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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -gvn -S | FileCheck %s
3
4define i1 @foo() {
5; CHECK-LABEL: @foo(
6; CHECK-NEXT:    call void @llvm.assume(i1 undef)
7; CHECK-NEXT:    ret i1 undef
8;
9  call void @llvm.assume(i1 undef)
10  ret i1 undef
11}
12
13declare void @llvm.assume(i1)
14