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authorTyker <tyker1@outlook.com>2021-02-10 01:32:00 +0100
committerTyker <tyker1@outlook.com>2021-02-10 01:32:00 +0100
commit5652e192fc22ed2281192d5fe80c7ea76bbbe719 (patch)
tree422b4426f4a1d05d40a9f6ece892c6789cd39ac4 /llvm/lib/Analysis/Loads.cpp
parent3dcb535115e48a90886ed6cf275bd3eea14e354f (diff)
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Revert "[InstCombine] convert assumes to operand bundles"
This reverts commit 5eb2e994f9b3a5aff0a156d0a1f7e6121342cc11.
Diffstat (limited to 'llvm/lib/Analysis/Loads.cpp')
-rw-r--r--llvm/lib/Analysis/Loads.cpp26
1 files changed, 0 insertions, 26 deletions
diff --git a/llvm/lib/Analysis/Loads.cpp b/llvm/lib/Analysis/Loads.cpp
index af7ef98..d8f954f 100644
--- a/llvm/lib/Analysis/Loads.cpp
+++ b/llvm/lib/Analysis/Loads.cpp
@@ -12,7 +12,6 @@
#include "llvm/Analysis/Loads.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/AssumeBundleQueries.h"
#include "llvm/Analysis/CaptureTracking.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/MemoryBuiltins.h"
@@ -81,31 +80,6 @@ static bool isDereferenceableAndAlignedPointer(
return isAligned(V, Offset, Alignment, DL);
}
- if (CtxI) {
- /// Look through assumes to see if both dereferencability and alignment can
- /// be provent by an assume
- RetainedKnowledge AlignRK;
- RetainedKnowledge DerefRK;
- if (getKnowledgeForValue(
- V, {Attribute::Dereferenceable, Attribute::Alignment}, nullptr,
- [&](RetainedKnowledge RK, Instruction *Assume, auto) {
- if (!isValidAssumeForContext(Assume, CtxI))
- return false;
- if (RK.AttrKind == Attribute::Alignment)
- AlignRK = std::max(AlignRK, RK);
- if (RK.AttrKind == Attribute::Dereferenceable)
- DerefRK = std::max(DerefRK, RK);
- if (AlignRK && DerefRK && AlignRK.ArgValue >= Alignment.value() &&
- DerefRK.ArgValue >= Size.getZExtValue())
- return true; // We have found what we needed so we stop looking
- return false; // Other assumes may have better information. so
- // keep looking
- }))
- return true;
- }
- /// TODO refactor this function to be able to search independently for
- /// Dereferencability and Alignment requirements.
-
// For GEPs, determine if the indexing lands within the allocated object.
if (const GEPOperator *GEP = dyn_cast<GEPOperator>(V)) {
const Value *Base = GEP->getPointerOperand();