xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2009-09-22-CoalescerBug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-apple-darwin10
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %argc, i8** nocapture %argv) nounwind ssp {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb, label %bb1
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerbb:                                               ; preds = %entry
8*9880d681SAndroid Build Coastguard Worker  ret i32 3
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerbb1:                                              ; preds = %entry
11*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb3, label %bb2
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerbb2:                                              ; preds = %bb1
14*9880d681SAndroid Build Coastguard Worker  ret i32 3
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerbb3:                                              ; preds = %bb1
17*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.i18, label %quantum_getwidth.exit
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerbb.i18:                                           ; preds = %bb.i18, %bb3
20*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.i18, label %quantum_getwidth.exit
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerquantum_getwidth.exit:                            ; preds = %bb.i18, %bb3
23*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb4, label %bb6.preheader
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerbb4:                                              ; preds = %quantum_getwidth.exit
26*9880d681SAndroid Build Coastguard Worker  unreachable
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerbb6.preheader:                                    ; preds = %quantum_getwidth.exit
29*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.i1, label %bb1.i2
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerbb.i1:                                            ; preds = %bb6.preheader
32*9880d681SAndroid Build Coastguard Worker  unreachable
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Workerbb1.i2:                                           ; preds = %bb6.preheader
35*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb2.i, label %bb3.i4
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerbb2.i:                                            ; preds = %bb1.i2
38*9880d681SAndroid Build Coastguard Worker  unreachable
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerbb3.i4:                                           ; preds = %bb1.i2
41*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %quantum_new_qureg.exit, label %bb4.i
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Workerbb4.i:                                            ; preds = %bb3.i4
44*9880d681SAndroid Build Coastguard Worker  unreachable
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Workerquantum_new_qureg.exit:                           ; preds = %bb3.i4
47*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb9, label %bb11.thread
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard Workerbb11.thread:                                      ; preds = %quantum_new_qureg.exit
50*9880d681SAndroid Build Coastguard Worker  %.cast.i = zext i32 undef to i64                ; <i64> [#uses=1]
51*9880d681SAndroid Build Coastguard Worker  br label %bb.i37
52*9880d681SAndroid Build Coastguard Worker
53*9880d681SAndroid Build Coastguard Workerbb9:                                              ; preds = %quantum_new_qureg.exit
54*9880d681SAndroid Build Coastguard Worker  unreachable
55*9880d681SAndroid Build Coastguard Worker
56*9880d681SAndroid Build Coastguard Workerbb.i37:                                           ; preds = %bb.i37, %bb11.thread
57*9880d681SAndroid Build Coastguard Worker  %0 = load i64, i64* undef, align 8                   ; <i64> [#uses=1]
58*9880d681SAndroid Build Coastguard Worker  %1 = shl i64 %0, %.cast.i                       ; <i64> [#uses=1]
59*9880d681SAndroid Build Coastguard Worker  store i64 %1, i64* undef, align 8
60*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.i37, label %quantum_addscratch.exit
61*9880d681SAndroid Build Coastguard Worker
62*9880d681SAndroid Build Coastguard Workerquantum_addscratch.exit:                          ; preds = %bb.i37
63*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb12.preheader, label %bb14
64*9880d681SAndroid Build Coastguard Worker
65*9880d681SAndroid Build Coastguard Workerbb12.preheader:                                   ; preds = %quantum_addscratch.exit
