1 files changed, 87 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/max.i16.ll b/llvm/test/CodeGen/AMDGPU/max.i16.ll
new file mode 100644
index 00000000000..0b0e026c5fa
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/max.i16.ll
@@ -0,0 +1,87 @@
+; RUN: llc < %s -march=amdgcn -mcpu=fiji -verify-machineinstrs | FileCheck -check-prefix=GCN -check-prefix=VI %s
+
+
+declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+
+; FIXME: Need to handle non-uniform case for function below (load without gep).
+; GCN-LABEL: {{^}}v_test_imax_sge_i16:
+; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+define void @v_test_imax_sge_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %aptr, i16 addrspace(1)* %bptr) nounwind {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+  %gep0 = getelementptr i16, i16 addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr i16, i16 addrspace(1)* %bptr, i32 %tid
+  %outgep = getelementptr i16, i16 addrspace(1)* %out, i32 %tid
+  %a = load i16, i16 addrspace(1)* %gep0, align 4
+  %b = load i16, i16 addrspace(1)* %gep1, align 4
+  %cmp = icmp sge i16 %a, %b
+  %val = select i1 %cmp, i16 %a, i16 %b
+  store i16 %val, i16 addrspace(1)* %outgep, align 4
+  ret void
+}
+
+; FIXME: Need to handle non-uniform case for function below (load without gep).
+; GCN-LABEL: {{^}}v_test_imax_sge_v4i16:
+; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+define void @v_test_imax_sge_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> addrspace(1)* %aptr, <4 x i16> addrspace(1)* %bptr) nounwind {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+  %gep0 = getelementptr <4 x i16>, <4 x i16> addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr <4 x i16>, <4 x i16> addrspace(1)* %bptr, i32 %tid
+  %outgep = getelementptr <4 x i16>, <4 x i16> addrspace(1)* %out, i32 %tid
+  %a = load <4 x i16>, <4 x i16> addrspace(1)* %gep0, align 4
+  %b = load <4 x i16>, <4 x i16> addrspace(1)* %gep1, align 4
+  %cmp = icmp sge <4 x i16> %a, %b
+  %val = select <4 x i1> %cmp, <4 x i16> %a, <4 x i16> %b
+  store <4 x i16> %val, <4 x i16> addrspace(1)* %outgep, align 4
+  ret void
+}
+
+; FIXME: Need to handle non-uniform case for function below (load without gep).
+; GCN-LABEL: {{^}}v_test_imax_sgt_i16:
+; VI: v_max_i16_e32
+define void @v_test_imax_sgt_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %aptr, i16 addrspace(1)* %bptr) nounwind {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+  %gep0 = getelementptr i16, i16 addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr i16, i16 addrspace(1)* %bptr, i32 %tid
+  %outgep = getelementptr i16, i16 addrspace(1)* %out, i32 %tid
+  %a = load i16, i16 addrspace(1)* %gep0, align 4
+  %b = load i16, i16 addrspace(1)* %gep1, align 4
+  %cmp = icmp sgt i16 %a, %b
+  %val = select i1 %cmp, i16 %a, i16 %b
+  store i16 %val, i16 addrspace(1)* %outgep, align 4
+  ret void
+}
+
+; FIXME: Need to handle non-uniform case for function below (load without gep).
+; GCN-LABEL: {{^}}v_test_umax_uge_i16:
+; VI: v_max_u16_e32
+define void @v_test_umax_uge_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %aptr, i16 addrspace(1)* %bptr) nounwind {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+  %gep0 = getelementptr i16, i16 addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr i16, i16 addrspace(1)* %bptr, i32 %tid
+  %outgep = getelementptr i16, i16 addrspace(1)* %out, i32 %tid
+  %a = load i16, i16 addrspace(1)* %gep0, align 4
+  %b = load i16, i16 addrspace(1)* %gep1, align 4
+  %cmp = icmp uge i16 %a, %b
+  %val = select i1 %cmp, i16 %a, i16 %b
+  store i16 %val, i16 addrspace(1)* %outgep, align 4
+  ret void
+}
+
+; FIXME: Need to handle non-uniform case for function below (load without gep).
+; GCN-LABEL: {{^}}v_test_umax_ugt_i16:
+; VI: v_max_u16_e32
+define void @v_test_umax_ugt_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %aptr, i16 addrspace(1)* %bptr) nounwind {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+  %gep0 = getelementptr i16, i16 addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr i16, i16 addrspace(1)* %bptr, i32 %tid
+  %outgep = getelementptr i16, i16 addrspace(1)* %out, i32 %tid
+  %a = load i16, i16 addrspace(1)* %gep0, align 4
+  %b = load i16, i16 addrspace(1)* %gep1, align 4
+  %cmp = icmp ugt i16 %a, %b
+  %val = select i1 %cmp, i16 %a, i16 %b
+  store i16 %val, i16 addrspace(1)* %outgep, align 4
+  ret void
+}