Added support for overloading intrinsics (atomics) based on pointers
to different address spaces. This alters the naming scheme for those
intrinsics, e.g., atomic.load.add.i32 => atomic.load.add.i32.p0i32
llvm-svn: 54195
diff --git a/llvm/lib/VMCore/AutoUpgrade.cpp b/llvm/lib/VMCore/AutoUpgrade.cpp
index a48fbd2..221dc06 100644
--- a/llvm/lib/VMCore/AutoUpgrade.cpp
+++ b/llvm/lib/VMCore/AutoUpgrade.cpp
@@ -40,24 +40,38 @@
switch (Name[5]) {
default: break;
case 'a':
- // This upgrades the llvm.atomic.lcs, llvm.atomic.las, and llvm.atomic.lss
- // to their new function name
- if (Name.compare(5,8,"atomic.l",8) == 0) {
+ // This upgrades the llvm.atomic.lcs, llvm.atomic.las, llvm.atomic.lss,
+ // and atomics with default address spaces to their new names to their new
+ // function name (e.g. llvm.atomic.add.i32 => llvm.atomic.add.i32.p0i32)
+ if (Name.compare(5,7,"atomic.",7) == 0) {
if (Name.compare(12,3,"lcs",3) == 0) {
std::string::size_type delim = Name.find('.',12);
- F->setName("llvm.atomic.cmp.swap"+Name.substr(delim));
+ F->setName("llvm.atomic.cmp.swap" + Name.substr(delim) +
+ ".p0" + Name.substr(delim+1));
NewFn = F;
return true;
}
else if (Name.compare(12,3,"las",3) == 0) {
std::string::size_type delim = Name.find('.',12);
- F->setName("llvm.atomic.load.add"+Name.substr(delim));
+ F->setName("llvm.atomic.load.add"+Name.substr(delim)
+ + ".p0" + Name.substr(delim+1));
NewFn = F;
return true;
}
else if (Name.compare(12,3,"lss",3) == 0) {
std::string::size_type delim = Name.find('.',12);
- F->setName("llvm.atomic.load.sub"+Name.substr(delim));
+ F->setName("llvm.atomic.load.sub"+Name.substr(delim)
+ + ".p0" + Name.substr(delim+1));
+ NewFn = F;
+ return true;
+ }
+ else if (Name.rfind(".p") == std::string::npos) {
+ // We don't have an address space qualifier so this has be upgraded
+ // to the new name. Copy the type name at the end of the intrinsic
+ // and add to it
+ std::string::size_type delim = Name.find_last_of('.');
+ assert(delim != std::string::npos && "can not find type");
+ F->setName(Name + ".p0" + Name.substr(delim+1));
NewFn = F;
return true;
}