xref: /aosp_15_r20/external/llvm/test/CodeGen/MSP430/indirectbr.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=msp430 < %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker@nextaddr = global i8* null                       ; <i8**> [#uses=2]
4*9880d681SAndroid Build Coastguard Worker@C.0.2070 = private constant [5 x i8*] [i8* blockaddress(@foo, %L1), i8* blockaddress(@foo, %L2), i8* blockaddress(@foo, %L3), i8* blockaddress(@foo, %L4), i8* blockaddress(@foo, %L5)] ; <[5 x i8*]*> [#uses=1]
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine internal i16 @foo(i16 %i) nounwind {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker  %0 = load i8*, i8** @nextaddr, align 4               ; <i8*> [#uses=2]
9*9880d681SAndroid Build Coastguard Worker  %1 = icmp eq i8* %0, null                       ; <i1> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker  br i1 %1, label %bb3, label %bb2
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerbb2:                                              ; preds = %bb3, %entry
13*9880d681SAndroid Build Coastguard Worker  %gotovar.4.0 = phi i8* [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <i8*> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker  indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1]
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerbb3:                                              ; preds = %entry
17*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr inbounds [5 x i8*], [5 x i8*]* @C.0.2070, i16 0, i16 %i ; <i8**> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker  %gotovar.4.0.pre = load i8*, i8** %2, align 4        ; <i8*> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker  br label %bb2
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard WorkerL5:                                               ; preds = %bb2
22*9880d681SAndroid Build Coastguard Worker  br label %L4
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard WorkerL4:                                               ; preds = %L5, %bb2
25*9880d681SAndroid Build Coastguard Worker  %res.0 = phi i16 [ 385, %L5 ], [ 35, %bb2 ]     ; <i16> [#uses=1]
26*9880d681SAndroid Build Coastguard Worker  br label %L3
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard WorkerL3:                                               ; preds = %L4, %bb2
29*9880d681SAndroid Build Coastguard Worker  %res.1 = phi i16 [ %res.0, %L4 ], [ 5, %bb2 ]   ; <i16> [#uses=1]
30*9880d681SAndroid Build Coastguard Worker  br label %L2
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard WorkerL2:                                               ; preds = %L3, %bb2
33*9880d681SAndroid Build Coastguard Worker  %res.2 = phi i16 [ %res.1, %L3 ], [ 1, %bb2 ]   ; <i16> [#uses=1]
34*9880d681SAndroid Build Coastguard Worker  %phitmp = mul i16 %res.2, 6                     ; <i16> [#uses=1]
35*9880d681SAndroid Build Coastguard Worker  br label %L1
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard WorkerL1:                                               ; preds = %L2, %bb2
38*9880d681SAndroid Build Coastguard Worker  %res.3 = phi i16 [ %phitmp, %L2 ], [ 2, %bb2 ]  ; <i16> [#uses=1]
39*9880d681SAndroid Build Coastguard Worker  store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4
40*9880d681SAndroid Build Coastguard Worker  ret i16 %res.3
41*9880d681SAndroid Build Coastguard Worker}
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