1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/dsub.ll b/test/CodeGen/Hexagon/dsub.ll
new file mode 100644
index 0000000000..4f9d39ed0b
--- /dev/null
+++ b/test/CodeGen/Hexagon/dsub.ll
@@ -0,0 +1,18 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5  < %s | FileCheck %s
+; Check that we generate double precision floating point subtract in V5.
+
+; CHECK: r{{[0-9]+}}:{{[0-9]+}} = dfsub(r{{[0-9]+}}:{{[0-9]+}}, r{{[0-9]+}}:{{[0-9]+}})
+
+define i32 @main() nounwind {
+entry:
+  %a = alloca double, align 8
+  %b = alloca double, align 8
+  %c = alloca double, align 8
+  store double 1.540000e+01, double* %a, align 8
+  store double 9.100000e+00, double* %b, align 8
+  %0 = load double* %b, align 8
+  %1 = load double* %a, align 8
+  %sub = fsub double %0, %1
+  store double %sub, double* %c, align 8
+  ret i32 0
+}