Reapply address space patch after fixing an issue in MemCopyOptimizer.

Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang
2010-04-04 03:10:48 +00:00
parent 0c08d09204
commit 20adc9dc46
28 changed files with 317 additions and 145 deletions

View File

@@ -133,6 +133,13 @@ namespace llvm {
return getAlignmentCst()->getZExtValue();
}
ConstantInt *getVolatileCst() const {
return cast<ConstantInt>(const_cast<Value*>(getOperand(5)));
}
bool isVolatile() const {
return getVolatileCst()->getZExtValue() != 0;
}
/// getDest - This is just like getRawDest, but it strips off any cast
/// instructions that feed it, giving the original input. The returned
/// value is guaranteed to be a pointer.
@@ -155,7 +162,11 @@ namespace llvm {
void setAlignment(Constant* A) {
setOperand(4, A);
}
void setVolatile(Constant* V) {
setOperand(5, V);
}
const Type *getAlignmentType() const {
return getOperand(4)->getType();
}