1 ; RUN: opt %loadPolly -S -polly-codegen \
2 ; RUN: -polly-invariant-load-hoisting=false < %s | FileCheck %s
3 ; RUN: opt %loadPolly -S -polly-codegen \
4 ; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
6 ; Check that we generate valid code even if the load of cont_STACKPOINTER is
7 ; hoisted in one SCoP and used (through the phi node %tmp2).
12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
14 %struct1 = type { i32, %union1, ptr, i32, i32 }
15 %union1 = type { ptr }
16 %struct.2 = type { ptr, ptr }
18 @cont_STACKPOINTER = external global i32, align 4
19 @cont_STACK = external global [1000 x i32], align 16
21 define fastcc void @subs_InternIdcEq() {
25 if.else.i.i: ; preds = %entry
26 %tmp = load ptr, ptr undef, align 8
27 br label %while.body.i99.i.i
29 while.body.i99.i.i: ; preds = %while.body.i99.i.i, %if.else.i.i
30 br i1 false, label %while.body.i99.i.i, label %while.end.i103.i.i
32 while.end.i103.i.i: ; preds = %while.body.i99.i.i
33 %tmp1 = load i32, ptr @cont_STACKPOINTER, align 4
34 %dec.i.i102.i.i = add nsw i32 %tmp1, -1
35 br i1 false, label %cont_BackTrack.exit107.i.i, label %if.then.i106.i.i
37 if.then.i106.i.i: ; preds = %while.end.i103.i.i
38 br label %cont_BackTrack.exit107.i.i
40 cont_BackTrack.exit107.i.i: ; preds = %if.then.i106.i.i, %while.end.i103.i.i
41 %tmp2 = phi i32 [ %dec.i.i102.i.i, %if.then.i106.i.i ], [ 0, %while.end.i103.i.i ]
42 br i1 undef, label %land.lhs.true23.i.i, label %for.inc.i.i
44 land.lhs.true23.i.i: ; preds = %cont_BackTrack.exit107.i.i
45 %idxprom.i.i57.i.i = sext i32 %tmp2 to i64
46 %arrayidx.i.i58.i.i = getelementptr inbounds [1000 x i32], ptr @cont_STACK, i64 0, i64 %idxprom.i.i57.i.i
47 store i32 undef, ptr %arrayidx.i.i58.i.i, align 4
48 br i1 false, label %if.then.i45.i.i, label %fol_Atom.exit47.i.i
50 if.then.i45.i.i: ; preds = %land.lhs.true23.i.i
51 br label %fol_Atom.exit47.i.i
53 fol_Atom.exit47.i.i: ; preds = %if.then.i45.i.i, %land.lhs.true23.i.i
56 for.inc.i.i: ; preds = %cont_BackTrack.exit107.i.i
59 for.end.i.i: ; preds = %for.inc.i.i