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Mikael Holmen e0ced14449 [ArgumentPromotion] Change use of removed argument in llvm.dbg.value to undef 
Summary:
This solves PR33641.

When removing a dead argument we must also handle possibly existing calls
to llvm.dbg.value that use the removed argument. Now we change the use
of the otherwise dead argument to an undef for some other pass to cleanup
later.

If the calls are left untouched, they will later on cause errors:
 "function-local metadata used in wrong function"
since the ArgumentPromotion rewrites the code by creating a new function
with the wanted signature, but the metadata is not recreated so the new
function may then erroneously use metadata from the old function.

Reviewers: mstorsjo, rnk, arsenm

Reviewed By: rnk

Subscribers: wdng, llvm-commits

Differential Revision: https://reviews.llvm.org/D34874

llvm-svn: 307521
 		2017-07-10 06:07:24 +00:00
..
Analysis Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars" 2017-07-08 17:17:30 +00:00
Assembler Align definition of DW_OP_plus with DWARF spec [3/3] 2017-06-14 13:14:38 +00:00
Bindings [LLVM-C] [OCaml] Expose Type::subtypes. 2017-06-05 11:49:52 +00:00
Bitcode Increase the import-threshold for crtical functions. 2017-07-07 21:01:00 +00:00
BugPoint bugpoint: disabling symbolication of bugpoint-executed programs 2017-06-09 07:29:03 +00:00
CodeGen [X86] Relax an assertion when legalizing vector types. 2017-07-09 19:22:48 +00:00
DebugInfo [PDB] Teach libpdb to write DBI Stream ECNames. 2017-07-07 05:04:36 +00:00
Examples
…
ExecutionEngine [RuntimeDyld, PowerPC] Fix check for external symbols when detecting reloction overflow 2017-05-23 14:51:18 +00:00
Feature Remove the BBVectorize pass. 2017-06-30 07:09:08 +00:00
FileCheck [FileCheck] Don't scan past the closing CHECK-DAG for CHECK-NOT inside CHECK-DAG 2017-06-07 12:06:45 +00:00
Instrumentation Revert r307342, r307343. 2017-07-07 01:31:23 +00:00
Integer
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JitListener
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LTO [LTO] Fix the interaction between linker redefined symbols and ThinLTO 2017-07-06 19:58:26 +00:00
LibDriver [llvm-ar] Make llvm-lib behave more like the MSVC archiver 2017-06-12 19:45:35 +00:00
Linker [Linker] Remove llc usage from link-arm-and-thumb.ll test case. 2017-06-07 09:59:22 +00:00
MC [AMDGPU][mc][gfx9] Added support of op_sel/op_sel_hi for V_MAD_MIX* 2017-07-07 14:29:06 +00:00
Object [YAML] - Teach yaml2obj/obj2yaml to work with numeric relocation values. 2017-06-30 10:31:03 +00:00
ObjectYAML [WebAssembly] Add data size and alignement to linking section 2017-06-27 20:27:59 +00:00
Other Revert "[lit] Clean output directories before running tests." 2017-06-30 16:05:03 +00:00
SafepointIRVerifier [SafepointIRVerifier] Avoid false positives in GC verifier for compare between pointers 2017-07-07 13:02:29 +00:00
SymbolRewriter
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TableGen [TableGen] Add a proper namespace to an Instruction in an AsmMatcher test. This is required after r307358. 2017-07-07 05:50:45 +00:00
ThinLTO/X86 Bitcode: Write the irsymtab to disk. 2017-06-27 23:50:11 +00:00
Transforms [ArgumentPromotion] Change use of removed argument in llvm.dbg.value to undef 2017-07-10 06:07:24 +00:00
Unit Change remaining references to lit.util.capture to use subprocess.check_output. 2017-07-06 21:46:47 +00:00
Verifier [Atomics] Rename and change prototype for atomic memcpy intrinsic 2017-06-16 14:43:59 +00:00
YAMLParser
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tools [PDB] Add a test that verifies every known type record. 2017-07-05 18:43:25 +00:00
.clang-format
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CMakeLists.txt Rename llvm-pdbdump -> llvm-pdbutil. 2017-06-09 20:46:17 +00:00
TestRunner.sh
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lit.cfg Change remaining references to lit.util.capture to use subprocess.check_output. 2017-07-06 21:46:47 +00:00
lit.site.cfg.in Introduce the new feature "abi-breaking-checks" to satisfy -reverse-iterate in llvm/test/Transforms/Util/PredicateInfo/ 2017-06-07 00:22:52 +00:00