Re-apply r124518 with fix. Watch out for invalidated iterator.
llvm-svn: 124526
diff --git a/llvm/test/Transforms/SimplifyCFG/switch_create.ll b/llvm/test/Transforms/SimplifyCFG/switch_create.ll
index da7f65a..4e199bc 100644
--- a/llvm/test/Transforms/SimplifyCFG/switch_create.ll
+++ b/llvm/test/Transforms/SimplifyCFG/switch_create.ll
@@ -147,7 +147,7 @@
; CHECK: i32 16, label %UnifiedReturnBlock
; CHECK: i32 17, label %UnifiedReturnBlock
; CHECK: i32 18, label %UnifiedReturnBlock
-; CHECK: i32 19, label %switch.edge
+; CHECK: i32 19, label %UnifiedReturnBlock
; CHECK: ]
}
@@ -441,3 +441,29 @@
; CHECK-NOT: switch
; CHECK: ret void
}
+
+; PR8675
+; rdar://5134905
+define zeroext i1 @test16(i32 %x) nounwind {
+entry:
+; CHECK: @test16
+; CHECK: switch i32 %x, label %lor.rhs [
+; CHECK: i32 1, label %lor.end
+; CHECK: i32 2, label %lor.end
+; CHECK: i32 3, label %lor.end
+; CHECK: ]
+ %cmp.i = icmp eq i32 %x, 1
+ br i1 %cmp.i, label %lor.end, label %lor.lhs.false
+
+lor.lhs.false:
+ %cmp.i2 = icmp eq i32 %x, 2
+ br i1 %cmp.i2, label %lor.end, label %lor.rhs
+
+lor.rhs:
+ %cmp.i1 = icmp eq i32 %x, 3
+ br label %lor.end
+
+lor.end:
+ %0 = phi i1 [ true, %lor.lhs.false ], [ true, %entry ], [ %cmp.i1, %lor.rhs ]
+ ret i1 %0
+}