xref: /aosp_15_r20/external/llvm/test/CodeGen/Lanai/delay_filler.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=lanai < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=lanai --lanai-nop-delay-filler < %s | \
3*9880d681SAndroid Build Coastguard Worker; RUN:   FileCheck %s --check-prefix=NOP
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK: bt f
6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: or
7*9880d681SAndroid Build Coastguard Worker; NOP: bt f
8*9880d681SAndroid Build Coastguard Worker; NOP-NEXT: nop
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; ModuleID = 'delay_filler.c'
11*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-m:e-p:32:32-i64:64-a:0:32-n32-S64"
12*9880d681SAndroid Build Coastguard Workertarget triple = "lanai"
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
15*9880d681SAndroid Build Coastguard Workerdefine i32 @g(i32 inreg %n) #0 {
16*9880d681SAndroid Build Coastguard Workerentry:
17*9880d681SAndroid Build Coastguard Worker  %cmp5 = icmp sgt i32 %n, 0
18*9880d681SAndroid Build Coastguard Worker  br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerfor.body.preheader:                               ; preds = %entry
21*9880d681SAndroid Build Coastguard Worker  br label %for.body
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerfor.cond.cleanup.loopexit:                        ; preds = %for.body
24*9880d681SAndroid Build Coastguard Worker  %call.lcssa = phi i32 [ %call, %for.body ]
25*9880d681SAndroid Build Coastguard Worker  br label %for.cond.cleanup
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerfor.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
28*9880d681SAndroid Build Coastguard Worker  %a.0.lcssa = phi i32 [ undef, %entry ], [ %call.lcssa, %for.cond.cleanup.loopexit ]
29*9880d681SAndroid Build Coastguard Worker  ret i32 %a.0.lcssa
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerfor.body:                                         ; preds = %for.body.preheader, %for.body
32*9880d681SAndroid Build Coastguard Worker  %i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
33*9880d681SAndroid Build Coastguard Worker  %a.06 = phi i32 [ %call, %for.body ], [ undef, %for.body.preheader ]
34*9880d681SAndroid Build Coastguard Worker  %call = tail call i32 @f(i32 inreg %a.06) #2
35*9880d681SAndroid Build Coastguard Worker  %inc = add nuw nsw i32 %i.07, 1
36*9880d681SAndroid Build Coastguard Worker  %exitcond = icmp eq i32 %inc, %n
37*9880d681SAndroid Build Coastguard Worker  br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
38*9880d681SAndroid Build Coastguard Worker}
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerdeclare i32 @f(i32 inreg) #1
41*9880d681SAndroid Build Coastguard Worker
42