Add a testcase for PR8582, which mysteriously fixed itself, in case the problem

comes back some day.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122982 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Generic/2011-01-06-BigNumberCrash.ll b/test/CodeGen/Generic/2011-01-06-BigNumberCrash.ll
new file mode 100644 (file)
index 0000000..05fdf4c
--- /dev/null
+++ b/test/CodeGen/Generic/2011-01-06-BigNumberCrash.ll
@@ -0,0 +1,15 @@
+; RUN: llc < %s
+; PR8582
+
+define void @uint82() nounwind {
+entry:
+  %tmp3 = select i1 undef, i960 4872657003430991806293355221650511486142000513558154090491761976385142772940676648094983476628187266917101386048750715027104076737938178423519545241493072038894065019132638919037781494702597609951702322267198307200588774905587225212622510286498675097141625012190497682454879271766334636032, i960 0
+  br i1 undef, label %for.body25.for.body25_crit_edge, label %if.end
+
+for.body25.for.body25_crit_edge:                  ; preds = %entry
+  %ins = or i960 %tmp3, undef
+  ret void
+
+if.end:                                           ; preds = %entry
+  ret void
+}