xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/ctrloop-udivti3.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=ppc64 | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-m:e-i64:64-n32:64"
3*9880d681SAndroid Build Coastguard Workertarget triple = "powerpc64-unknown-linux-gnu"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
6*9880d681SAndroid Build Coastguard Workerdefine hidden void @_mpd_shortdiv(i64 %n) #0 {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %for.end, label %for.body.lr.ph
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerfor.body.lr.ph:                                   ; preds = %entry
11*9880d681SAndroid Build Coastguard Worker  br label %for.body
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerfor.body:                                         ; preds = %for.body, %for.body.lr.ph
14*9880d681SAndroid Build Coastguard Worker  %i.018.in = phi i64 [ %n, %for.body.lr.ph ], [ %i.018, %for.body ]
15*9880d681SAndroid Build Coastguard Worker  %i.018 = add i64 %i.018.in, -1
16*9880d681SAndroid Build Coastguard Worker  %jj = sext i64 %i.018 to i128
17*9880d681SAndroid Build Coastguard Worker  %add.i = or i128 %jj, undef
18*9880d681SAndroid Build Coastguard Worker  %div.i = udiv i128 %add.i, %jj
19*9880d681SAndroid Build Coastguard Worker  %conv3.i11 = trunc i128 %div.i to i64
20*9880d681SAndroid Build Coastguard Worker  store i64 %conv3.i11, i64* undef, align 8
21*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i64 %i.018, 0
22*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %for.end, label %for.body
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerfor.end:                                          ; preds = %for.body, %entry
25*9880d681SAndroid Build Coastguard Worker  ret void
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @_mpd_shortdiv
29*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mtctr
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind }
32*9880d681SAndroid Build Coastguard Worker
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