Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Transforms/Inline/gvn-inline-iteration.ll

@@ -0,0 +1,23 @@
+; RUN: opt -basicaa -inline -gvn -S -max-cg-scc-iterations=1 < %s | FileCheck %s
+; rdar://6295824 and PR6724
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-apple-darwin10.0.0"
+
+define i32 @foo(i32 ()** noalias nocapture %p, i64* noalias nocapture %q) nounwind ssp {
+entry:
+  store i32 ()* @bar, i32 ()** %p
+  store i64 0, i64* %q
+  %tmp3 = load i32 ()*, i32 ()** %p                        ; <i32 ()*> [#uses=1]
+  %call = tail call i32 %tmp3() nounwind          ; <i32> [#uses=1]
+  ret i32 %call
+}
+; CHECK-LABEL: @foo(
+; CHECK: ret i32 7
+; CHECK-LABEL: @bar(
+; CHECK: ret i32 7
+
+define internal i32 @bar() nounwind readnone ssp {
+entry:
+  ret i32 7
+}