Only access both operands of an INSERT_SUBVECTOR if it is an INSERT_SUBVECTOR.
Fixes PR10527.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136853 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/crash.ll b/test/CodeGen/X86/crash.ll
index db1e999..6f4bf6d 100644
--- a/test/CodeGen/X86/crash.ll
+++ b/test/CodeGen/X86/crash.ll
@@ -341,3 +341,26 @@
br label %CF77
}
+; PR10527
+define void @pr10527() nounwind uwtable {
+entry:
+ br label %"4"
+
+"3":
+ %0 = load <2 x i32>* null, align 8
+ %1 = xor <2 x i32> zeroinitializer, %0
+ %2 = and <2 x i32> %1, %6
+ %3 = or <2 x i32> undef, %2
+ %4 = and <2 x i32> %3, undef
+ store <2 x i32> %4, <2 x i32>* undef
+ %5 = load <2 x i32>* undef, align 1
+ br label %"4"
+
+"4":
+ %6 = phi <2 x i32> [ %5, %"3" ], [ zeroinitializer, %entry ]
+ %7 = icmp ult i32 undef, undef
+ br i1 %7, label %"3", label %"5"
+
+"5":
+ ret void
+}