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llvm-mirror/test
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Dawid Jurczak 79ff6e4b2d [LoopIdiom] Don't transform loop into memmove when load from body has more than one use 
This change fixes issue found by Markus: https://reviews.llvm.org/rG11338e998df1
Before this patch following code was transformed to memmove:

for (int i = 15; i >= 1; i--) {
  p[i] = p[i-1];
  sum += p[i-1];
}

However load from p[i-1] is used not only by store to p[i] but also by sum computation.
Therefore we cannot emit memmove in loop header.

Differential Revision: https://reviews.llvm.org/D107964

(cherry picked from commit bdcf04246c401aec9bdddf32fabc99fa4834a477)
2021-08-25 16:19:10 +02:00
..
Analysis [AArch64] Update and expand min-max cost model test. NFC 2021-07-27 18:48:58 +01:00
Assembler [AsmParser] Unify parsing of attributes 2021-07-15 17:51:11 +02:00
Bindings
Bitcode [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
BugPoint
CodeGen Revert "[RISCV] Fix reporting of incorrect commutable operand indices" 2021-08-24 21:59:54 -07:00
DebugInfo Revert sharing subprograms across CUs 2021-08-23 11:18:57 -07:00
Demangle Demangle: correct swift_async demangling for Microsoft scheme 2021-07-14 11:43:44 -07:00
Examples
ExecutionEngine [JITLink][RISCV] Run new test from 0ad562b48 only if the RISCV backend is enabled 2021-07-25 10:47:26 -04:00
Feature
FileCheck
Instrumentation [hwasan] Use stack safety analysis. 2021-07-22 16:20:27 -07:00
Integer
JitListener
Linker [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
LTO [LTO] Add SelectionKind to IRSymtab and use it in ld.lld/LLVMgold 2021-07-20 13:22:00 -07:00
MachineVerifier [MachineVerifier] Make INSERT_SUBREG diagnostic respect operand 2 subregs 2021-07-21 08:47:17 -07:00
MC [AArch64][SME] Add zero instruction 2021-07-27 08:35:45 +00:00
Object [llvm-readobj] Display multiple function names for stack size entries 2021-07-26 14:49:53 +01:00
ObjectYAML [yaml2obj][MachO] Rename PayloadString to Content 2021-07-26 09:04:51 -07:00
Other [ConstantFold] Get rid of special cases for sizeof etc. 2021-08-04 21:25:15 -07:00
SafepointIRVerifier
Support
SymbolRewriter [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
TableGen
ThinLTO/X86 ThinLTO: Fix inline assembly references to static functions with CFI 2021-08-24 18:49:13 -07:00
tools [Coverage][llvm-cov] Correctly export branch coverage in LCOV format 2021-08-23 21:02:01 -07:00
Transforms [LoopIdiom] Don't transform loop into memmove when load from body has more than one use 2021-08-25 16:19:10 +02:00
Unit
Verifier [Verifier] Check byval/etc type when comparing ABI attributes 2021-07-20 20:19:47 +02:00
YAMLParser
.clang-format
CMakeLists.txt [test] Add llvm-stress to LLVM_TEST_DEPENDS and lit substitutions 2021-07-22 09:37:01 -07:00
lit.cfg.py [test] Add llvm-stress to LLVM_TEST_DEPENDS and lit substitutions 2021-07-22 09:37:01 -07:00
lit.site.cfg.py.in
TestRunner.sh