1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 3*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx10.9.0" 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; LSR shouldn't reuse IV if the resultant offset is not valid for the operand type. 6*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: trunc i32 %.ph to i8 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker%struct.anon = type { i32, i32, i32 } 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker@c = global i32 1, align 4 11*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 12*9880d681SAndroid Build Coastguard Worker@b = common global i32 0, align 4 13*9880d681SAndroid Build Coastguard Worker@a = common global %struct.anon zeroinitializer, align 4 14*9880d681SAndroid Build Coastguard Worker@e = common global %struct.anon zeroinitializer, align 4 15*9880d681SAndroid Build Coastguard Worker@d = common global i32 0, align 4 16*9880d681SAndroid Build Coastguard Worker@f = common global i32 0, align 4 17*9880d681SAndroid Build Coastguard Worker@g = common global i32 0, align 4 18*9880d681SAndroid Build Coastguard Worker@h = common global i32 0, align 4 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind optsize ssp uwtable 21*9880d681SAndroid Build Coastguard Workerdefine i32 @main() #0 { 22*9880d681SAndroid Build Coastguard Workerentry: 23*9880d681SAndroid Build Coastguard Worker %0 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i64 0, i32 0), align 4, !tbaa !1 24*9880d681SAndroid Build Coastguard Worker %tobool7.i = icmp eq i32 %0, 0 25*9880d681SAndroid Build Coastguard Worker %.promoted.i = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i64 0, i32 2), align 4, !tbaa !6 26*9880d681SAndroid Build Coastguard Worker %f.promoted.i = load i32, i32* @f, align 4, !tbaa !7 27*9880d681SAndroid Build Coastguard Worker br label %for.body6.i.outer 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Workerfor.body6.i.outer: ; preds = %entry, %lor.end.i 30*9880d681SAndroid Build Coastguard Worker %.ph = phi i32 [ %add.i, %lor.end.i ], [ 0, %entry ] 31*9880d681SAndroid Build Coastguard Worker %or1512.i.ph = phi i32 [ %or15.i, %lor.end.i ], [ %f.promoted.i, %entry ] 32*9880d681SAndroid Build Coastguard Worker %or1410.i.ph = phi i32 [ %or14.i, %lor.end.i ], [ %.promoted.i, %entry ] 33*9880d681SAndroid Build Coastguard Worker %p.addr.16.i.ph = phi i8 [ %inc10.i, %lor.end.i ], [ -128, %entry ] 34*9880d681SAndroid Build Coastguard Worker br i1 %tobool7.i, label %if.end9.i, label %lbl.loopexit.i 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerlbl.loopexit.i: ; preds = %for.body6.i.outer, %lbl.loopexit.i 37*9880d681SAndroid Build Coastguard Worker br label %lbl.loopexit.i 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Workerif.end9.i: ; preds = %for.body6.i.outer 40*9880d681SAndroid Build Coastguard Worker %inc10.i = add i8 %p.addr.16.i.ph, 1 41*9880d681SAndroid Build Coastguard Worker %tobool12.i = icmp eq i8 %p.addr.16.i.ph, 0 42*9880d681SAndroid Build Coastguard Worker br i1 %tobool12.i, label %lor.rhs.i, label %lor.end.i 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Workerlor.rhs.i: ; preds = %if.end9.i 45*9880d681SAndroid Build Coastguard Worker %1 = load i32, i32* @b, align 4, !tbaa !7 46*9880d681SAndroid Build Coastguard Worker %dec.i = add nsw i32 %1, -1 47*9880d681SAndroid Build Coastguard Worker store i32 %dec.i, i32* @b, align 4, !tbaa !7 48*9880d681SAndroid Build Coastguard Worker %tobool13.i = icmp ne i32 %1, 0 49*9880d681SAndroid Build Coastguard Worker br label %lor.end.i 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Workerlor.end.i: ; preds = %lor.rhs.i, %if.end9.i 52*9880d681SAndroid Build Coastguard Worker %2 = phi i1 [ true, %if.end9.i ], [ %tobool13.i, %lor.rhs.i ] 53*9880d681SAndroid Build Coastguard Worker %lor.ext.i = zext i1 %2 to i32 54*9880d681SAndroid Build Coastguard Worker %or14.i = or i32 %lor.ext.i, %or1410.i.ph 55*9880d681SAndroid Build Coastguard Worker %or15.i = or i32 %or14.i, %or1512.i.ph 56*9880d681SAndroid Build Coastguard Worker %add.i = add nsw i32 %.ph, 2 57*9880d681SAndroid Build Coastguard Worker %cmp.i = icmp slt i32 %add.i, 21 58*9880d681SAndroid Build Coastguard Worker br i1 %cmp.i, label %for.body6.i.outer, label %fn1.exit 59*9880d681SAndroid Build Coastguard Worker 60*9880d681SAndroid Build Coastguard Workerfn1.exit: ; preds = %lor.end.i 61*9880d681SAndroid Build Coastguard Worker store i32 0, i32* @g, align 4, !tbaa !7 62*9880d681SAndroid Build Coastguard Worker store i32 %or14.i, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i64 0, i32 2), align 4, !tbaa !6 63*9880d681SAndroid Build Coastguard Worker store i32 %or15.i, i32* @f, align 4, !tbaa !7 64*9880d681SAndroid Build Coastguard Worker store i32 %add.i, i32* getelementptr inbounds (%struct.anon, %struct.anon* @e, i64 0, i32 1), align 4, !tbaa !8 65*9880d681SAndroid Build Coastguard Worker store i32 0, i32* @h, align 4, !tbaa !7 66*9880d681SAndroid Build Coastguard Worker %3 = load i32, i32* @b, align 4, !tbaa !7 67*9880d681SAndroid Build Coastguard Worker %call1 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %3) #2 68*9880d681SAndroid Build Coastguard Worker ret i32 0 69*9880d681SAndroid Build Coastguard Worker} 70*9880d681SAndroid Build Coastguard Worker 71*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind optsize 72*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8* nocapture readonly, ...) #1 73*9880d681SAndroid Build Coastguard Worker 74*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind optsize ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 75*9880d681SAndroid Build Coastguard Workerattributes #1 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 76*9880d681SAndroid Build Coastguard Workerattributes #2 = { nounwind optsize } 77*9880d681SAndroid Build Coastguard Worker 78*9880d681SAndroid Build Coastguard Worker!llvm.ident = !{!0} 79*9880d681SAndroid Build Coastguard Worker 80*9880d681SAndroid Build Coastguard Worker!0 = !{!"clang version 3.5 "} 81*9880d681SAndroid Build Coastguard Worker!1 = !{!2, !3, i64 0} 82*9880d681SAndroid Build Coastguard Worker!2 = !{!"", !3, i64 0, !3, i64 4, !3, i64 8} 83*9880d681SAndroid Build Coastguard Worker!3 = !{!"int", !4, i64 0} 84*9880d681SAndroid Build Coastguard Worker!4 = !{!"omnipotent char", !5, i64 0} 85*9880d681SAndroid Build Coastguard Worker!5 = !{!"Simple C/C++ TBAA"} 86*9880d681SAndroid Build Coastguard Worker!6 = !{!2, !3, i64 8} 87*9880d681SAndroid Build Coastguard Worker!7 = !{!3, !3, i64 0} 88*9880d681SAndroid Build Coastguard Worker!8 = !{!2, !3, i64 4} 89