reapply 86289, 86278, 86270, 86267, 86266 & 86264 plus a fix
(making pred factoring only happen if threading is guaranteed
to be successful).
This now survives an X86-64 bootstrap of llvm-gcc.
llvm-svn: 86355
diff --git a/llvm/test/Transforms/JumpThreading/crash.ll b/llvm/test/Transforms/JumpThreading/crash.ll
index 862b403..7e2a2a0 100644
--- a/llvm/test/Transforms/JumpThreading/crash.ll
+++ b/llvm/test/Transforms/JumpThreading/crash.ll
@@ -170,3 +170,25 @@
ret i32 1
}
+
+define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp {
+entry:
+ br i1 %tmp, label %bb12, label %bb13
+
+
+bb12:
+ br label %bb13
+
+bb13:
+ %.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ]
+ %A = and i1 undef, undef
+ br i1 %A, label %bb15, label %bb61
+
+bb15:
+ ret void
+
+
+bb61:
+ ret void
+}
+