1*9880d681SAndroid Build Coastguard Worker; do not replace a 'select' with 'or' in 'select - cmp - br' sequence 2*9880d681SAndroid Build Coastguard Worker; RUN: opt -instcombine -S < %s | FileCheck %s 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdeclare void @f(i32) 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @test(i32 %len) { 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker %cmp = icmp ult i32 %len, 8 11*9880d681SAndroid Build Coastguard Worker %cond = select i1 %cmp, i32 %len, i32 8 12*9880d681SAndroid Build Coastguard Worker %cmp11 = icmp ult i32 0, %cond 13*9880d681SAndroid Build Coastguard Worker br i1 %cmp11, label %for.body, label %for.end 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerfor.body: ; preds = %entry, %for.body 16*9880d681SAndroid Build Coastguard Worker %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ] 17*9880d681SAndroid Build Coastguard Worker tail call void @f(i32 %cond) 18*9880d681SAndroid Build Coastguard Worker %inc = add i32 %i.02, 1 19*9880d681SAndroid Build Coastguard Worker %cmp1 = icmp ult i32 %inc, %cond 20*9880d681SAndroid Build Coastguard Worker br i1 %cmp1, label %for.body, label %for.end 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerfor.end: ; preds = %for.body, %entry 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Worker; CHECK: select 25*9880d681SAndroid Build Coastguard Worker} 26