AMDGPU: Fix i128 mul
llvm-svn: 289231
diff --git a/llvm/test/CodeGen/AMDGPU/mul.ll b/llvm/test/CodeGen/AMDGPU/mul.ll
index 5ceef7f..c2fae4c 100644
--- a/llvm/test/CodeGen/AMDGPU/mul.ll
+++ b/llvm/test/CodeGen/AMDGPU/mul.ll
@@ -198,3 +198,74 @@
store i64 %3, i64 addrspace(1)* %out
ret void
}
+
+; FIXME: Load dwordx4
+; FUNC-LABEL: {{^}}s_mul_i128:
+; SI: s_load_dwordx2
+; SI: s_load_dwordx2
+; SI: s_load_dwordx2
+; SI: s_load_dwordx2
+
+; SI: v_mul_hi_u32
+; SI: v_mul_hi_u32
+; SI: s_mul_i32
+; SI: v_mul_hi_u32
+; SI: s_mul_i32
+; SI: s_mul_i32
+; SI: v_mul_hi_u32
+; SI: v_mul_hi_u32
+; SI: s_mul_i32
+; SI-DAG: s_mul_i32
+; SI-DAG: v_mul_hi_u32
+; SI: s_mul_i32
+; SI: s_mul_i32
+; SI: s_mul_i32
+; SI: s_mul_i32
+; SI: s_mul_i32
+
+; SI: buffer_store_dwordx4
+define void @s_mul_i128(i128 addrspace(1)* %out, i128 %a, i128 %b) nounwind #0 {
+ %mul = mul i128 %a, %b
+ store i128 %mul, i128 addrspace(1)* %out
+ ret void
+}
+
+; FUNC-LABEL: {{^}}v_mul_i128:
+; SI: {{buffer|flat}}_load_dwordx4
+; SI: {{buffer|flat}}_load_dwordx4
+
+; SI: v_mul_lo_i32
+; SI: v_mul_hi_u32
+; SI: v_mul_hi_u32
+; SI: v_mul_lo_i32
+; SI: v_mul_hi_u32
+; SI: v_mul_hi_u32
+; SI: v_mul_lo_i32
+; SI: v_mul_lo_i32
+; SI: v_add_i32_e32
+; SI: v_mul_hi_u32
+; SI: v_mul_lo_i32
+; SI: v_mul_hi_u32
+; SI: v_mul_lo_i32
+; SI: v_mul_lo_i32
+; SI: v_mul_lo_i32
+; SI: v_mul_lo_i32
+; SI: v_mul_lo_i32
+
+; SI: {{buffer|flat}}_store_dwordx4
+define void @v_mul_i128(i128 addrspace(1)* %out, i128 addrspace(1)* %aptr, i128 addrspace(1)* %bptr) #0 {
+ %tid = call i32 @llvm.r600.read.tidig.x()
+ %gep.a = getelementptr inbounds i128, i128 addrspace(1)* %aptr, i32 %tid
+ %gep.b = getelementptr inbounds i128, i128 addrspace(1)* %bptr, i32 %tid
+ %gep.out = getelementptr inbounds i128, i128 addrspace(1)* %bptr, i32 %tid
+ %a = load i128, i128 addrspace(1)* %gep.a
+ %b = load i128, i128 addrspace(1)* %gep.b
+ %mul = mul i128 %a, %b
+ store i128 %mul, i128 addrspace(1)* %gep.out
+ ret void
+}
+
+declare i32 @llvm.r600.read.tidig.x() #1
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone}