xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/fast-isel-br-phi.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; This test ensures HandlePHINodesInSuccessorBlocks() is able to promote basic
4*9880d681SAndroid Build Coastguard Worker; non-legal integer types (i.e., i1, i8, i16).
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdeclare void @fooi8(i8)
7*9880d681SAndroid Build Coastguard Workerdeclare void @fooi16(i16)
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine void @foo(i1 %cmp) nounwind ssp {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %cond.true, label %cond.false
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workercond.true:                                        ; preds = %entry
14*9880d681SAndroid Build Coastguard Worker  br label %cond.end
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workercond.false:                                       ; preds = %entry
17*9880d681SAndroid Build Coastguard Worker  br label %cond.end
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workercond.end:                                         ; preds = %cond.false, %cond.true
20*9880d681SAndroid Build Coastguard Worker  %cond = phi i1 [ 0, %cond.true ], [ 1, %cond.false ]
21*9880d681SAndroid Build Coastguard Worker  br i1 %cond, label %cond.true8, label %cond.false8
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workercond.true8:                                       ; preds = %cond.end
24*9880d681SAndroid Build Coastguard Worker  br label %cond.end8
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workercond.false8:                                      ; preds = %cond.end
27*9880d681SAndroid Build Coastguard Worker  br label %cond.end8
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workercond.end8:                                        ; preds = %cond.false8, %cond.true8
30*9880d681SAndroid Build Coastguard Worker  %cond8 = phi i8 [ 0, %cond.true8 ], [ 1, %cond.false8 ]
31*9880d681SAndroid Build Coastguard Worker  call void @fooi8(i8 %cond8)
32*9880d681SAndroid Build Coastguard Worker  br i1 0, label %cond.true16, label %cond.false16
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Workercond.true16:                                       ; preds = %cond.end8
35*9880d681SAndroid Build Coastguard Worker  br label %cond.end16
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workercond.false16:                                      ; preds = %cond.end8
38*9880d681SAndroid Build Coastguard Worker  br label %cond.end16
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workercond.end16:                                        ; preds = %cond.false16, %cond.true16
41*9880d681SAndroid Build Coastguard Worker  %cond16 = phi i16 [ 0, %cond.true16 ], [ 1, %cond.false16 ]
42*9880d681SAndroid Build Coastguard Worker  call void @fooi16(i16 %cond16)
43*9880d681SAndroid Build Coastguard Worker  ret void
44*9880d681SAndroid Build Coastguard Worker}
45