Fix lint assert on integer vector division
llvm-svn: 189290
diff --git a/llvm/test/Analysis/Lint/check-zero-divide.ll b/llvm/test/Analysis/Lint/check-zero-divide.ll
new file mode 100644
index 0000000..f4e79ed
--- /dev/null
+++ b/llvm/test/Analysis/Lint/check-zero-divide.ll
@@ -0,0 +1,78 @@
+; RUN: opt -lint -disable-output %s 2>&1 | FileCheck %s
+
+define <2 x i32> @use_vector_sdiv(<2 x i32> %a) nounwind {
+ %b = sdiv <2 x i32> %a, <i32 5, i32 8>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_srem(<2 x i32> %a) nounwind {
+ %b = srem <2 x i32> %a, <i32 5, i32 8>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_udiv(<2 x i32> %a) nounwind {
+ %b = udiv <2 x i32> %a, <i32 5, i32 8>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_urem(<2 x i32> %a) nounwind {
+ %b = urem <2 x i32> %a, <i32 5, i32 8>
+ ret <2 x i32> %b
+}
+
+define i32 @use_sdiv_by_zero(i32 %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv i32 %a, 0
+ %b = sdiv i32 %a, 0
+ ret i32 %b
+}
+
+define i32 @use_sdiv_by_zeroinitializer(i32 %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv i32 %a, 0
+ %b = sdiv i32 %a, zeroinitializer
+ ret i32 %b
+}
+
+define <2 x i32> @use_vector_sdiv_by_zero_x(<2 x i32> %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 0, i32 5>
+ %b = sdiv <2 x i32> %a, <i32 0, i32 5>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_sdiv_by_zero_y(<2 x i32> %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 4, i32 0>
+ %b = sdiv <2 x i32> %a, <i32 4, i32 0>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_sdiv_by_zero_xy(<2 x i32> %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv <2 x i32> %a, zeroinitializer
+ %b = sdiv <2 x i32> %a, <i32 0, i32 0>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_sdiv_by_undef_x(<2 x i32> %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 undef, i32 5>
+ %b = sdiv <2 x i32> %a, <i32 undef, i32 5>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_sdiv_by_undef_y(<2 x i32> %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 5, i32 undef>
+ %b = sdiv <2 x i32> %a, <i32 5, i32 undef>
+ ret <2 x i32> %b
+}
+
+define <2 x i32> @use_vector_sdiv_by_undef_xy(<2 x i32> %a) nounwind {
+; CHECK: Undefined behavior: Division by zero
+; CHECK-NEXT: %b = sdiv <2 x i32> %a, undef
+ %b = sdiv <2 x i32> %a, <i32 undef, i32 undef>
+ ret <2 x i32> %b
+}
+