| ; RUN: llc -verify-machineinstrs -mtriple=s390x-ibm-linux -mcpu=z13 -O3 -hoist-const-stores < %s | FileCheck %s |
| |
| @b = dso_local local_unnamed_addr global i32 15, align 4 |
| @e = dso_local local_unnamed_addr global i32 -1, align 4 |
| @f = common dso_local global i32 0, align 4 |
| @g = dso_local local_unnamed_addr global i32* @f, align 8 |
| @c = common dso_local local_unnamed_addr global i32 0, align 4 |
| @a = common dso_local local_unnamed_addr global [6 x i32] zeroinitializer, align 4 |
| @d = common dso_local local_unnamed_addr global i32 0, align 4 |
| @h = common dso_local local_unnamed_addr global i32 0, align 4 |
| @.str = private unnamed_addr constant [15 x i8] c"checksum = %X\0A\00", align 2 |
| |
| ; Function Attrs: nounwind |
| define dso_local signext i32 @main() { |
| entry: |
| %i = alloca i32, align 4 |
| %.pr = load i32, i32* @c, align 4, !tbaa !2 |
| %cmp6 = icmp slt i32 %.pr, 6 |
| br i1 %cmp6, label %for.body.preheader, label %for.end |
| |
| for.body.preheader: ; preds = %entry |
| store i32 5, i32* getelementptr inbounds ([6 x i32], [6 x i32]* @a, i64 0, i64 1), align 4, !tbaa !2 |
| store i32 6, i32* @c, align 4, !tbaa !2 |
| br label %for.end |
| |
| for.end: ; preds = %for.body.preheader, %entry |
| %0 = bitcast i32* %i to i8* |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0) |
| store i32 14, i32* %i, align 4, !tbaa !2 |
| %.pr2 = load i32, i32* @d, align 4, !tbaa !2 |
| %cmp25 = icmp sgt i32 %.pr2, -1 |
| br i1 %cmp25, label %for.cond4thread-pre-split.lr.ph, label %for.end.for.end11_crit_edge |
| |
| for.end.for.end11_crit_edge: ; preds = %for.end |
| %.pre10 = load i32, i32* @b, align 4, !tbaa !2 |
| br label %for.end11 |
| |
| ; CHECK: # %for.cond4thread-pre-split.lr.ph |
| ; CHECK-NOT: mvhi 164(%r15), 0 |
| ; CHECK: # %for.end9 |
| ; CHECK: mvhi 164(%r15), 0 |
| |
| for.cond4thread-pre-split.lr.ph: ; preds = %for.end |
| %1 = ptrtoint i32* %i to i64 |
| %2 = trunc i64 %1 to i32 |
| %3 = load i32*, i32** @g, align 8 |
| %.pr3.pre = load i32, i32* @e, align 4, !tbaa !2 |
| br label %for.cond4thread-pre-split |
| |
| for.cond4thread-pre-split: ; preds = %for.cond4thread-pre-split.lr.ph, %for.end9 |
| %4 = phi i32 [ %.pr2, %for.cond4thread-pre-split.lr.ph ], [ %dec, %for.end9 ] |
| %5 = phi i32 [ 14, %for.cond4thread-pre-split.lr.ph ], [ 0, %for.end9 ] |
| %.pr3 = phi i32 [ %.pr3.pre, %for.cond4thread-pre-split.lr.ph ], [ %.pr37, %for.end9 ] |
| %cmp54 = icmp slt i32 %.pr3, 1 |
| br i1 %cmp54, label %for.body6.preheader, label %for.end9 |
| |
| for.body6.preheader: ; preds = %for.cond4thread-pre-split |
| store i32 %5, i32* %3, align 4, !tbaa !2 |
| %6 = load i32, i32* @e, align 4, !tbaa !2 |
| %inc811 = add nsw i32 %6, 1 |
| store i32 %inc811, i32* @e, align 4, !tbaa !2 |
| %cmp512 = icmp slt i32 %6, 0 |
| br i1 %cmp512, label %for.body6.for.body6_crit_edge, label %for.end9.loopexit |
| |
| for.body6.for.body6_crit_edge: ; preds = %for.body6.preheader, %for.body6.for.body6_crit_edge.3 |
| %.pre = load i32, i32* %i, align 4, !tbaa !2 |
| store i32 %.pre, i32* %3, align 4, !tbaa !2 |
| %7 = load i32, i32* @e, align 4, !tbaa !2 |
| %inc8 = add nsw i32 %7, 1 |
| store i32 %inc8, i32* @e, align 4, !tbaa !2 |
| %cmp5 = icmp slt i32 %7, 0 |
| br i1 %cmp5, label %for.body6.for.body6_crit_edge.1, label %for.end9.loopexit |
| |
