1 ; RUN: opt < %s -analyze -basicaa -da-delinearize -da 2 ; 3 ; CHECK: da analyze - consistent input [S S]! 4 ; CHECK: da analyze - confused! 5 ; CHECK: da analyze - input [* *]! 6 ; 7 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64" 8 target triple = "thumbv7--linux-gnueabi" 9 10 define void @f(i32** %a, i32 %n) align 2 { 11 for.preheader: 12 %t.0 = ashr exact i32 %n, 3 13 br label %for.body.1 14 15 for.body.1: 16 %i.1 = phi i32 [ %t.5, %for.inc ], [ 0, %for.preheader ] 17 %i.2 = phi i32 [ %i.5, %for.inc ], [ %t.0, %for.preheader ] 18 br i1 undef, label %for.inc, label %for.body.2 19 20 for.body.2: 21 %i.3 = phi i32 [ %t.1, %for.body.2 ], [ %i.1, %for.body.1 ] 22 %t.1 = add i32 %i.3, 1 23 %t.2 = load i32*, i32** %a, align 4 24 %t.3 = getelementptr inbounds i32, i32* %t.2, i32 %i.3 25 %t.4 = load i32, i32* %t.3, align 4 26 br i1 undef, label %for.inc, label %for.body.2 27 28 for.inc: 29 %i.4 = phi i32 [ %i.2, %for.body.1 ], [ %i.2, %for.body.2 ] 30 %t.5 = add i32 %i.1, %i.4 31 %i.5 = add i32 %i.2, -1 32 br i1 undef, label %for.exit, label %for.body.1 33 34 for.exit: 35 ret void 36 } 37
