xref: /llvm-project/llvm/test/CodeGen/X86/2009-10-19-EmergencySpill.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -frame-pointer=all
2; rdar://7291624
3
4%union.RtreeCoord = type { float }
5%struct.RtreeCell = type { i64, [10 x %union.RtreeCoord] }
6%struct.Rtree = type { i32, ptr, i32, i32, i32, i32, ptr, ptr }
7%struct.RtreeNode = type { ptr, i64, i32, i32, ptr, ptr }
8
9define fastcc void @nodeOverwriteCell(ptr nocapture %pRtree, ptr nocapture %pNode, ptr nocapture %pCell, i32 %iCell) nounwind ssp {
10entry:
11  %0 = load ptr, ptr undef, align 8                   ; <ptr> [#uses=2]
12  %1 = load i32, ptr undef, align 8                   ; <i32> [#uses=1]
13  %2 = mul i32 %1, %iCell                         ; <i32> [#uses=1]
14  %3 = add nsw i32 %2, 4                          ; <i32> [#uses=1]
15  %4 = sext i32 %3 to i64                         ; <i64> [#uses=2]
16  %5 = load i64, ptr null, align 8                    ; <i64> [#uses=2]
17  %6 = lshr i64 %5, 48                            ; <i64> [#uses=1]
18  %7 = trunc i64 %6 to i8                         ; <i8> [#uses=1]
19  store i8 %7, ptr undef, align 1
20  %8 = lshr i64 %5, 8                             ; <i64> [#uses=1]
21  %9 = trunc i64 %8 to i8                         ; <i8> [#uses=1]
22  %.sum4 = add i64 %4, 6                          ; <i64> [#uses=1]
23  %10 = getelementptr inbounds i8, ptr %0, i64 %.sum4 ; <ptr> [#uses=1]
24  store i8 %9, ptr %10, align 1
25  %11 = getelementptr inbounds %struct.Rtree, ptr %pRtree, i64 0, i32 3 ; <ptr> [#uses=1]
26  br i1 undef, label %bb.nph, label %bb2
27
28bb.nph:                                           ; preds = %entry
29  %tmp25 = add i64 %4, 11                         ; <i64> [#uses=1]
30  br label %bb
31
32bb:                                               ; preds = %bb, %bb.nph
33  %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i64> [#uses=3]
34  %scevgep = getelementptr %struct.RtreeCell, ptr %pCell, i64 0, i32 1, i64 %indvar ; <ptr> [#uses=1]
35  %tmp = shl i64 %indvar, 2                       ; <i64> [#uses=1]
36  %tmp26 = add i64 %tmp, %tmp25                   ; <i64> [#uses=1]
37  %scevgep27 = getelementptr i8, ptr %0, i64 %tmp26   ; <ptr> [#uses=1]
38  %12 = load i32, ptr %scevgep, align 4             ; <i32> [#uses=1]
39  %13 = lshr i32 %12, 24                          ; <i32> [#uses=1]
40  %14 = trunc i32 %13 to i8                       ; <i8> [#uses=1]
41  store i8 %14, ptr undef, align 1
42  store i8 undef, ptr %scevgep27, align 1
43  %15 = load i32, ptr %11, align 4                    ; <i32> [#uses=1]
44  %16 = shl i32 %15, 1                            ; <i32> [#uses=1]
45  %17 = icmp sgt i32 %16, undef                   ; <i1> [#uses=1]
46  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=1]
47  br i1 %17, label %bb, label %bb2
48
49bb2:                                              ; preds = %bb, %entry
50  %18 = getelementptr inbounds %struct.RtreeNode, ptr %pNode, i64 0, i32 3 ; <ptr> [#uses=1]
51  store i32 1, ptr %18, align 4
52  ret void
53}
54