Hexagon backend support

llvm-svn: 146412

1 files changed, 22 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Hexagon/double.ll b/llvm/test/CodeGen/Hexagon/double.ll
new file mode 100644
index 00000000000..c3b6f378ec8
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/double.ll
@@ -0,0 +1,22 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; CHECK: __hexagon_adddf3
+; CHECK: __hexagon_subdf3
+
+define void @foo(double* %acc, double %num, double %num2) nounwind {
+entry:
+  %acc.addr = alloca double*, align 4
+  %num.addr = alloca double, align 8
+  %num2.addr = alloca double, align 8
+  store double* %acc, double** %acc.addr, align 4
+  store double %num, double* %num.addr, align 8
+  store double %num2, double* %num2.addr, align 8
+  %0 = load double** %acc.addr, align 4
+  %1 = load double* %0
+  %2 = load double* %num.addr, align 8
+  %add = fadd double %1, %2
+  %3 = load double* %num2.addr, align 8
+  %sub = fsub double %add, %3
+  %4 = load double** %acc.addr, align 4
+  store double %sub, double* %4
+  ret void
+}