1; RUN: opt < %s -instcombine -S | FileCheck %s
2
3target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
4target triple = "powerpc64-unknown-linux-gnu"
5
6; These tests are extracted from bitcast.ll.
7; Verify that they also work correctly on big-endian targets.
8
9define float @test2(<2 x float> %A, <2 x i32> %B) {
10  %tmp28 = bitcast <2 x float> %A to i64  ; <i64> [#uses=2]
11  %tmp23 = trunc i64 %tmp28 to i32                ; <i32> [#uses=1]
12  %tmp24 = bitcast i32 %tmp23 to float            ; <float> [#uses=1]
13
14  %tmp = bitcast <2 x i32> %B to i64
15  %tmp2 = trunc i64 %tmp to i32                ; <i32> [#uses=1]
16  %tmp4 = bitcast i32 %tmp2 to float            ; <float> [#uses=1]
17
18  %add = fadd float %tmp24, %tmp4
19  ret float %add
20
21; CHECK-LABEL: @test2(
22; CHECK-NEXT:  %tmp24 = extractelement <2 x float> %A, i32 1
23; CHECK-NEXT:  bitcast <2 x i32> %B to <2 x float>
24; CHECK-NEXT:  %tmp4 = extractelement <2 x float> {{.*}}, i32 1
25; CHECK-NEXT:  %add = fadd float %tmp24, %tmp4
26; CHECK-NEXT:  ret float %add
27}
28
29define float @test3(<2 x float> %A, <2 x i64> %B) {
30  %tmp28 = bitcast <2 x float> %A to i64
31  %tmp29 = lshr i64 %tmp28, 32
32  %tmp23 = trunc i64 %tmp29 to i32
33  %tmp24 = bitcast i32 %tmp23 to float
34
35  %tmp = bitcast <2 x i64> %B to i128
36  %tmp1 = lshr i128 %tmp, 64
37  %tmp2 = trunc i128 %tmp1 to i32
38  %tmp4 = bitcast i32 %tmp2 to float
39
40  %add = fadd float %tmp24, %tmp4
41  ret float %add
42
43; CHECK-LABEL: @test3(
44; CHECK-NEXT:  %tmp24 = extractelement <2 x float> %A, i32 0
45; CHECK-NEXT:  bitcast <2 x i64> %B to <4 x float>
46; CHECK-NEXT:  %tmp4 = extractelement <4 x float> {{.*}}, i32 1
47; CHECK-NEXT:  %add = fadd float %tmp24, %tmp4
48; CHECK-NEXT:  ret float %add
49}
50
51define <2 x i32> @test4(i32 %A, i32 %B){
52  %tmp38 = zext i32 %A to i64
53  %tmp32 = zext i32 %B to i64
54  %tmp33 = shl i64 %tmp32, 32
55  %ins35 = or i64 %tmp33, %tmp38
56  %tmp43 = bitcast i64 %ins35 to <2 x i32>
57  ret <2 x i32> %tmp43
58  ; CHECK-LABEL: @test4(
59  ; CHECK-NEXT: insertelement <2 x i32> undef, i32 %B, i32 0
60  ; CHECK-NEXT: insertelement <2 x i32> {{.*}}, i32 %A, i32 1
61  ; CHECK-NEXT: ret <2 x i32>
62
63}
64
65define <2 x float> @test5(float %A, float %B) {
66  %tmp37 = bitcast float %A to i32
67  %tmp38 = zext i32 %tmp37 to i64
68  %tmp31 = bitcast float %B to i32
69  %tmp32 = zext i32 %tmp31 to i64
70  %tmp33 = shl i64 %tmp32, 32
71  %ins35 = or i64 %tmp33, %tmp38
72  %tmp43 = bitcast i64 %ins35 to <2 x float>
73  ret <2 x float> %tmp43
74  ; CHECK-LABEL: @test5(
75  ; CHECK-NEXT: insertelement <2 x float> undef, float %B, i32 0
76  ; CHECK-NEXT: insertelement <2 x float> {{.*}}, float %A, i32 1
77  ; CHECK-NEXT: ret <2 x float>
78}
79
80define <2 x float> @test6(float %A){
81  %tmp23 = bitcast float %A to i32              ; <i32> [#uses=1]
82  %tmp24 = zext i32 %tmp23 to i64                 ; <i64> [#uses=1]
83  %tmp25 = shl i64 %tmp24, 32                     ; <i64> [#uses=1]
84  %mask20 = or i64 %tmp25, 1109917696             ; <i64> [#uses=1]
85  %tmp35 = bitcast i64 %mask20 to <2 x float>     ; <<2 x float>> [#uses=1]
86  ret <2 x float> %tmp35
87; CHECK-LABEL: @test6(
88; CHECK-NEXT: insertelement <2 x float> undef, float %A, i32 0
89; CHECK-NEXT: insertelement <2 x float> {{.*}}, float 4.200000e+01, i32 1
90; CHECK: ret
91}
92
93; Verify that 'xor' of vector and constant is done as a vector bitwise op before the bitcast.
94
95define <2 x i32> @xor_bitcast_vec_to_vec(<1 x i64> %a) {
96  %t1 = bitcast <1 x i64> %a to <2 x i32>
97  %t2 = xor <2 x i32> <i32 1, i32 2>, %t1
98  ret <2 x i32> %t2
99
100; CHECK-LABEL: @xor_bitcast_vec_to_vec(
101; CHECK-NEXT:  %t21 = xor <1 x i64> %a, <i64 4294967298>
102; CHECK-NEXT:  %t2 = bitcast <1 x i64> %t21 to <2 x i32>
103; CHECK-NEXT:  ret <2 x i32> %t2
104}
105
106; Verify that 'and' of integer and constant is done as a vector bitwise op before the bitcast.
107
108define i64 @and_bitcast_vec_to_int(<2 x i32> %a) {
109  %t1 = bitcast <2 x i32> %a to i64
110  %t2 = and i64 %t1, 3
111  ret i64 %t2
112
113; CHECK-LABEL: @and_bitcast_vec_to_int(
114; CHECK-NEXT:  %t21 = and <2 x i32> %a, <i32 0, i32 3>
115; CHECK-NEXT:  %t2 = bitcast <2 x i32> %t21 to i64
116; CHECK-NEXT:  ret i64 %t2
117}
118
119; Verify that 'or' of vector and constant is done as an integer bitwise op before the bitcast.
120
121define <2 x i32> @or_bitcast_int_to_vec(i64 %a) {
122  %t1 = bitcast i64 %a to <2 x i32>
123  %t2 = or <2 x i32> %t1, <i32 1, i32 2>
124  ret <2 x i32> %t2
125
126; CHECK-LABEL: @or_bitcast_int_to_vec(
127; CHECK-NEXT:  %t21 = or i64 %a, 4294967298
128; CHECK-NEXT:  %t2 = bitcast i64 %t21 to <2 x i32>
129; CHECK-NEXT:  ret <2 x i32> %t2
130}
131
132