xref: /aosp_15_r20/external/llvm/test/Transforms/LoopStrengthReduce/ivchain.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; PR11782: bad cast to AddRecExpr.
4*9880d681SAndroid Build Coastguard Worker; A sign extend feeds an IVUser and cannot be hoisted into the AddRec.
5*9880d681SAndroid Build Coastguard Worker; CollectIVChains should bailout on this case.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; Provide legal integer types.
9*9880d681SAndroid Build Coastguard Workertarget datalayout = "n8:16:32:64"
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker%struct = type { i8*, i8*, i16, i64, i16, i16, i16, i64, i64, i16, i8*, i64, i64, i64 }
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test(
14*9880d681SAndroid Build Coastguard Worker; CHECK: for.body:
15*9880d681SAndroid Build Coastguard Worker; CHECK: lsr.iv = phi %struct
16*9880d681SAndroid Build Coastguard Worker; CHECK: br
17*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i8* %h, i32 %more) nounwind uwtable {
18*9880d681SAndroid Build Coastguard Workerentry:
19*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %land.end238, label %return
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerland.end238:                                      ; preds = %if.end229
22*9880d681SAndroid Build Coastguard Worker  br label %for.body
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerfor.body:                                         ; preds = %sw.epilog, %land.end238
25*9880d681SAndroid Build Coastguard Worker  %fbh.0 = phi %struct* [ undef, %land.end238 ], [ %incdec.ptr, %sw.epilog ]
26*9880d681SAndroid Build Coastguard Worker  %column_n.0 = phi i16 [ 0, %land.end238 ], [ %inc601, %sw.epilog ]
27*9880d681SAndroid Build Coastguard Worker  %conv250 = sext i16 %column_n.0 to i32
28*9880d681SAndroid Build Coastguard Worker  %add257 = add nsw i32 %conv250, 1
29*9880d681SAndroid Build Coastguard Worker  %conv258 = trunc i32 %add257 to i16
30*9880d681SAndroid Build Coastguard Worker  %cmp263 = icmp ult i16 undef, 2
31*9880d681SAndroid Build Coastguard Worker  br label %if.end388
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerif.end388:                                        ; preds = %if.then380, %if.else356
34*9880d681SAndroid Build Coastguard Worker  %ColLength = getelementptr inbounds %struct, %struct* %fbh.0, i64 0, i32 7
35*9880d681SAndroid Build Coastguard Worker  %call405 = call signext i16 @SQLColAttribute(i8* undef, i16 zeroext %conv258, i16 zeroext 1003, i8* null, i16 signext 0, i16* null, i64* %ColLength) nounwind
36*9880d681SAndroid Build Coastguard Worker  br label %sw.epilog
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Workersw.epilog:                                        ; preds = %sw.bb542, %sw.bb523, %if.end475
39*9880d681SAndroid Build Coastguard Worker  %inc601 = add i16 %column_n.0, 1
40*9880d681SAndroid Build Coastguard Worker  %incdec.ptr = getelementptr inbounds %struct, %struct* %fbh.0, i64 1
41*9880d681SAndroid Build Coastguard Worker  br label %for.body
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %entry
44*9880d681SAndroid Build Coastguard Worker  ret i32 1
45*9880d681SAndroid Build Coastguard Worker}
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Workerdeclare signext i16 @SQLColAttribute(i8*, i16 zeroext, i16 zeroext, i8*, i16 signext, i16*, i64*)
48