1 files changed, 62 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/extract_vector_elt-i64.ll b/test/CodeGen/AMDGPU/extract_vector_elt-i64.ll
new file mode 100644
index 0000000000000..0a51c39f026f6
--- /dev/null
+++ b/test/CodeGen/AMDGPU/extract_vector_elt-i64.ll
@@ -0,0 +1,62 @@
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+
+; How the replacement of i64 stores with v2i32 stores resulted in
+; breaking other users of the bitcast if they already existed
+
+; GCN-LABEL: {{^}}extract_vector_elt_select_error:
+; GCN: buffer_store_dword
+; GCN: buffer_store_dword
+; GCN: buffer_store_dwordx2
+define void @extract_vector_elt_select_error(i32 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %val) #0 {
+  %vec = bitcast i64 %val to <2 x i32>
+  %elt0 = extractelement <2 x i32> %vec, i32 0
+  %elt1 = extractelement <2 x i32> %vec, i32 1
+
+  store volatile i32 %elt0, i32 addrspace(1)* %out
+  store volatile i32 %elt1, i32 addrspace(1)* %out
+  store volatile i64 %val, i64 addrspace(1)* %in
+  ret void
+}
+
+; GCN-LABEL: {{^}}extract_vector_elt_v2i64:
+define void @extract_vector_elt_v2i64(i64 addrspace(1)* %out, <2 x i64> %foo) #0 {
+  %p0 = extractelement <2 x i64> %foo, i32 0
+  %p1 = extractelement <2 x i64> %foo, i32 1
+  %out1 = getelementptr i64, i64 addrspace(1)* %out, i32 1
+  store volatile i64 %p1, i64 addrspace(1)* %out
+  store volatile i64 %p0, i64 addrspace(1)* %out1
+  ret void
+}
+
+; GCN-LABEL: {{^}}dyn_extract_vector_elt_v2i64:
+define void @dyn_extract_vector_elt_v2i64(i64 addrspace(1)* %out, <2 x i64> %foo, i32 %elt) #0 {
+  %dynelt = extractelement <2 x i64> %foo, i32 %elt
+  store volatile i64 %dynelt, i64 addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}dyn_extract_vector_elt_v2i64_2:
+define void @dyn_extract_vector_elt_v2i64_2(i64 addrspace(1)* %out, <2 x i64> addrspace(1)* %foo, i32 %elt, <2 x i64> %arst) #0 {
+  %load = load volatile <2 x i64>, <2 x i64> addrspace(1)* %foo
+  %or = or <2 x i64> %load, %arst
+  %dynelt = extractelement <2 x i64> %or, i32 %elt
+  store volatile i64 %dynelt, i64 addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}dyn_extract_vector_elt_v3i64:
+define void @dyn_extract_vector_elt_v3i64(i64 addrspace(1)* %out, <3 x i64> %foo, i32 %elt) #0 {
+  %dynelt = extractelement <3 x i64> %foo, i32 %elt
+  store volatile i64 %dynelt, i64 addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}dyn_extract_vector_elt_v4i64:
+define void @dyn_extract_vector_elt_v4i64(i64 addrspace(1)* %out, <4 x i64> %foo, i32 %elt) #0 {
+  %dynelt = extractelement <4 x i64> %foo, i32 %elt
+  store volatile i64 %dynelt, i64 addrspace(1)* %out
+  ret void
+}
+
+attributes #0 = { nounwind }