xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2010-01-19-OptExtBug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; REQUIRES: asserts
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-darwin11 -relocation-model=pic -disable-fp-elim -stats 2>&1 | not grep ext-opt
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine fastcc i8* @S_scan_str(i8* %start, i32 %keep_quoted, i32 %keep_delims) nounwind ssp {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker  switch i8 undef, label %bb6 [
7*9880d681SAndroid Build Coastguard Worker    i8 9, label %bb5
8*9880d681SAndroid Build Coastguard Worker    i8 32, label %bb5
9*9880d681SAndroid Build Coastguard Worker    i8 10, label %bb5
10*9880d681SAndroid Build Coastguard Worker    i8 13, label %bb5
11*9880d681SAndroid Build Coastguard Worker    i8 12, label %bb5
12*9880d681SAndroid Build Coastguard Worker  ]
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerbb5:                                              ; preds = %entry, %entry, %entry, %entry, %entry
15*9880d681SAndroid Build Coastguard Worker  br label %bb6
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerbb6:                                              ; preds = %bb5, %entry
18*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb7, label %bb9
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerbb7:                                              ; preds = %bb6
21*9880d681SAndroid Build Coastguard Worker  unreachable
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerbb9:                                              ; preds = %bb6
24*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* undef, align 1                    ; <i8> [#uses=3]
25*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb12, label %bb10
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerbb10:                                             ; preds = %bb9
28*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb12, label %bb11
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerbb11:                                             ; preds = %bb10
31*9880d681SAndroid Build Coastguard Worker  unreachable
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerbb12:                                             ; preds = %bb10, %bb9
34*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb13, label %bb14
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerbb13:                                             ; preds = %bb12
37*9880d681SAndroid Build Coastguard Worker  store i8 %0, i8* undef, align 1
38*9880d681SAndroid Build Coastguard Worker  %1 = zext i8 %0 to i32                          ; <i32> [#uses=1]
39*9880d681SAndroid Build Coastguard Worker  br label %bb18
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Workerbb14:                                             ; preds = %bb12
42*9880d681SAndroid Build Coastguard Worker  br label %bb18
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerbb18:                                             ; preds = %bb14, %bb13
45*9880d681SAndroid Build Coastguard Worker  %termcode.0 = phi i32 [ %1, %bb13 ], [ undef, %bb14 ] ; <i32> [#uses=2]
46*9880d681SAndroid Build Coastguard Worker  %2 = icmp eq i8 %0, 0                           ; <i1> [#uses=1]
47*9880d681SAndroid Build Coastguard Worker  br i1 %2, label %bb21, label %bb19
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard Workerbb19:                                             ; preds = %bb18
50*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb21, label %bb20
51*9880d681SAndroid Build Coastguard Worker
52*9880d681SAndroid Build Coastguard Workerbb20:                                             ; preds = %bb19
53*9880d681SAndroid Build Coastguard Worker  br label %bb21
54*9880d681SAndroid Build Coastguard Worker
55*9880d681SAndroid Build Coastguard Workerbb21:                                             ; preds = %bb20, %bb19, %bb18
56*9880d681SAndroid Build Coastguard Worker  %termcode.1 = phi i32 [ %termcode.0, %bb18 ], [ %termcode.0, %bb19 ], [ undef, %bb20 ] ; <i32> [#uses=0]
57*9880d681SAndroid Build Coastguard Worker  unreachable
58*9880d681SAndroid Build Coastguard Worker}
59