Matt Arsenault | 009faed | 2013-09-11 05:09:42 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-reduce -S | FileCheck %s |
| 2 | ; CHECK: bb1: |
| 3 | ; CHECK: load double addrspace(1)* [[IV:%[^,]+]] |
| 4 | ; CHECK: store double {{.*}}, double addrspace(1)* [[IV]] |
| 5 | |
| 6 | ; CHECK-NOT: cast |
| 7 | ; Make sure the GEP has the right index type |
David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame^] | 8 | ; CHECK: getelementptr double, double addrspace(1)* [[IV]], i16 1 |
Matt Arsenault | 009faed | 2013-09-11 05:09:42 +0000 | [diff] [blame] | 9 | ; CHECK: br {{.*}} label %bb1 |
| 10 | |
| 11 | ; Make sure the GEP has the right index type |
David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame^] | 12 | ; CHECK: getelementptr double, double addrspace(1)* {{.*}}, i16 |
Matt Arsenault | 009faed | 2013-09-11 05:09:42 +0000 | [diff] [blame] | 13 | |
| 14 | |
| 15 | ; This test tests several things. The load and store should use the |
| 16 | ; same address instead of having it computed twice, and SCEVExpander should |
| 17 | ; be able to reconstruct the full getelementptr, despite it having a few |
| 18 | ; obstacles set in its way. |
| 19 | ; We only check that the inner loop (bb1-bb2) is "reduced" because LSR |
| 20 | ; currently only operates on inner loops. |
| 21 | |
| 22 | target datalayout = "e-p:64:64:64-p1:16:16:16-n16:32:64" |
| 23 | |
| 24 | define void @foo(i64 %n, i64 %m, i64 %o, i64 %q, double addrspace(1)* nocapture %p) nounwind { |
| 25 | entry: |
| 26 | %tmp = icmp sgt i64 %n, 0 ; <i1> [#uses=1] |
| 27 | br i1 %tmp, label %bb.nph3, label %return |
| 28 | |
| 29 | bb.nph: ; preds = %bb2.preheader |
| 30 | %tmp1 = mul i64 %tmp16, %i.02 ; <i64> [#uses=1] |
| 31 | %tmp2 = mul i64 %tmp19, %i.02 ; <i64> [#uses=1] |
| 32 | br label %bb1 |
| 33 | |
| 34 | bb1: ; preds = %bb2, %bb.nph |
| 35 | %j.01 = phi i64 [ %tmp9, %bb2 ], [ 0, %bb.nph ] ; <i64> [#uses=3] |
| 36 | %tmp3 = add i64 %j.01, %tmp1 ; <i64> [#uses=1] |
| 37 | %tmp4 = add i64 %j.01, %tmp2 ; <i64> [#uses=1] |
| 38 | %z0 = add i64 %tmp3, 5203 |
David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame^] | 39 | %tmp5 = getelementptr double, double addrspace(1)* %p, i64 %z0 ; <double addrspace(1)*> [#uses=1] |
Matt Arsenault | 009faed | 2013-09-11 05:09:42 +0000 | [diff] [blame] | 40 | %tmp6 = load double addrspace(1)* %tmp5, align 8 ; <double> [#uses=1] |
| 41 | %tmp7 = fdiv double %tmp6, 2.100000e+00 ; <double> [#uses=1] |
| 42 | %z1 = add i64 %tmp4, 5203 |
David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame^] | 43 | %tmp8 = getelementptr double, double addrspace(1)* %p, i64 %z1 ; <double addrspace(1)*> [#uses=1] |
Matt Arsenault | 009faed | 2013-09-11 05:09:42 +0000 | [diff] [blame] | 44 | store double %tmp7, double addrspace(1)* %tmp8, align 8 |
| 45 | %tmp9 = add i64 %j.01, 1 ; <i64> [#uses=2] |
| 46 | br label %bb2 |
| 47 | |
| 48 | bb2: ; preds = %bb1 |
| 49 | %tmp10 = icmp slt i64 %tmp9, %m ; <i1> [#uses=1] |
| 50 | br i1 %tmp10, label %bb1, label %bb2.bb3_crit_edge |
| 51 | |
| 52 | bb2.bb3_crit_edge: ; preds = %bb2 |
| 53 | br label %bb3 |
| 54 | |
| 55 | bb3: ; preds = %bb2.preheader, %bb2.bb3_crit_edge |
| 56 | %tmp11 = add i64 %i.02, 1 ; <i64> [#uses=2] |
| 57 | br label %bb4 |
| 58 | |
| 59 | bb4: ; preds = %bb3 |
| 60 | %tmp12 = icmp slt i64 %tmp11, %n ; <i1> [#uses=1] |
| 61 | br i1 %tmp12, label %bb2.preheader, label %bb4.return_crit_edge |
| 62 | |
| 63 | bb4.return_crit_edge: ; preds = %bb4 |
| 64 | br label %bb4.return_crit_edge.split |
| 65 | |
| 66 | bb4.return_crit_edge.split: ; preds = %bb.nph3, %bb4.return_crit_edge |
| 67 | br label %return |
| 68 | |
| 69 | bb.nph3: ; preds = %entry |
| 70 | %tmp13 = icmp sgt i64 %m, 0 ; <i1> [#uses=1] |
| 71 | %tmp14 = mul i64 %n, 37 ; <i64> [#uses=1] |
| 72 | %tmp15 = mul i64 %tmp14, %o ; <i64> [#uses=1] |
| 73 | %tmp16 = mul i64 %tmp15, %q ; <i64> [#uses=1] |
| 74 | %tmp17 = mul i64 %n, 37 ; <i64> [#uses=1] |
| 75 | %tmp18 = mul i64 %tmp17, %o ; <i64> [#uses=1] |
| 76 | %tmp19 = mul i64 %tmp18, %q ; <i64> [#uses=1] |
| 77 | br i1 %tmp13, label %bb.nph3.split, label %bb4.return_crit_edge.split |
| 78 | |
| 79 | bb.nph3.split: ; preds = %bb.nph3 |
| 80 | br label %bb2.preheader |
| 81 | |
| 82 | bb2.preheader: ; preds = %bb.nph3.split, %bb4 |
| 83 | %i.02 = phi i64 [ %tmp11, %bb4 ], [ 0, %bb.nph3.split ] ; <i64> [#uses=3] |
| 84 | br i1 true, label %bb.nph, label %bb3 |
| 85 | |
| 86 | return: ; preds = %bb4.return_crit_edge.split, %entry |
| 87 | ret void |
| 88 | } |