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Guillaume Chatelet 808286342a [Alignment][NFC] Assume AlignmentFromAssumptions::getNewAlignment is always set. 
Summary:
In D77454 we explain that `LoadInst` and `StoreInst` always have their alignment defined.
This allows to work backward here and to infer that `getNewAlignment` does not need to return `0` in case of failure.
Returning `1` also works since it needs to be greater than the Load/Store alignment which is a least `1`.

This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77538
 		2020-04-06 14:54:57 +00:00
..
Analysis [ValueTracking] enhance matching of smin/smax with 'not' operands 2020-04-05 08:54:12 -04:00
AsmParser Remove "mask" operand from shufflevector. 2020-03-31 13:08:59 -07:00
BinaryFormat [llvm-objdump][XCOFF] Use symbol index+symbol name + storage mapping class as label for -D 2020-04-06 10:10:10 -04:00
Bitcode [llvm-bcanalyzer] Simplify code. NFCI. 2020-04-06 12:50:50 +02:00
Bitstream Revert "Remove redundant "std::move"s in return statements" 2020-02-10 07:07:40 -08:00
CodeGen DAG: Combine extract_vector_elt of concat_vectors 2020-04-06 09:26:29 -04:00
DWARFLinker Add an -object-path-prefix option to dsymutil 2020-03-24 17:13:42 -07:00
DebugInfo [DebugInfo] Fix reading range lists of v5 units in DWP. 2020-04-06 13:28:06 +07:00
Demangle Use std::foo_t rather than std::foo in LLVM. 2020-02-11 15:12:51 -08:00
ExecutionEngine [RuntimeDyld] Replace hand-rolled endian conversion with support::endian. NFCI. 2020-04-06 13:22:53 +02:00
Frontend [OpenMP][NFC] Move and simplify directive -> allowed clause mapping 2020-04-06 00:04:08 -05:00
FuzzMutate Remove CompositeType class. 2020-03-18 13:53:17 -07:00
Fuzzer
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IR [Alignment][NFC] Remove deprecated functions introduced in 10.0.0 2020-04-06 12:07:18 +00:00
IRReader
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LTO [LTO] Replace hand-rolled endian conversion with support::endian. NFCI. 2020-04-06 13:23:27 +02:00
LineEditor Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
Linker IR Linking: Support merging Warning+Max module metadata flags 2020-02-07 16:29:58 -08:00
MC [MC] Use a byte_swap in emitIntValue instead of doing it in a loop. NFCI. 2020-04-06 15:51:24 +02:00
MCA Revert "Remove redundant "std::move"s in return statements" 2020-02-10 07:07:40 -08:00
Object [llvm-objdump][XCOFF] Use symbol index+symbol name + storage mapping class as label for -D 2020-04-06 10:10:10 -04:00
ObjectYAML [yaml2obj] - Add NBucket and NChain fields for the SHT_HASH section. 2020-04-01 12:28:16 +03:00
Option Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
Passes Expose `attributor-disable` to the new and old pass managers 2020-04-05 22:29:34 -05:00
ProfileData [SampleFDO] Port MD5 name table support to extbinary format. 2020-03-30 22:07:08 -07:00
Remarks Revert "Remove redundant "std::move"s in return statements" 2020-02-10 07:07:40 -08:00
Support [llvm/Support] Make more DataExtractor methods error-aware 2020-04-06 14:14:11 +02:00
TableGen Explicitly include <cassert> when using assert 2020-03-02 22:45:28 +01:00
Target AMDGPU: Use DAG patterns for div_fmas 2020-04-06 09:28:30 -04:00
Testing
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TextAPI [llvm][TextAPI] adding inlining reexported libraries support 2020-04-02 13:05:08 -07:00
ToolDrivers [llvm] Replace SmallStr.str().str() with std::string conversion operator. 2020-01-29 21:16:46 -08:00
Transforms [Alignment][NFC] Assume AlignmentFromAssumptions::getNewAlignment is always set. 2020-04-06 14:54:57 +00:00
WindowsManifest Try to fix WindowsManifest CMake logic on Windows 2020-02-28 17:24:03 -08:00
XRay Use std::foo_t rather than std::foo in LLVM. 2020-02-11 15:12:51 -08:00
CMakeLists.txt [Dsymutil][Debuginfo][NFC] Reland: Refactor dsymutil to separate DWARF optimizing part. #2. 2020-01-08 14:15:31 +03:00
LLVMBuild.txt [Dsymutil][Debuginfo][NFC] Reland: Refactor dsymutil to separate DWARF optimizing part. #2. 2020-01-08 14:15:31 +03:00