1; RUN: opt %loadNPMPolly -passes=polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s 2; 3; Verify the preloaded %tmp0 is stored and communicated in the same alloca. 4; In this case, we do not reload %ncol.load from the scalar stack slot, but 5; instead use directly the preloaded value stored in GlobalMap. 6; 7; CHECK-NOT: alloca 8; CHECK: %tmp0.preload.s2a = alloca i32 9; CHECK-NOT: alloca 10; 11; CHECK: %ncol.load = load i32, ptr @ncol 12; CHECK-NEXT: store i32 %ncol.load, ptr %tmp0.preload.s2a 13; 14target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 15 16@ncol = external global i32, align 4 17 18define void @melt_data(ptr %data1, ptr %data2) { 19entry: 20 br label %entry.split 21 22entry.split: ; preds = %entry 23 %tmp0 = load i32, ptr @ncol, align 4 24 %tobool.2 = icmp eq i32 %tmp0, 0 25 br i1 %tobool.2, label %while.end, label %while.body.lr.ph 26 27while.body.lr.ph: ; preds = %entry.split 28 br label %while.body 29 30while.body: ; preds = %while.body.lr.ph, %while.cond.backedge 31 %dec3.in = phi i32 [ %tmp0, %while.body.lr.ph ], [ %dec3, %while.cond.backedge ] 32 %dec3 = add nsw i32 %dec3.in, -1 33 %idxprom = sext i32 %dec3 to i64 34 %arrayidx = getelementptr inbounds i32, ptr %data1, i64 %idxprom 35 %tmp1 = load i32, ptr %arrayidx, align 4 36 %idxprom1 = sext i32 %dec3 to i64 37 %arrayidx2 = getelementptr inbounds i32, ptr %data2, i64 %idxprom1 38 %tmp2 = load i32, ptr %arrayidx2, align 4 39 %cmp = icmp sgt i32 %tmp1, %tmp2 40 br i1 %cmp, label %if.then, label %while.cond.backedge 41 42if.then: ; preds = %while.body 43 %idxprom3 = sext i32 %dec3 to i64 44 %arrayidx4 = getelementptr inbounds i32, ptr %data2, i64 %idxprom3 45 %tmp3 = load i32, ptr %arrayidx4, align 4 46 %idxprom5 = sext i32 %dec3 to i64 47 %arrayidx6 = getelementptr inbounds i32, ptr %data1, i64 %idxprom5 48 store i32 %tmp3, ptr %arrayidx6, align 4 49 br label %while.cond.backedge 50 51while.cond.backedge: ; preds = %if.then, %while.body 52 %tobool = icmp eq i32 %dec3, 0 53 br i1 %tobool, label %while.cond.while.end_crit_edge, label %while.body 54 55while.cond.while.end_crit_edge: ; preds = %while.cond.backedge 56 br label %while.end 57 58while.end: ; preds = %while.cond.while.end_crit_edge, %entry.split 59 ret void 60} 61