diff options
Diffstat (limited to 'lib/Transforms/Scalar/CodeGenPrepare.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/CodeGenPrepare.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp index 4d31444b76..665d5b0171 100644 --- a/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -774,8 +774,10 @@ bool CodeGenPrepare::DupRetToEnableTailCallOpts(ReturnInst *RI) { // Conservatively require the attributes of the call to match those of the // return. Ignore noalias because it doesn't affect the call sequence. Attributes CalleeRetAttr = CS.getAttributes().getRetAttributes(); - if (Attributes::Builder(CalleeRetAttr ^ CallerRetAttr) - .removeAttribute(Attributes::NoAlias).hasAttributes()) + if (Attributes::Builder(CalleeRetAttr). + removeAttribute(Attributes::NoAlias) != + Attributes::Builder(CallerRetAttr). + removeAttribute(Attributes::NoAlias)) continue; // Make sure the call instruction is followed by an unconditional branch to |