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author | Evan Cheng <evan.cheng@apple.com> | 2008-01-12 18:57:32 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2008-01-12 18:57:32 +0000 |
commit | f4a5498ab44f06b2b74da7fda92521f34bb22367 (patch) | |
tree | 996c18fac94a1f426b60a7e11b8e90b48a93e496 /lib | |
parent | 92938b714565db1aea797d7c7a04987cfc6384c2 (diff) | |
download | external_llvm-f4a5498ab44f06b2b74da7fda92521f34bb22367.zip external_llvm-f4a5498ab44f06b2b74da7fda92521f34bb22367.tar.gz external_llvm-f4a5498ab44f06b2b74da7fda92521f34bb22367.tar.bz2 |
Add hasByValArgument() to test if a call instruction has byval argument(s).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45913 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/VMCore/Instructions.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp index d8bcb31..a9cc275 100644 --- a/lib/VMCore/Instructions.cpp +++ b/lib/VMCore/Instructions.cpp @@ -404,6 +404,17 @@ bool CallInst::isStructReturn() const { return paramHasAttr(1, ParamAttr::StructRet); } +/// @brief Determine if any call argument is an aggregate passed by value. +bool CallInst::hasByValArgument() const { + const Value *Callee = getCalledValue(); + const PointerType *CalleeTy = cast<PointerType>(Callee->getType()); + const FunctionType *FTy = cast<FunctionType>(CalleeTy->getElementType()); + for (unsigned i = 1, e = FTy->getNumParams()+1; i != e; ++i) + if (paramHasAttr(i, ParamAttr::ByVal)) + return true; + return false; +} + void CallInst::setDoesNotThrow(bool doesNotThrow) { const ParamAttrsList *PAL = getParamAttrs(); if (doesNotThrow) |