1*9880d681SAndroid Build Coastguard Worker; RUN: opt -indvars -loop-idiom -loop-deletion -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 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 Worker; Checking for a crash 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @f(i32* %a) { 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f( 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker br label %for.cond 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerfor.cond: ; preds = %for.inc, %for.cond, %entry 14*9880d681SAndroid Build Coastguard Worker %iv = phi i32 [ 0, %entry ], [ %add, %for.inc ], [ %iv, %for.cond ] 15*9880d681SAndroid Build Coastguard Worker %add = add nsw i32 %iv, 1 16*9880d681SAndroid Build Coastguard Worker %idxprom = sext i32 %add to i64 17*9880d681SAndroid Build Coastguard Worker %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom 18*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.cond, label %for.inc 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerfor.inc: ; preds = %for.cond 21*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.cond, label %for.end 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Workerfor.end: ; preds = %for.inc 24*9880d681SAndroid Build Coastguard Worker ret void 25*9880d681SAndroid Build Coastguard Worker} 26