1 ; RUN: opt -instcombine -S < %s | FileCheck %s 2 3 define i32 @test(i32 %x) { 4 ; CHECK-LABEL: @test 5 entry: 6 ; CHECK-NOT: icmp 7 ; CHECK: br i1 undef, 8 %cmp = icmp ult i32 %x, 7 9 br i1 %cmp, label %merge, label %merge 10 merge: 11 ; CHECK-LABEL: merge: 12 ; CHECK: ret i32 %x 13 ret i32 %x 14 } 15 16 17