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; 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 ptr @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, ptr @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, ptr getelementptr inbounds ([6 x i32], ptr @a, i64 0, i64 1), align 4, !tbaa !2
store i32 6, ptr @c, align 4, !tbaa !2
br label %for.end
for.end: ; preds = %for.body.preheader, %entry
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %i)
store i32 14, ptr %i, align 4, !tbaa !2
%.pr2 = load i32, ptr @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, ptr @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
%0 = ptrtoint ptr %i to i64
%1 = trunc i64 %0 to i32
%2 = load ptr, ptr @g, align 8
%.pr3.pre = load i32, ptr @e, align 4, !tbaa !2
br label %for.cond4thread-pre-split
for.cond4thread-pre-split: ; preds = %for.cond4thread-pre-split.lr.ph, %for.end9
%3 = phi i32 [ %.pr2, %for.cond4thread-pre-split.lr.ph ], [ %dec, %for.end9 ]
%4 = 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 %4, ptr %2, align 4, !tbaa !2
%5 = load i32, ptr @e, align 4, !tbaa !2
%inc811 = add nsw i32 %5, 1
store i32 %inc811, ptr @e, align 4, !tbaa !2
%cmp512 = icmp slt i32 %5, 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, ptr %i, align 4, !tbaa !2
store i32 %.pre, ptr %2, align 4, !tbaa !2
%6 = load i32, ptr @e, align 4, !tbaa !2
%inc8 = add nsw i32 %6, 1
store i32 %inc8, ptr @e, align 4, !tbaa !2
%cmp5 = icmp slt i32 %6, 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, ptr @d, align 4, !tbaa !2
br label %for.end9
for.end9: ; preds = %for.end9.loopexit, %for.cond4thread-pre-split
%7 = phi i32 [ %.pre9, %for.end9.loopexit ], [ %3, %for.cond4thread-pre-split ]
%.pr37 = phi i32 [ %inc8.lcssa, %for.end9.loopexit ], [ %.pr3, %for.cond4thread-pre-split ]
store i32 %1, ptr @h, align 4, !tbaa !2
store i32 0, ptr %i, align 4, !tbaa !2
%8 = load i32, ptr @b, align 4, !tbaa !2
%9 = load i32, ptr @f, align 4, !tbaa !2
%xor = xor i32 %9, %8
%idxprom = sext i32 %xor to i64
%arrayidx = getelementptr inbounds [6 x i32], ptr @a, i64 0, i64 %idxprom
%10 = load i32, ptr %arrayidx, align 4, !tbaa !2
store i32 %10, ptr @b, align 4, !tbaa !2
%dec = add nsw i32 %7, -1
store i32 %dec, ptr @d, align 4, !tbaa !2
%cmp2 = icmp sgt i32 %7, 0
br i1 %cmp2, label %for.cond4thread-pre-split, label %for.end11
for.end11: ; preds = %for.end9, %for.end.for.end11_crit_edge
%11 = phi i32 [ %.pre10, %for.end.for.end11_crit_edge ], [ %10, %for.end9 ]
%call = call signext i32 (ptr, ...) @printf(ptr @.str, i32 signext %11)
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %i)
ret i32 0
for.body6.for.body6_crit_edge.1: ; preds = %for.body6.for.body6_crit_edge
%.pre.1 = load i32, ptr %i, align 4, !tbaa !2
store i32 %.pre.1, ptr %2, align 4, !tbaa !2
%12 = load i32, ptr @e, align 4, !tbaa !2
%inc8.1 = add nsw i32 %12, 1
store i32 %inc8.1, ptr @e, align 4, !tbaa !2
%cmp5.1 = icmp slt i32 %12, 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, ptr %i, align 4, !tbaa !2
store i32 %.pre.2, ptr %2, align 4, !tbaa !2
%13 = load i32, ptr @e, align 4, !tbaa !2
%inc8.2 = add nsw i32 %13, 1
store i32 %inc8.2, ptr @e, align 4, !tbaa !2
%cmp5.2 = icmp slt i32 %13, 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, ptr %i, align 4, !tbaa !2
store i32 %.pre.3, ptr %2, align 4, !tbaa !2
%14 = load i32, ptr @e, align 4, !tbaa !2
%inc8.3 = add nsw i32 %14, 1
store i32 %inc8.3, ptr @e, align 4, !tbaa !2
%cmp5.3 = icmp slt i32 %14, 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.p0(i64, ptr nocapture)
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
; Function Attrs: nounwind
declare dso_local signext i32 @printf(ptr 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"}
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