1 ; RUN: opt -codegenprepare -S < %s | FileCheck %s 2 ; CHECK: for.body.preheader 3 4 @N = common global i32 0, align 4 5 @E = common global i8** null, align 8 6 @B = common global i8** null, align 8 7 8 ; Function Attrs: nounwind 9 define i32 @foo() { 10 entry: 11 %0 = load i32, i32* @N, align 4 12 %1 = load i8**, i8*** @E, align 8 13 %2 = load i8**, i8*** @B, align 8 14 %cmp7 = icmp eq i8** %2, %1 15 br i1 %cmp7, label %for.cond.cleanup, label %for.body.preheader 16 17 for.body.preheader: ; preds = %entry 18 br label %for.body 19 20 for.cond.cleanup.loopexit: ; preds = %for.body 21 %add.lcssa = phi i32 [ %add, %for.body ] 22 br label %for.cond.cleanup 23 24 for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry 25 %n.0.lcssa = phi i32 [ %0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ] 26 ret i32 %n.0.lcssa 27 28 for.body: ; preds = %for.body.preheader, %for.body 29 %I.09 = phi i8** [ %incdec.ptr, %for.body ], [ %2, %for.body.preheader ] 30 %n.08 = phi i32 [ %add, %for.body ], [ %0, %for.body.preheader ] 31 %3 = load i8*, i8** %I.09, align 8 32 %call = tail call i32 @map(i8* %3) 33 %add = add nsw i32 %call, %n.08 34 %incdec.ptr = getelementptr inbounds i8*, i8** %I.09, i64 1 35 %cmp = icmp eq i8** %incdec.ptr, %1 36 br i1 %cmp, label %for.cond.cleanup.loopexit, label %for.body 37 } 38 39 declare i32 @map(i8*) 40
