1 ; This test makes sure that these instructions are properly eliminated.
3 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep select
7 int %test1(int %A, int %B) {
8 %C = select bool false, int %A, int %B
12 int %test2(int %A, int %B) {
13 %C = select bool true, int %A, int %B
17 int %test3(bool %C, int %I) {
18 %V = select bool %C, int %I, int %I ; V = I
22 bool %test4(bool %C) {
23 %V = select bool %C, bool true, bool false ; V = C
27 bool %test5(bool %C) {
28 %V = select bool %C, bool false, bool true ; V = !C
33 %V = select bool %C, int 1, int 0 ; V = cast C to int
37 bool %test7(bool %C, bool %X) {
38 %R = select bool %C, bool true, bool %X ; R = or C, X
42 bool %test8(bool %C, bool %X) {
43 %R = select bool %C, bool %X, bool false ; R = and C, X
47 bool %test9(bool %C, bool %X) {
48 %R = select bool %C, bool false, bool %X ; R = and !C, X
52 bool %test10(bool %C, bool %X) {
53 %R = select bool %C, bool %X, bool true ; R = or !C, X
59 %R = select bool %C, int 0, int 1
63 int %test12(bool %cond, int %a) {
65 %c = select bool %cond, int %b, int %a
69 int %test12a(bool %cond, int %a) {
70 %b = shr int %a, ubyte 1
71 %c = select bool %cond, int %b, int %a
75 int %test12b(bool %cond, int %a) {
76 %b = shr int %a, ubyte 1
77 %c = select bool %cond, int %a, int %b
81 int %test13(int %a, int %b) {
83 %V = select bool %C, int %a, int %b
87 int %test13a(int %a, int %b) {
89 %V = select bool %C, int %a, int %b
93 int %test13b(int %a, int %b) {
95 %V = select bool %C, int %b, int %a
99 bool %test14a(bool %C, int %X) {
100 %V = select bool %C, int %X, int 0
101 %R = setlt int %V, 1 ; (X < 1) | !C
105 bool %test14b(bool %C, int %X) {
106 %V = select bool %C, int 0, int %X
107 %R = setlt int %V, 1 ; (X < 1) | C
111 int %test15a(int %X) { ;; Code sequence for (X & 16) ? 16 : 0
113 %t2 = seteq int %t1, 0
114 %t3 = select bool %t2, int 0, int 16 ;; X & 16
118 int %test15b(int %X) { ;; Code sequence for (X & 32) ? 0 : 24
120 %t2 = seteq int %t1, 0
121 %t3 = select bool %t2, int 32, int 0 ;; ~X & 32
125 int %test15c(int %X) { ;; Alternate code sequence for (X & 16) ? 16 : 0
127 %t2 = seteq int %t1, 16
128 %t3 = select bool %t2, int 16, int 0 ;; X & 16
132 int %test15d(int %X) { ;; Alternate code sequence for (X & 16) ? 16 : 0
134 %t2 = setne int %t1, 0
135 %t3 = select bool %t2, int 16, int 0 ;; X & 16
139 int %test16(bool %C, int* %P) {
140 %P2 = select bool %C, int* %P, int* null
145 bool %test17(int* %X, bool %C) {
146 %R = select bool %C, int* %X, int* null
147 %RV = seteq int* %R, null
151 int %test18(int %X, int %Y, bool %C) {
152 %R = select bool %C, int %X, int 0
153 %V = div int %Y, %R ; div Y,X
157 int %test19(uint %x) {
159 %tmp = setgt uint %x, 2147483647
160 %retval = select bool %tmp, int -1, int 0
164 int %test20(int %x) {
165 %tmp = setlt int %x, 0
166 %retval = select bool %tmp, int -1, int 0