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[MemorySSA] Add const to getClobberingMemoryAccess.

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Thanks to bryant for the patch!

Differential Revision: https://reviews.llvm.org/D26086


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285432 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
George Burgess IV 2016-10-28 19:22:46 +00:00
parent 9943293184
commit d7cf4df07b
2 changed files with 5 additions and 5 deletions
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4
include/llvm/Transforms/Utils/MemorySSA.h
View File

@ -783,7 +783,7 @@ public:
/// will return that MemoryDef, whereas the above would return the clobber
/// starting from the use side of the memory def.
virtual MemoryAccess *getClobberingMemoryAccess(MemoryAccess *,
MemoryLocation &) = 0;
const MemoryLocation &) = 0;
/// \brief Given a memory access, invalidate anything this walker knows about
/// that access.
@ -809,7 +809,7 @@ public:
using MemorySSAWalker::getClobberingMemoryAccess;
MemoryAccess *getClobberingMemoryAccess(MemoryAccess *) override;
MemoryAccess *getClobberingMemoryAccess(MemoryAccess *,
MemoryLocation &) override;
const MemoryLocation &) override;
};
using MemoryAccessPair = std::pair<MemoryAccess *, MemoryLocation>;

6
lib/Transforms/Utils/MemorySSA.cpp
View File

@ -1097,7 +1097,7 @@ public:
using MemorySSAWalker::getClobberingMemoryAccess;
MemoryAccess *getClobberingMemoryAccess(MemoryAccess *) override;
MemoryAccess *getClobberingMemoryAccess(MemoryAccess *,
MemoryLocation &) override;
const MemoryLocation &) override;
void invalidateInfo(MemoryAccess *) override;
/// Whether we call resetClobberWalker() after each time we *actually* walk to
@ -2163,7 +2163,7 @@ MemoryAccess *MemorySSA::CachingWalker::getClobberingMemoryAccess(
}
MemoryAccess *MemorySSA::CachingWalker::getClobberingMemoryAccess(
MemoryAccess *StartingAccess, MemoryLocation &Loc) {
MemoryAccess *StartingAccess, const MemoryLocation &Loc) {
if (isa<MemoryPhi>(StartingAccess))
return StartingAccess;
@ -2266,7 +2266,7 @@ DoNothingMemorySSAWalker::getClobberingMemoryAccess(MemoryAccess *MA) {
}
MemoryAccess *DoNothingMemorySSAWalker::getClobberingMemoryAccess(
MemoryAccess *StartingAccess, MemoryLocation &) {
MemoryAccess *StartingAccess, const MemoryLocation &) {
if (auto *Use = dyn_cast<MemoryUseOrDef>(StartingAccess))
return Use->getDefiningAccess();
return StartingAccess;