RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-12-19 01:48:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

add a GEP helper function

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36515 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-27 20:35:56 +00:00
parent 4c6d20a096
commit 6b0974cd1d
2 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/llvm/Instructions.h
View File

@ -441,6 +441,12 @@ public:
/// zeros. If so, the result pointer and the first operand have the same
/// value, just potentially different types.
bool hasAllZeroIndices() const;
/// hasAllConstantIndices - Return true if all of the indices of this GEP are
/// constant integers. If so, the result pointer and the first operand have
/// a constant offset between them.
bool hasAllConstantIndices() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const GetElementPtrInst *) { return true; }

11
lib/VMCore/Instructions.cpp
View File

@ -1043,6 +1043,17 @@ bool GetElementPtrInst::hasAllZeroIndices() const {
return true;
}
/// hasAllConstantIndices - Return true if all of the indices of this GEP are
/// constant integers. If so, the result pointer and the first operand have
/// a constant offset between them.
bool GetElementPtrInst::hasAllConstantIndices() const {
for (unsigned i = 1, e = getNumOperands(); i != e; ++i) {
if (!isa<ConstantInt>(getOperand(i)))
return false;
}
return true;
}
//===----------------------------------------------------------------------===//
// ExtractElementInst Implementation