Hexagon backend support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Hexagon/combine.ll b/test/CodeGen/Hexagon/combine.ll
new file mode 100644
index 0000000..7219985
--- /dev/null
+++ b/test/CodeGen/Hexagon/combine.ll
@@ -0,0 +1,17 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; CHECK: combine(r{{[0-9]+}}, r{{[0-9]+}})
+
+@j = external global i32
+@k = external global i64
+
+define void @foo() nounwind {
+entry:
+ %0 = load i32* @j, align 4
+ %1 = load i64* @k, align 8
+ %conv = trunc i64 %1 to i32
+ %2 = call i64 @llvm.hexagon.A2.combinew(i32 %0, i32 %conv)
+ store i64 %2, i64* @k, align 8
+ ret void
+}
+
+declare i64 @llvm.hexagon.A2.combinew(i32, i32) nounwind readnone