Fix X86/inline-asm.ll:test2, a case where an input value was implicitly
truncated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28733 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 57f7446..0a9cb63 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -1804,9 +1804,12 @@
// If there is a single register and the types differ, this must be
// a promotion.
if (RegVT != ValueVT) {
- if (MVT::isInteger(RegVT))
- Val = DAG.getNode(ISD::ANY_EXTEND, RegVT, Val);
- else
+ if (MVT::isInteger(RegVT)) {
+ if (RegVT < ValueVT)
+ Val = DAG.getNode(ISD::TRUNCATE, RegVT, Val);
+ else
+ Val = DAG.getNode(ISD::ANY_EXTEND, RegVT, Val);
+ } else
Val = DAG.getNode(ISD::FP_EXTEND, RegVT, Val);
}
Chain = DAG.getCopyToReg(Chain, Regs[0], Val, Flag);