66*9880d681SAndroid Build Coastguard Worker  unreachable
67*9880d681SAndroid Build Coastguard Worker
68*9880d681SAndroid Build Coastguard Workerbb14:                                             ; preds = %quantum_addscratch.exit
69*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb17, label %bb.nph
70*9880d681SAndroid Build Coastguard Worker
71*9880d681SAndroid Build Coastguard Workerbb.nph:                                           ; preds = %bb14
72*9880d681SAndroid Build Coastguard Worker  unreachable
73*9880d681SAndroid Build Coastguard Worker
74*9880d681SAndroid Build Coastguard Workerbb17:                                             ; preds = %bb14
75*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb1.i7, label %quantum_measure.exit
76*9880d681SAndroid Build Coastguard Worker
77*9880d681SAndroid Build Coastguard Workerbb1.i7:                                           ; preds = %bb17
78*9880d681SAndroid Build Coastguard Worker  br label %quantum_measure.exit
79*9880d681SAndroid Build Coastguard Worker
80*9880d681SAndroid Build Coastguard Workerquantum_measure.exit:                             ; preds = %bb1.i7, %bb17
81*9880d681SAndroid Build Coastguard Worker  switch i32 undef, label %bb21 [
82*9880d681SAndroid Build Coastguard Worker    i32 -1, label %bb18
83*9880d681SAndroid Build Coastguard Worker    i32 0, label %bb20
84*9880d681SAndroid Build Coastguard Worker  ]
85*9880d681SAndroid Build Coastguard Worker
86*9880d681SAndroid Build Coastguard Workerbb18:                                             ; preds = %quantum_measure.exit
87*9880d681SAndroid Build Coastguard Worker  unreachable
88*9880d681SAndroid Build Coastguard Worker
89*9880d681SAndroid Build Coastguard Workerbb20:                                             ; preds = %quantum_measure.exit
90*9880d681SAndroid Build Coastguard Worker  unreachable
91*9880d681SAndroid Build Coastguard Worker
92*9880d681SAndroid Build Coastguard Workerbb21:                                             ; preds = %quantum_measure.exit
93*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %quantum_frac_approx.exit, label %bb1.i
94*9880d681SAndroid Build Coastguard Worker
95*9880d681SAndroid Build Coastguard Workerbb1.i:                                            ; preds = %bb21
96*9880d681SAndroid Build Coastguard Worker  unreachable
97*9880d681SAndroid Build Coastguard Worker
98*9880d681SAndroid Build Coastguard Workerquantum_frac_approx.exit:                         ; preds = %bb21
99*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb25, label %bb26
100*9880d681SAndroid Build Coastguard Worker
101*9880d681SAndroid Build Coastguard Workerbb25:                                             ; preds = %quantum_frac_approx.exit
102*9880d681SAndroid Build Coastguard Worker  unreachable
103*9880d681SAndroid Build Coastguard Worker
104*9880d681SAndroid Build Coastguard Workerbb26:                                             ; preds = %quantum_frac_approx.exit
105*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %quantum_gcd.exit, label %bb.i
106*9880d681SAndroid Build Coastguard Worker
107*9880d681SAndroid Build Coastguard Workerbb.i:                                             ; preds = %bb.i, %bb26
108*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %quantum_gcd.exit, label %bb.i
109*9880d681SAndroid Build Coastguard Worker
110*9880d681SAndroid Build Coastguard Workerquantum_gcd.exit:                                 ; preds = %bb.i, %bb26
111*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb32, label %bb33
112*9880d681SAndroid Build Coastguard Worker
113*9880d681SAndroid Build Coastguard Workerbb32:                                             ; preds = %quantum_gcd.exit
114*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb.i.i, label %quantum_delete_qureg.exit
115*9880d681SAndroid Build Coastguard Worker
116*9880d681SAndroid Build Coastguard Workerbb.i.i:                                           ; preds = %bb32
117*9880d681SAndroid Build Coastguard Worker  ret i32 0
118*9880d681SAndroid Build Coastguard Worker
119*9880d681SAndroid Build Coastguard Workerquantum_delete_qureg.exit:                        ; preds = %bb32
120*9880d681SAndroid Build Coastguard Worker  ret i32 0
121*9880d681SAndroid Build Coastguard Worker
122*9880d681SAndroid Build Coastguard Workerbb33:                                             ; preds = %quantum_gcd.exit
123*9880d681SAndroid Build Coastguard Worker  unreachable
124*9880d681SAndroid Build Coastguard Worker}
125