1 files changed, 56 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/trunc-store-f64-to-f16.ll b/llvm/test/CodeGen/AMDGPU/trunc-store-f64-to-f16.ll
new file mode 100644
index 00000000000..c29872beef8
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/trunc-store-f64-to-f16.ll
@@ -0,0 +1,56 @@
+; XFAIL: *
+; RUN: llc -march=amdgcn -mcpu=SI < %s
+
+; GCN-LABEL: {{^}}global_truncstore_f64_to_f16:
+; GCN: s_endpgm
+define void @global_truncstore_f64_to_f16(half addrspace(1)* %out, double addrspace(1)* %in) #0 {
+  %val = load double, double addrspace(1)* %in
+  %cvt = fptrunc double %val to half
+  store half %cvt, half addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}global_truncstore_v2f64_to_v2f16:
+; GCN: s_endpgm
+define void @global_truncstore_v2f64_to_v2f16(<2 x half> addrspace(1)* %out, <2 x double> addrspace(1)* %in) #0 {
+  %val = load <2 x double>, <2 x double> addrspace(1)* %in
+  %cvt = fptrunc <2 x double> %val to <2 x half>
+  store <2 x half> %cvt, <2 x half> addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}global_truncstore_v3f64_to_v3f16:
+; GCN: s_endpgm
+define void @global_truncstore_v3f64_to_v3f16(<3 x half> addrspace(1)* %out, <3 x double> addrspace(1)* %in) #0 {
+  %val = load <3 x double>, <3 x double> addrspace(1)* %in
+  %cvt = fptrunc <3 x double> %val to <3 x half>
+  store <3 x half> %cvt, <3 x half> addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}global_truncstore_v4f64_to_v4f16:
+; GCN: s_endpgm
+define void @global_truncstore_v4f64_to_v4f16(<4 x half> addrspace(1)* %out, <4 x double> addrspace(1)* %in) #0 {
+  %val = load <4 x double>, <4 x double> addrspace(1)* %in
+  %cvt = fptrunc <4 x double> %val to <4 x half>
+  store <4 x half> %cvt, <4 x half> addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}global_truncstore_v8f64_to_v8f16:
+; GCN: s_endpgm
+define void @global_truncstore_v8f64_to_v8f16(<8 x half> addrspace(1)* %out, <8 x double> addrspace(1)* %in) #0 {
+  %val = load <8 x double>, <8 x double> addrspace(1)* %in
+  %cvt = fptrunc <8 x double> %val to <8 x half>
+  store <8 x half> %cvt, <8 x half> addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}global_truncstore_v16f64_to_v16f16:
+; GCN: s_endpgm
+define void @global_truncstore_v16f64_to_v16f16(<16 x half> addrspace(1)* %out, <16 x double> addrspace(1)* %in) #0 {
+  %val = load <16 x double>, <16 x double> addrspace(1)* %in
+  %cvt = fptrunc <16 x double> %val to <16 x half>
+  store <16 x half> %cvt, <16 x half> addrspace(1)* %out
+  ret void
+}