Do not mangle intrinsics in any way!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12673 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Mangler.cpp b/lib/Support/Mangler.cpp
index 0982efd..0705c9b 100644
--- a/lib/Support/Mangler.cpp
+++ b/lib/Support/Mangler.cpp
@@ -56,13 +56,16 @@
std::string name;
if (V->hasName()) { // Print out the label if it exists...
// Name mangling occurs as follows:
+ // - If V is an intrinsic function, do not change name at all
// - If V is not a global, mangling always occurs.
// - Otherwise, mangling occurs when any of the following are true:
// 1) V has internal linkage
// 2) V's name would collide if it is not mangled.
//
const GlobalValue* gv = dyn_cast<GlobalValue>(V);
- if (gv && !gv->hasInternalLinkage() && !MangledGlobals.count(gv)) {
+ if (gv && isa<Function>(gv) && cast<Function>(gv)->getIntrinsicID()) {
+ name = gv->getName(); // Is an intrinsic function
+ } else if (gv && !gv->hasInternalLinkage() && !MangledGlobals.count(gv)) {
name = makeNameProper(gv->getName());
if (AddUnderscorePrefix) name = "_" + name;
} else {