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-rw-r--r--llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp3
-rw-r--r--llvm/test/CodeGen/Hexagon/circ-load-isel.ll18
2 files changed, 20 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp b/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
index 734c1b41021..f22e17c296d 100644
--- a/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
@@ -654,7 +654,7 @@ bool HexagonDAGToDAGISel::tryLoadOfLoadIntrinsic(LoadSDNode *N) {
// This transformation will leave the intrinsic dead. If it remains in
// the DAG, the selection code will see it again, but without the load,
// and it will generate a store that is normally required for it.
- CurDAG->RemoveDeadNodes();
+ CurDAG->RemoveDeadNode(C);
return true;
}
@@ -1045,6 +1045,7 @@ void HexagonDAGToDAGISel::SelectZeroExtend(SDNode *N) {
void HexagonDAGToDAGISel::SelectIntrinsicWChain(SDNode *N) {
if (MachineSDNode *L = LoadInstrForLoadIntrinsic(N)) {
StoreInstrForLoadIntrinsic(L, N);
+ CurDAG->RemoveDeadNode(N);
return;
}
SelectCode(N);
diff --git a/llvm/test/CodeGen/Hexagon/circ-load-isel.ll b/llvm/test/CodeGen/Hexagon/circ-load-isel.ll
new file mode 100644
index 00000000000..576fbdf53cf
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/circ-load-isel.ll
@@ -0,0 +1,18 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+; CHECK: = memw{{.*}}circ
+
+target triple = "hexagon"
+
+@l = external global i32, align 4
+
+; Function Attrs: nounwind optsize
+define void @circ2() #0 {
+entry:
+ store i32 0, i32* @l, align 4
+ %0 = tail call i8* @llvm.hexagon.circ.ldw(i8* undef, i8* undef, i32 150995968, i32 4)
+ unreachable
+}
+
+declare i8* @llvm.hexagon.circ.ldw(i8*, i8*, i32, i32) #1
+attributes #0 = { nounwind optsize }
+attributes #1 = { argmemonly nounwind }
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