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 5; 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). 8; 9; CHECK: polly.start 10; CHECK: polly.start 11; 12target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 13 14%struct1 = type { i32, %union1, %struct.2*, i32, i32 } 15%union1 = type { %struct.2* } 16%struct.2 = type { %struct.2*, i8* } 17 18@cont_STACKPOINTER = external global i32, align 4 19@cont_STACK = external global [1000 x i32], align 16 20 21define fastcc void @subs_InternIdcEq() { 22entry: 23 br label %if.else.i.i 24 25if.else.i.i: ; preds = %entry 26 %tmp = load %struct1*, %struct1** undef, align 8 27 br label %while.body.i99.i.i 28 29while.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 31 32while.end.i103.i.i: ; preds = %while.body.i99.i.i 33 %tmp1 = load i32, i32* @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 36 37if.then.i106.i.i: ; preds = %while.end.i103.i.i 38 br label %cont_BackTrack.exit107.i.i 39 40cont_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 %symbol.i.i.i = getelementptr inbounds %struct1, %struct1* %tmp, i64 0, i32 0 43 br i1 undef, label %land.lhs.true23.i.i, label %for.inc.i.i 44 45land.lhs.true23.i.i: ; preds = %cont_BackTrack.exit107.i.i 46 %idxprom.i.i57.i.i = sext i32 %tmp2 to i64 47 %arrayidx.i.i58.i.i = getelementptr inbounds [1000 x i32], [1000 x i32]* @cont_STACK, i64 0, i64 %idxprom.i.i57.i.i 48 store i32 undef, i32* %arrayidx.i.i58.i.i, align 4 49 br i1 false, label %if.then.i45.i.i, label %fol_Atom.exit47.i.i 50 51if.then.i45.i.i: ; preds = %land.lhs.true23.i.i 52 br label %fol_Atom.exit47.i.i 53 54fol_Atom.exit47.i.i: ; preds = %if.then.i45.i.i, %land.lhs.true23.i.i 55 unreachable 56 57for.inc.i.i: ; preds = %cont_BackTrack.exit107.i.i 58 br label %for.end.i.i 59 60for.end.i.i: ; preds = %for.inc.i.i 61 ret void 62} 63