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| author | Stephen Hines <srhines@google.com> | 2013-08-07 15:07:10 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2013-08-07 15:07:10 -0700 |
| commit | fab2daa4a1127ecb217abe2b07c1769122b6fee1 (patch) | |
| tree | 268ebfd1963fd98ba412e76819afdf95a7d4267b /lib/IR/Function.cpp | |
| parent | 8197ac1c1a0a91baa70c4dea8cb488f254ef974c (diff) | |
| parent | 10251753b6897adcd22cc981c0cc42f348c109de (diff) | |
| download | external_llvm-fab2daa4a1127ecb217abe2b07c1769122b6fee1.zip external_llvm-fab2daa4a1127ecb217abe2b07c1769122b6fee1.tar.gz external_llvm-fab2daa4a1127ecb217abe2b07c1769122b6fee1.tar.bz2 | |
Merge commit '10251753b6897adcd22cc981c0cc42f348c109de' into merge-20130807
Conflicts:
lib/Archive/ArchiveReader.cpp
lib/Support/Unix/PathV2.inc
Change-Id: I29d8c1e321a4a380b6013f00bac6a8e4b593cc4e
Diffstat (limited to 'lib/IR/Function.cpp')
| -rw-r--r-- | lib/IR/Function.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/IR/Function.cpp b/lib/IR/Function.cpp index 7f7efabf..bf9d949 100644 --- a/lib/IR/Function.cpp +++ b/lib/IR/Function.cpp @@ -131,6 +131,15 @@ bool Argument::hasReturnedAttr() const { hasAttribute(getArgNo()+1, Attribute::Returned); } +/// Return true if this argument has the readonly or readnone attribute on it +/// in its containing function. +bool Argument::onlyReadsMemory() const { + return getParent()->getAttributes(). + hasAttribute(getArgNo()+1, Attribute::ReadOnly) || + getParent()->getAttributes(). + hasAttribute(getArgNo()+1, Attribute::ReadNone); +} + /// addAttr - Add attributes to an argument. void Argument::addAttr(AttributeSet AS) { assert(AS.getNumSlots() <= 1 && @@ -711,4 +720,3 @@ bool Function::callsFunctionThatReturnsTwice() const { return false; } - |