; RUN: opt %loadPolly -S -polly-codegen \ ; RUN: -polly-invariant-load-hoisting=false < %s | FileCheck %s ; RUN: opt %loadPolly -S -polly-codegen \ ; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s ; ; Check that we generate valid code even if the load of cont_STACKPOINTER is ; hoisted in one SCoP and used (through the phi node %tmp2). ; ; CHECK: polly.start ; CHECK: polly.start ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" %struct1 = type { i32, %union1, %struct.2*, i32, i32 } %union1 = type { %struct.2* } %struct.2 = type { %struct.2*, i8* } @cont_STACKPOINTER = external global i32, align 4 @cont_STACK = external global [1000 x i32], align 16 define fastcc void @subs_InternIdcEq() { entry: br label %if.else.i.i if.else.i.i: ; preds = %entry %tmp = load %struct1*, %struct1** undef, align 8 br label %while.body.i99.i.i while.body.i99.i.i: ; preds = %while.body.i99.i.i, %if.else.i.i br i1 false, label %while.body.i99.i.i, label %while.end.i103.i.i while.end.i103.i.i: ; preds = %while.body.i99.i.i %tmp1 = load i32, i32* @cont_STACKPOINTER, align 4 %dec.i.i102.i.i = add nsw i32 %tmp1, -1 br i1 false, label %cont_BackTrack.exit107.i.i, label %if.then.i106.i.i if.then.i106.i.i: ; preds = %while.end.i103.i.i br label %cont_BackTrack.exit107.i.i cont_BackTrack.exit107.i.i: ; preds = %if.then.i106.i.i, %while.end.i103.i.i %tmp2 = phi i32 [ %dec.i.i102.i.i, %if.then.i106.i.i ], [ 0, %while.end.i103.i.i ] %symbol.i.i.i = getelementptr inbounds %struct1, %struct1* %tmp, i64 0, i32 0 br i1 undef, label %land.lhs.true23.i.i, label %for.inc.i.i land.lhs.true23.i.i: ; preds = %cont_BackTrack.exit107.i.i %idxprom.i.i57.i.i = sext i32 %tmp2 to i64 %arrayidx.i.i58.i.i = getelementptr inbounds [1000 x i32], [1000 x i32]* @cont_STACK, i64 0, i64 %idxprom.i.i57.i.i store i32 undef, i32* %arrayidx.i.i58.i.i, align 4 br i1 false, label %if.then.i45.i.i, label %fol_Atom.exit47.i.i if.then.i45.i.i: ; preds = %land.lhs.true23.i.i br label %fol_Atom.exit47.i.i fol_Atom.exit47.i.i: ; preds = %if.then.i45.i.i, %land.lhs.true23.i.i unreachable for.inc.i.i: ; preds = %cont_BackTrack.exit107.i.i br label %for.end.i.i for.end.i.i: ; preds = %for.inc.i.i ret void }