xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/indirectbr-2.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -relocation-model=pic -mtriple=thumbv7-apple-ios | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; <rdar://problem/12529625>
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@foo = global i32 34879, align 4
5*9880d681SAndroid Build Coastguard Worker@DWJumpTable2808 = global [2 x i32] [i32 sub (i32 ptrtoint (i8* blockaddress(@func, %14) to i32), i32 ptrtoint (i8* blockaddress(@func, %4) to i32)), i32 sub (i32 ptrtoint (i8* blockaddress(@func, %13) to i32), i32 ptrtoint (i8* blockaddress(@func, %4) to i32))]
6*9880d681SAndroid Build Coastguard Worker@0 = internal constant [45 x i8] c"func XXXXXXXXXXX :: bb xxxxxxxxxxxxxxxxxxxx\0A\00"
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; The indirect branch has the two destinations as successors. The lone PHI
9*9880d681SAndroid Build Coastguard Worker; statement shouldn't be implicitly defined.
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL:      func:
12*9880d681SAndroid Build Coastguard Worker; CHECK:      Ltmp1:    @ Block address taken
13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:            @ implicit-def: R0
14*9880d681SAndroid Build Coastguard Worker; CHECK:                @ 4-byte Reload
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine i32 @func() nounwind ssp {
17*9880d681SAndroid Build Coastguard Worker  %1 = alloca i32, align 4
18*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* @foo, align 4
19*9880d681SAndroid Build Coastguard Worker  %3 = icmp eq i32 %2, 34879
20*9880d681SAndroid Build Coastguard Worker  br label %4
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker; <label>:4                                       ; preds = %0
23*9880d681SAndroid Build Coastguard Worker  %5 = zext i1 %3 to i32
24*9880d681SAndroid Build Coastguard Worker  %6 = mul i32 %5, 287
25*9880d681SAndroid Build Coastguard Worker  %7 = add i32 %6, 2
26*9880d681SAndroid Build Coastguard Worker  %8 = getelementptr [2 x i32], [2 x i32]* @DWJumpTable2808, i32 0, i32 %5
27*9880d681SAndroid Build Coastguard Worker  %9 = load i32, i32* %8
28*9880d681SAndroid Build Coastguard Worker  %10 = add i32 %9, ptrtoint (i8* blockaddress(@func, %4) to i32)
29*9880d681SAndroid Build Coastguard Worker  %11 = inttoptr i32 %10 to i8*
30*9880d681SAndroid Build Coastguard Worker  %12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @0, i32 0, i32 0))
31*9880d681SAndroid Build Coastguard Worker  indirectbr i8* %11, [label %13, label %14]
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Worker; <label>:13                                      ; preds = %4
34*9880d681SAndroid Build Coastguard Worker  %tmp14 = phi i32 [ %7, %4 ]
35*9880d681SAndroid Build Coastguard Worker  store i32 23958, i32* @foo, align 4
36*9880d681SAndroid Build Coastguard Worker  %tmp15 = load i32, i32* %1, align 4
37*9880d681SAndroid Build Coastguard Worker  %tmp16 = icmp eq i32 %tmp15, 0
38*9880d681SAndroid Build Coastguard Worker  %tmp17 = zext i1 %tmp16 to i32
39*9880d681SAndroid Build Coastguard Worker  %tmp21 = add i32 %tmp17, %tmp14
40*9880d681SAndroid Build Coastguard Worker  ret i32 %tmp21
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Worker; <label>:14                                      ; preds = %4
43*9880d681SAndroid Build Coastguard Worker  ret i32 42
44*9880d681SAndroid Build Coastguard Worker}
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8*, ...)
47