Remove NEON vmovn intrinsic, replacing it with vector truncate operations.
Auto-upgrade the old intrinsic and update tests.
llvm-svn: 112507
diff --git a/llvm/lib/VMCore/AutoUpgrade.cpp b/llvm/lib/VMCore/AutoUpgrade.cpp
index 62a4625..c994339 100644
--- a/llvm/lib/VMCore/AutoUpgrade.cpp
+++ b/llvm/lib/VMCore/AutoUpgrade.cpp
@@ -88,7 +88,9 @@
((Name.compare(14, 5, "vaddw", 5) == 0 ||
Name.compare(14, 5, "vsubw", 5) == 0) &&
(Name.compare(19, 2, "s.", 2) == 0 ||
- Name.compare(19, 2, "u.", 2) == 0))) {
+ Name.compare(19, 2, "u.", 2) == 0)) ||
+
+ (Name.compare(14, 6, "vmovn.", 6) == 0)) {
// Calls to these are transformed into IR without intrinsics.
NewFn = 0;
@@ -401,6 +403,9 @@
else
NewI = BinaryOperator::CreateSub(V0, V1,"upgraded."+CI->getName(),CI);
+ } else if (Name.compare(14, 6, "vmovn.", 6) == 0) {
+ NewI = new TruncInst(CI->getArgOperand(0), CI->getType(),
+ "upgraded." + CI->getName(), CI);
} else {
llvm_unreachable("Unknown arm.neon function for CallInst upgrade.");
}