diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index bc01d2ef7fe2..52596b30494f 100644 --- a/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -3289,6 +3289,10 @@ bool InstCombinerImpl::transformConstExprCastCall(CallBase &Call) { if (CallerPAL.hasParamAttr(i, Attribute::SwiftError)) return false; + if (CallerPAL.hasParamAttr(i, Attribute::ByVal) != + Callee->getAttributes().hasParamAttr(i, Attribute::ByVal)) + return false; // Cannot transform to or from byval. + // If the parameter is passed as a byval argument, then we have to have a // sized type and the sized type has to have the same size as the old type. if (ParamTy != ActTy && CallerPAL.hasParamAttr(i, Attribute::ByVal)) { |