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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 22; RUN: opt -loop-reduce -S < %s | FileCheck %s3;4; PR11571: handle a postinc user outside of for.body7 that requires5; recursive expansion of a quadratic recurrence within for.body7. LSR6; needs to forget that for.body7 is a postinc loop during expansion.7 8target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"9target triple = "i386-unknown-freebsd10.0"10 11@b = external global [121 x i32]12 13define void @vb() nounwind {14; CHECK-LABEL: define void @vb15; CHECK-SAME: () #[[ATTR0:[0-9]+]] {16; CHECK-NEXT: for.cond.preheader:17; CHECK-NEXT: br label [[FOR_BODY7:%.*]]18; CHECK: for.body7:19; CHECK-NEXT: [[LSR_IV1:%.*]] = phi ptr [ [[SCEVGEP:%.*]], [[FOR_BODY7]] ], [ getelementptr inbounds nuw (i8, ptr @b, i32 4), [[FOR_COND_PREHEADER:%.*]] ]20; CHECK-NEXT: [[LSR_IV:%.*]] = phi i32 [ [[LSR_IV_NEXT:%.*]], [[FOR_BODY7]] ], [ 8, [[FOR_COND_PREHEADER]] ]21; CHECK-NEXT: [[INDVARS_IV77:%.*]] = phi i32 [ [[INDVARS_IV_NEXT78:%.*]], [[FOR_BODY7]] ], [ 1, [[FOR_COND_PREHEADER]] ]22; CHECK-NEXT: [[INDVARS_IV_NEXT78]] = add i32 [[INDVARS_IV77]], 123; CHECK-NEXT: [[LSR_IV_NEXT]] = add nuw nsw i32 [[LSR_IV]], 424; CHECK-NEXT: [[SCEVGEP]] = getelementptr i8, ptr [[LSR_IV1]], i32 [[LSR_IV]]25; CHECK-NEXT: br i1 true, label [[FOR_BODY43_PREHEADER:%.*]], label [[FOR_BODY7]]26; CHECK: for.body43.preheader:27; CHECK-NEXT: br label [[FOR_BODY43:%.*]]28; CHECK: for.body43:29; CHECK-NEXT: [[LSR_IV2:%.*]] = phi ptr [ [[LSR_IV1]], [[FOR_BODY43_PREHEADER]] ], [ [[SCEVGEP3:%.*]], [[FOR_BODY43]] ]30; CHECK-NEXT: [[T2:%.*]] = load i32, ptr [[LSR_IV2]], align 431; CHECK-NEXT: [[SCEVGEP3]] = getelementptr i8, ptr [[LSR_IV2]], i32 432; CHECK-NEXT: br label [[FOR_BODY43]]33;34for.cond.preheader:35 br label %for.body736 37for.body7:38 %indvars.iv77 = phi i32 [ %indvars.iv.next78, %for.body7 ], [ 1, %for.cond.preheader ]39 %bf.072 = phi i32 [ %t1, %for.body7 ], [ 0, %for.cond.preheader ]40 %t1 = add i32 %bf.072, %indvars.iv7741 %indvars.iv.next78 = add i32 %indvars.iv77, 142 br i1 true, label %for.body43, label %for.body743 44for.body43:45 %bf.459 = phi i32 [ %inc44, %for.body43 ], [ %t1, %for.body7 ]46 %inc44 = add nsw i32 %bf.459, 147 %arrayidx45 = getelementptr inbounds [121 x i32], ptr @b, i32 0, i32 %bf.45948 %t2 = load i32, ptr %arrayidx45, align 449 br label %for.body4350}51 52