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1; REQUIRES: asserts2; RUN: llc -mtriple=arm64-unknown-linux-gnu -debug-only=tailduplication %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=LINUX3; RUN: llc -mtriple=arm64-apple-darwin -debug-only=tailduplication %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=DARWIN4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"6 7@g = common local_unnamed_addr global i32 0, align 48@f = common local_unnamed_addr global i32 0, align 49@a = common local_unnamed_addr global i32 0, align 410@m = common local_unnamed_addr global i32 0, align 411@l = common local_unnamed_addr global i32 0, align 412@j = common local_unnamed_addr global i32 0, align 413@k = common local_unnamed_addr global i32 0, align 414@i = common local_unnamed_addr global i32 0, align 415@d = common local_unnamed_addr global i32 0, align 416@c = common local_unnamed_addr global i32 0, align 417@e = common local_unnamed_addr global i32 0, align 418@h = common local_unnamed_addr global i32 0, align 419 20; Function Attrs: norecurse nounwind uwtable21define void @n(i32 %o, ptr nocapture readonly %b) local_unnamed_addr #0 {22entry:23 %0 = load i32, ptr @g, align 4, !tbaa !224 %tobool = icmp eq i32 %0, 025 br i1 %tobool, label %entry.if.end_crit_edge, label %if.then26 27entry.if.end_crit_edge: ; preds = %entry28 %.pre = load i32, ptr @f, align 4, !tbaa !229 br label %if.end30 31if.then: ; preds = %entry32 store i32 0, ptr @f, align 4, !tbaa !233 br label %if.end34 35; DARWIN: Merging into block36; LINUX: Merging into block37 38if.end: ; preds = %entry.if.end_crit_edge, %if.then39 %1 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ 0, %if.then ]40 %cmp6 = icmp slt i32 %1, %o41 br i1 %cmp6, label %for.body.lr.ph, label %for.end42 43for.body.lr.ph: ; preds = %if.end44 %.pre7 = load i32, ptr @a, align 4, !tbaa !245 %.pre8 = load i32, ptr @l, align 4, !tbaa !246 %.pre9 = load i32, ptr @j, align 4, !tbaa !247 %.pre10 = load i32, ptr @k, align 4, !tbaa !248 %.pre11 = load i32, ptr @i, align 4, !tbaa !249 br label %for.body50 51for.body: ; preds = %if.end5, %for.body.lr.ph52 %2 = phi i32 [ %.pre11, %for.body.lr.ph ], [ %7, %if.end5 ]53 %3 = phi i32 [ %.pre10, %for.body.lr.ph ], [ %8, %if.end5 ]54 %4 = phi i32 [ %.pre9, %for.body.lr.ph ], [ %9, %if.end5 ]55 %5 = phi i32 [ %1, %for.body.lr.ph ], [ %inc, %if.end5 ]56 store i32 %.pre7, ptr @m, align 4, !tbaa !257 %mul = mul nsw i32 %3, %458 %cmp1 = icmp sgt i32 %.pre8, %mul59 %conv = zext i1 %cmp1 to i3260 %cmp2 = icmp slt i32 %2, %conv61 br i1 %cmp2, label %if.then4, label %if.end562 63if.then4: ; preds = %for.body64 %6 = load i32, ptr @d, align 4, !tbaa !265 store i32 %6, ptr @k, align 4, !tbaa !266 store i32 %6, ptr @i, align 4, !tbaa !267 store i32 %6, ptr @j, align 4, !tbaa !268 br label %if.end569 70if.end5: ; preds = %if.then4, %for.body71 %7 = phi i32 [ %6, %if.then4 ], [ %2, %for.body ]72 %8 = phi i32 [ %6, %if.then4 ], [ %3, %for.body ]73 %9 = phi i32 [ %6, %if.then4 ], [ %4, %for.body ]74 %10 = load i32, ptr @c, align 4, !tbaa !275 %idxprom = sext i32 %10 to i6476 %arrayidx = getelementptr inbounds i32, ptr %b, i64 %idxprom77 %11 = load i32, ptr %arrayidx, align 4, !tbaa !278 %12 = load i32, ptr @e, align 4, !tbaa !279 %sub = sub nsw i32 %11, %1280 store i32 %sub, ptr @h, align 4, !tbaa !281 %inc = add nsw i32 %5, 182 store i32 %inc, ptr @f, align 4, !tbaa !283 %exitcond = icmp eq i32 %inc, %o84 br i1 %exitcond, label %for.end, label %for.body85 86for.end: ; preds = %if.end5, %if.end87 ret void88}89 90attributes #0 = { norecurse nounwind uwtable }91 92!2 = !{!3, !3, i64 0}93!3 = !{!"int", !4, i64 0}94!4 = !{}95