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/mpy.ll b/test/CodeGen/Hexagon/mpy.ll
new file mode 100644
index 0000000..d5c5ae3
--- /dev/null
+++ b/test/CodeGen/Hexagon/mpy.ll
@@ -0,0 +1,19 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; CHECK: += mpyi
+
+define void @foo(i32 %acc, i32 %num, i32 %num2) nounwind {
+entry:
+ %acc.addr = alloca i32, align 4
+ %num.addr = alloca i32, align 4
+ %num2.addr = alloca i32, align 4
+ store i32 %acc, i32* %acc.addr, align 4
+ store i32 %num, i32* %num.addr, align 4
+ store i32 %num2, i32* %num2.addr, align 4
+ %0 = load i32* %num.addr, align 4
+ %1 = load i32* %acc.addr, align 4
+ %mul = mul nsw i32 %0, %1
+ %2 = load i32* %num2.addr, align 4
+ %add = add nsw i32 %mul, %2
+ store i32 %add, i32* %num.addr, align 4
+ ret void
+}