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