Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/NewGVN/pr33014.ll

@@ -1,54 +0,0 @@
-; Make sure we don't end up in an infinite recursion in singleReachablePHIPath().
-; REQUIRES: asserts
-; RUN: opt -newgvn -S %s | FileCheck %s
-
-@c = external global i64, align 8
-
-; CHECK-LABEL: define void @tinkywinky() {
-; CHECK: entry:
-; CHECK-NEXT:   br i1 undef, label %l2, label %if.then
-; CHECK: if.then:                                          ; preds = %entry
-; CHECK-NEXT:   br label %for.body
-; CHECK: ph:                                               ; preds = %back, %ontrue
-; CHECK-NEXT:   br label %for.body
-; CHECK: for.body:                                         ; preds = %ph, %if.then
-; CHECK-NEXT:   br i1 undef, label %ontrue, label %onfalse
-; CHECK: onfalse:                                          ; preds = %for.body
-; CHECK-NEXT:   %patatino = load i64, i64* @c
-; CHECK-NEXT:   ret void
-; CHECK: ontrue:                                           ; preds = %for.body
-; CHECK-NEXT:   %dipsy = load i64, i64* @c
-; CHECK-NEXT:   br label %ph
-; CHECK: back:                                             ; preds = %l2
-; CHECK-NEXT:   store i8 undef, i8* null
-; CHECK-NEXT:   br label %ph
-; CHECK: end:                                              ; preds = %l2
-; CHECK-NEXT:   ret void
-; CHECK: l2:                                               ; preds = %entry
-; CHECK-NEXT:   br i1 false, label %back, label %end
-; CHECK-NEXT: }
-
-define void @tinkywinky() {
-entry:
-  br i1 undef, label %l2, label %if.then
-if.then:
-  br label %for.body
-ph:
-  br label %for.body
-for.body:
-  br i1 undef, label %ontrue, label %onfalse
-onfalse:
-  %patatino = load i64, i64* @c
-  store i64 %patatino, i64* @c
-  ret void
-ontrue:
-  %dipsy = load i64, i64* @c
-  store i64 %dipsy, i64* @c
-  br label %ph
-back:
-  br label %ph
-end:
-  ret void
-l2:
-  br i1 false, label %back, label %end
-}