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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S < %s | FileCheck %s3; RUN: llvm-as < %s | llvm-dis | FileCheck %s4 5define void @dead_phi() {6; CHECK-LABEL: @dead_phi(7; CHECK-NEXT: entry:8; CHECK-NEXT: ret void9; CHECK: return:10; CHECK-NEXT: [[R:%.*]] = phi i3211; CHECK-NEXT: ret void12;13entry:14 ret void15 16return:17 %r = phi i3218 ret void19}20