomic-type.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-const-type.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-friend.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-inheritance.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-member.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-ptr-to-member-type.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-restrict-type.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-rvalue-reference-type.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-typedef.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diderivedtype-address-space-volatile-type.ll [DebugInfo] Emit address space with DW_AT_address_class attribute for pointer and reference types 2017-03-08 23:55:44 +00:00
diexpression-swap.ll [DebugInfo] Make legal and emit DW_OP_swap and DW_OP_xderef 2017-03-08 00:28:57 +00:00
diglobalvariable.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
dominates.ll [Verifier] Reject PHIs using defs from own block. 2016-03-26 23:32:57 +00:00
element-wise-atomic-memory-intrinsics.ll Add element atomic memset intrinsic 2017-07-12 21:57:23 +00:00
fnarg-debuginfo.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
fnarg-nodebug.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
fp-intrinsics.ll Add constrained intrinsics for some libm-equivalent operations 2017-05-25 21:31:00 +00:00
fpmath.ll Verifier: Reject non-float !fpmath 2016-06-27 19:43:15 +00:00
fragment.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
frameescape.ll
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func-dbg.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
function-metadata-bad.ll Add function importing info from samplepgo profile to the module summary. 2017-02-28 18:09:44 +00:00
function-metadata-good.ll
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gc_relocate_addrspace.ll [gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type 2015-12-26 07:54:32 +00:00
gc_relocate_operand.ll [gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type 2015-12-26 07:54:32 +00:00
gc_relocate_return.ll [Statepoints] Initial support for relocating vectors of pointers 2016-01-07 03:32:11 +00:00
gcread-ptrptr.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
gcroot-alloca.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
gcroot-meta.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
gcroot-ptrptr.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
gcwrite-ptrptr.ll Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
global-ctors.ll
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guard-intrinsic.ll Introduce a @llvm.experimental.guard intrinsic 2016-03-31 00:18:46 +00:00
ident-meta1.ll
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ident-meta2.ll
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ident-meta3.ll
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ident-meta4.ll
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inalloca-vararg.ll
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inalloca1.ll
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inalloca2.ll
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inalloca3.ll
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invalid-disubrange-count-node.ll [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
invalid-eh.ll Change "UNSUPPORTED: windows" to be "UNSUPPORTED: system-windows" so that test is actually skipped on Windows. 2018-02-08 18:45:16 +00:00
invalid-statepoint.ll [gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type 2015-12-26 07:54:32 +00:00
invalid-statepoint2.ll [gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type 2015-12-26 07:54:32 +00:00
invoke.ll [coroutines] Part 4[ab]: Coroutine Devirtualization: Lower coro.resume and coro.destroy. 2016-08-04 20:30:07 +00:00
jumptable.ll
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llvm.compiler_used-invalid-type.ll
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llvm.dbg.declare-address.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
llvm.dbg.declare-expression.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
llvm.dbg.declare-variable.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
llvm.dbg.intrinsic-dbg-attachment.ll Verifier: fix bug treating debug info issue as non-debug info issue 2018-01-23 16:11:15 +00:00
llvm.dbg.value-expression.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
llvm.dbg.value-value.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
llvm.dbg.value-variable.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
llvm.used-invalid-init.ll
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llvm.used-invalid-init2.ll
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llvm.used-invalid-type.ll
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llvm.used-invalid-type2.ll
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llvm.used-ptr-type.ll
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mdcompositetype-templateparams-tuple.ll
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mdcompositetype-templateparams.ll
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memcpy.ll Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1) 2018-01-19 17:13:12 +00:00
metadata-function-dbg.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
metadata-function-prof.ll Add function importing info from samplepgo profile to the module summary. 2017-02-28 18:09:44 +00:00
module-flags-1.ll Support for taking the max of module flags when linking, use for PIE/PIC 2017-05-23 00:08:00 +00:00
module-flags-2.ll
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module-flags-3.ll
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musttail-invalid.ll Tweak an assert message in the verifier 2018-04-06 10:20:19 +00:00
musttail-valid.ll
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non-integer-gep-index.ll [Verifier] Check that GEP indexes has correct types 2017-12-14 09:33:58 +00:00
non-integer-gep-index.ll.bc [Verifier] Check that GEP indexes has correct types 2017-12-14 09:33:58 +00:00
non-integral-pointers.ll [Verifier] Add more tests related to non-integral pointers 2016-08-02 23:32:53 +00:00
operand-bundles.ll Add a "gc-transition" operand bundle 2016-01-20 19:50:25 +00:00
pr34325.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
range-1.ll
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range-2.ll
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recursive-struct-param.ll
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recursive-type-1.ll
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recursive-type-2.ll
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recursive-type-3.ll
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resume.ll Included test for r277360. 2016-08-01 18:07:19 +00:00
scatter_gather.ll Support arbitrary address space pointers in masked gather/scatter intrinsics. 2017-05-03 12:28:54 +00:00
speculatable-callsite-invalid.ll Add speculatable function attribute 2017-04-28 20:25:27 +00:00
speculatable-callsite.ll Add speculatable function attribute 2017-04-28 20:25:27 +00:00
sret.ll
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statepoint.ll [gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type 2015-12-26 07:54:32 +00:00
swifterror.ll Swift Calling Convention: add swifterror attribute. 2016-04-01 21:41:15 +00:00
swifterror2.ll Swift Calling Convention: add swifterror attribute. 2016-04-01 21:41:15 +00:00
swifterror3.ll Swift Calling Convention: add swifterror attribute. 2016-04-01 21:41:15 +00:00
swiftself.ll Swift Calling Convention: add swiftself attribute. 2016-03-29 17:37:21 +00:00
tbaa-allowed.ll [Verifier] Allow TBAA metadata on atomicrmw and atomiccmpxchg 2016-12-15 21:23:44 +00:00
tbaa.ll Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
test_copy.mir [GISel]: Verify COPIES involving generic registers. 2018-02-09 01:27:23 +00:00
test_copy_mismatch_types.mir [GISel]: Verify COPIES involving generic registers. 2018-02-09 01:27:23 +00:00
test_g_phi.mir Followup on Proposal to move MIR physical register namespace to '$' sigil. 2018-01-31 22:04:26 +00:00
token1.ll
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token2.ll
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token3.ll
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token4.ll
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token5.ll
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token6.ll
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token7.ll
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unsized-types.ll [IR] Disallow loading and storing unsized types 2016-06-01 16:13:10 +00:00
varargs-intrinsic.ll
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variant-part.ll Add DWARF for discriminated unions 2018-02-06 23:45:59 +00:00
writeonly.ll Add writeonly IR attribute 2016-07-04 08:01:29 +00:00

README.txt 

This directory contains testcases that the verifier is supposed to detect as
malformed LLVM code.  Testcases for situations that the verifier incorrectly
identifies as malformed should go in the test/Assembler directory.