1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/R600/fsub64.ll b/llvm/test/CodeGen/R600/fsub64.ll
new file mode 100644
index 00000000000..fa59dcc394b
--- /dev/null
+++ b/llvm/test/CodeGen/R600/fsub64.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -march=r600 -mcpu=tahiti | FileCheck %s
+
+; CHECK: @fsub_f64
+; CHECK: V_ADD_F64 {{VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+}}, 0, 0, 0, 0, 2
+
+define void @fsub_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
+                      double addrspace(1)* %in2) {
+   %r0 = load double addrspace(1)* %in1
+   %r1 = load double addrspace(1)* %in2
+   %r2 = fsub double %r0, %r1
+   store double %r2, double addrspace(1)* %out
+   ret void
+}