| for.end9.loopexit: ; preds = %for.body6.for.body6_crit_edge, %for.body6.for.body6_crit_edge.1, %for.body6.for.body6_crit_edge.2, %for.body6.for.body6_crit_edge.3, %for.body6.preheader |
| %inc8.lcssa = phi i32 [ %inc811, %for.body6.preheader ], [ %inc8, %for.body6.for.body6_crit_edge ], [ %inc8.1, %for.body6.for.body6_crit_edge.1 ], [ %inc8.2, %for.body6.for.body6_crit_edge.2 ], [ %inc8.3, %for.body6.for.body6_crit_edge.3 ] |
| %.pre9 = load i32, i32* @d, align 4, !tbaa !2 |
| br label %for.end9 |
| |
| for.end9: ; preds = %for.end9.loopexit, %for.cond4thread-pre-split |
| %8 = phi i32 [ %.pre9, %for.end9.loopexit ], [ %4, %for.cond4thread-pre-split ] |
| %.pr37 = phi i32 [ %inc8.lcssa, %for.end9.loopexit ], [ %.pr3, %for.cond4thread-pre-split ] |
| store i32 %2, i32* @h, align 4, !tbaa !2 |
| store i32 0, i32* %i, align 4, !tbaa !2 |
| %9 = load i32, i32* @b, align 4, !tbaa !2 |
| %10 = load i32, i32* @f, align 4, !tbaa !2 |
| %xor = xor i32 %10, %9 |
| %idxprom = sext i32 %xor to i64 |
| %arrayidx = getelementptr inbounds [6 x i32], [6 x i32]* @a, i64 0, i64 %idxprom |
| %11 = load i32, i32* %arrayidx, align 4, !tbaa !2 |
| store i32 %11, i32* @b, align 4, !tbaa !2 |
| %dec = add nsw i32 %8, -1 |
| store i32 %dec, i32* @d, align 4, !tbaa !2 |
| %cmp2 = icmp sgt i32 %8, 0 |
| br i1 %cmp2, label %for.cond4thread-pre-split, label %for.end11 |
| |
| for.end11: ; preds = %for.end9, %for.end.for.end11_crit_edge |
| %12 = phi i32 [ %.pre10, %for.end.for.end11_crit_edge ], [ %11, %for.end9 ] |
| %call = call signext i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 signext %12) |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0) |
| ret i32 0 |
| |
| for.body6.for.body6_crit_edge.1: ; preds = %for.body6.for.body6_crit_edge |
| %.pre.1 = load i32, i32* %i, align 4, !tbaa !2 |
| store i32 %.pre.1, i32* %3, align 4, !tbaa !2 |
| %13 = load i32, i32* @e, align 4, !tbaa !2 |
| %inc8.1 = add nsw i32 %13, 1 |
| store i32 %inc8.1, i32* @e, align 4, !tbaa !2 |
| %cmp5.1 = icmp slt i32 %13, 0 |
| br i1 %cmp5.1, label %for.body6.for.body6_crit_edge.2, label %for.end9.loopexit |
| |
| for.body6.for.body6_crit_edge.2: ; preds = %for.body6.for.body6_crit_edge.1 |
| %.pre.2 = load i32, i32* %i, align 4, !tbaa !2 |
| store i32 %.pre.2, i32* %3, align 4, !tbaa !2 |
| %14 = load i32, i32* @e, align 4, !tbaa !2 |
| %inc8.2 = add nsw i32 %14, 1 |
| store i32 %inc8.2, i32* @e, align 4, !tbaa !2 |
| %cmp5.2 = icmp slt i32 %14, 0 |
| br i1 %cmp5.2, label %for.body6.for.body6_crit_edge.3, label %for.end9.loopexit |
| |
| for.body6.for.body6_crit_edge.3: ; preds = %for.body6.for.body6_crit_edge.2 |
| %.pre.3 = load i32, i32* %i, align 4, !tbaa !2 |
| store i32 %.pre.3, i32* %3, align 4, !tbaa !2 |
| %15 = load i32, i32* @e, align 4, !tbaa !2 |
| %inc8.3 = add nsw i32 %15, 1 |
| store i32 %inc8.3, i32* @e, align 4, !tbaa !2 |
| %cmp5.3 = icmp slt i32 %15, 0 |
| br i1 %cmp5.3, label %for.body6.for.body6_crit_edge, label %for.end9.loopexit |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) |
| |
| ; Function Attrs: nounwind |
| declare dso_local signext i32 @printf(i8* nocapture readonly, ...) |
| |
| !llvm.module.flags = !{!0} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !2 = !{!3, !3, i64 0} |
| !3 = !{!"int", !4, i64 0} |
| !4 = !{!"omnipotent char", !5, i64 0} |
| !5 = !{!"Simple C/C++ TBAA"} |