1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/load64.ll b/test/CodeGen/AMDGPU/load64.ll
new file mode 100644
index 0000000000000..74beabdc00763
--- /dev/null
+++ b/test/CodeGen/AMDGPU/load64.ll
@@ -0,0 +1,31 @@
+; RUN: llc < %s -march=amdgcn -mcpu=tahiti -verify-machineinstrs | FileCheck %s
+; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s
+
+; load a f64 value from the global address space.
+; CHECK-LABEL: {{^}}load_f64:
+; CHECK: buffer_load_dwordx2 v[{{[0-9]+:[0-9]+}}]
+; CHECK: buffer_store_dwordx2 v[{{[0-9]+:[0-9]+}}]
+define void @load_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
+  %1 = load double, double addrspace(1)* %in
+  store double %1, double addrspace(1)* %out
+  ret void
+}
+
+; CHECK-LABEL: {{^}}load_i64:
+; CHECK: buffer_load_dwordx2 v[{{[0-9]+:[0-9]+}}]
+; CHECK: buffer_store_dwordx2 v[{{[0-9]+:[0-9]+}}]
+define void @load_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) {
+  %tmp = load i64, i64 addrspace(1)* %in
+  store i64 %tmp, i64 addrspace(1)* %out, align 8
+  ret void
+}
+
+; Load a f64 value from the constant address space.
+; CHECK-LABEL: {{^}}load_const_addrspace_f64:
+; CHECK: s_load_dwordx2 s[{{[0-9]+:[0-9]+}}]
+; CHECK: buffer_store_dwordx2 v[{{[0-9]+:[0-9]+}}]
+define void @load_const_addrspace_f64(double addrspace(1)* %out, double addrspace(2)* %in) {
+  %1 = load double, double addrspace(2)* %in
+  store double %1, double addrspace(1)* %out
+  ret void
+}