1 ; RUN: opt < %s -loop-reduce -S | FileCheck %s 2 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 3 target 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 21 define i32 @main() #0 { 22 entry: 23 %0 = load i32* getelementptr inbounds (%struct.anon* @a, i64 0, i32 0), align 4, !tbaa !1 24 %tobool7.i = icmp eq i32 %0, 0 25 %.promoted.i = load i32* getelementptr inbounds (%struct.anon* @a, i64 0, i32 2), align 4, !tbaa !6 26 %f.promoted.i = load i32* @f, align 4, !tbaa !7 27 br label %for.body6.i.outer 28 29 for.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 36 lbl.loopexit.i: ; preds = %for.body6.i.outer, %lbl.loopexit.i 37 br label %lbl.loopexit.i 38 39 if.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 44 lor.rhs.i: ; preds = %if.end9.i 45 %1 = load 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 51 lor.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 60 fn1.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* @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* @e, i64 0, i32 1), align 4, !tbaa !8 65 store i32 0, i32* @h, align 4, !tbaa !7 66 %3 = load i32* @b, align 4, !tbaa !7 67 %call1 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32 %3) #2 68 ret i32 0 69 } 70 71 ; Function Attrs: nounwind optsize 72 declare i32 @printf(i8* nocapture readonly, ...) #1 73 74 attributes #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 attributes #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 attributes #2 = { nounwind optsize } 77 78 !llvm.ident = !{!0} 79 80 !0 = metadata !{metadata !"clang version 3.5 "} 81 !1 = metadata !{metadata !2, metadata !3, i64 0} 82 !2 = metadata !{metadata !"", metadata !3, i64 0, metadata !3, i64 4, metadata !3, i64 8} 83 !3 = metadata !{metadata !"int", metadata !4, i64 0} 84 !4 = metadata !{metadata !"omnipotent char", metadata !5, i64 0} 85 !5 = metadata !{metadata !"Simple C/C++ TBAA"} 86 !6 = metadata !{metadata !2, metadata !3, i64 8} 87 !7 = metadata !{metadata !3, metadata !3, i64 0} 88 !8 = metadata !{metadata !2, metadata !3, i64 4} 89
