BPF: emit an error message for unsupported signed division operation
Signed-off-by: Yonghong Song <yhs@plumgrid.com>
Signed-off-by: Alexei Starovoitov <ast@fb.com>
llvm-svn: 263842
diff --git a/llvm/test/CodeGen/BPF/sdiv_error.ll b/llvm/test/CodeGen/BPF/sdiv_error.ll
new file mode 100644
index 0000000..053b82d
--- /dev/null
+++ b/llvm/test/CodeGen/BPF/sdiv_error.ll
@@ -0,0 +1,9 @@
+; RUN: not llc -march=bpf < %s 2> %t1
+; RUN: FileCheck %s < %t1
+; CHECK: Unsupport signed division
+
+; Function Attrs: norecurse nounwind readnone
+define i32 @test(i32 %len) #0 {
+ %1 = srem i32 %len, 15
+ ret i32 %1
+}