xref: /llvm-project/clang/test/CodeGenHLSL/BasicFeatures/standard_conversion_sequences.hlsl (revision 762f1b17b2815ccdfb4e5cb5412cb6210db92f73)
1// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
2
3// CHECK-LABEL: f3_to_d4
4// CHECK: [[f3:%.*]] = alloca <3 x float>
5// CHECK: [[d4:%.*]] = alloca <4 x double>
6// CHECK: store <3 x float> splat (float 1.000000e+00), ptr [[f3]]
7// CHECK: [[vecf3:%.*]] = load <3 x float>, ptr [[f3]]
8// CHECK: [[vecf4:%.*]] = shufflevector <3 x float> [[vecf3]], <3 x float> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 0>
9// CHECK: [[vecd4:%.*]] = fpext reassoc nnan ninf nsz arcp afn <4 x float> [[vecf4]] to <4 x double>
10// CHECK: store <4 x double> [[vecd4]], ptr [[d4]]
11void f3_to_d4() {
12  vector<float,3> f3 = 1.0;
13  vector<double,4> d4 = f3.xyzx;
14}
15
16// CHECK-LABEL: f3_to_f2
17// CHECK: [[f3:%.*]] = alloca <3 x float>
18// CHECK: [[f2:%.*]] = alloca <2 x float>
19// CHECK: store <3 x float> splat (float 2.000000e+00), ptr [[f3]]
20// CHECK: [[vecf3:%.*]] = load <3 x float>, ptr [[f3]]
21// CHECK: [[vecf2:%.*]] = shufflevector <3 x float> [[vecf3]], <3 x float> poison, <2 x i32> <i32 0, i32 1>
22// CHECK: store <2 x float> [[vecf2]], ptr [[f2]]
23void f3_to_f2() {
24  vector<float,3> f3 = 2.0;
25  vector<float,2> f2 = f3;
26}
27
28// CHECK-LABEL: d4_to_f2
29// CHECK: [[d4:%.*]] = alloca <4 x double>
30// CHECK: [[f2:%.*]] = alloca <2 x float>
31// CHECK: store <4 x double> splat (double 3.000000e+00), ptr [[d4]]
32// CHECK: [[vecd4:%.*]] = load <4 x double>, ptr [[d4]]
33// CHECK: [[vecf4:%.*]] = fptrunc reassoc nnan ninf nsz arcp afn <4 x double> [[vecd4]] to <4 x float>
34// CHECK: [[vecf2:%.*]] = shufflevector <4 x float> [[vecf4]], <4 x float> poison, <2 x i32> <i32 0, i32 1>
35// CHECK: store <2 x float> [[vecf2]], ptr [[f2]]
36void d4_to_f2() {
37  vector<double,4> d4 = 3.0;
38  vector<float,2> f2 = d4;
39}
40
41// CHECK-LABEL: f2_to_i2
42// CHECK: [[f2:%.*]] = alloca <2 x float>
43// CHECK: [[i2:%.*]] = alloca <2 x i32>
44// CHECK: store <2 x float> splat (float 4.000000e+00), ptr [[f2]]
45// CHECK: [[vecf2:%.*]] = load <2 x float>, ptr [[f2]]
46// CHECK: [[veci2:%.*]] = fptosi <2 x float> [[vecf2]] to <2 x i32>
47// CHECK: store <2 x i32> [[veci2]], ptr [[i2]]
48void f2_to_i2() {
49  vector<float,2> f2 = 4.0;
50  vector<int,2> i2 = f2;
51}
52
53// CHECK-LABEL: d4_to_i2
54// CHECK: [[f4:%.*]] = alloca <4 x double>
55// CHECK: [[i2:%.*]] = alloca <2 x i32>
56// CHECK: store <4 x double> splat (double 5.000000e+00), ptr [[d4]]
57// CHECK: [[vecd4:%.*]] = load <4 x double>, ptr [[d4]]
58// CHECK: [[veci4:%.*]] = fptosi <4 x double> [[vecd4]] to <4 x i32>
59// CHECK: [[veci2:%.*]] = shufflevector <4 x i32> [[veci4]], <4 x i32> poison, <2 x i32> <i32 0, i32 1>
60// CHECK: store <2 x i32> [[veci2]], ptr [[i2]]
61void d4_to_i2() {
62  vector<double,4> d4 = 5.0;
63  vector<int,2> i2 = d4;
64}
65
66// CHECK-LABEL: d4_to_l4
67// CHECK: [[d4:%.*]] = alloca <4 x double>
68// CHECK: [[l4:%.*]] = alloca <4 x i64>
69// CHECK: store <4 x double> splat (double 6.000000e+00), ptr [[d4]]
70// CHECK: [[vecd4:%.*]] = load <4 x double>, ptr [[d4]]
71// CHECK: [[vecl4:%.*]] = fptosi <4 x double> [[vecd4]] to <4 x i64>
72// CHECK: store <4 x i64> [[vecl4]], ptr [[l4]]
73void d4_to_l4() {
74  vector<double,4> d4 = 6.0;
75  vector<long,4> l4 = d4;
76}
77
78
79// CHECK-LABEL: l4_to_i2
80// CHECK: [[l4:%.*]] = alloca <4 x i64>
81// CHECK: [[i2:%.*]] = alloca <2 x i32>
82// CHECK: store <4 x i64> splat (i64 7), ptr [[l4]]
83// CHECK: [[vecl4:%.*]] = load <4 x i64>, ptr [[l4]]
84// CHECK: [[veci4:%.*]] = trunc <4 x i64> [[vecl4]] to <4 x i32>
85// CHECK: [[veci2:%.*]] = shufflevector <4 x i32> [[veci4]], <4 x i32> poison, <2 x i32> <i32 0, i32 1>
86// CHECK: store <2 x i32> [[veci2]], ptr [[i2]]
87void l4_to_i2() {
88  vector<long, 4> l4 = 7;
89  vector<int,2> i2 = l4;
90}
91
92// CHECK-LABEL: i2_to_b2
93// CHECK: [[l2:%.*]] = alloca <2 x i32>
94// CHECK: [[b2:%.*]] = alloca i8
95// CHECK: store <2 x i32> splat (i32 8), ptr [[i2]]
96// CHECK: [[veci2:%.*]] = load <2 x i32>, ptr [[i2]]
97// CHECK: [[vecb2:%.*]] = icmp ne <2 x i32> [[veci2]], zeroinitializer
98// CHECK: [[vecb8:%.*]] = shufflevector <2 x i1> [[vecb2]], <2 x i1> poison, <8 x i32> <i32 0, i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
99// CHECK: [[i8:%.*]] = bitcast <8 x i1> [[vecb8]] to i8
100// CHECK: store i8 [[i8]], ptr [[b2]]
101void i2_to_b2() {
102  vector<int, 2> i2 = 8;
103  vector<bool, 2> b2 = i2;
104}
105
106// CHECK-LABEL: d4_to_b2
107// CHECK: [[d4:%.*]] = alloca <4 x double>
108// CHECK: [[b2:%.*]] = alloca i8
109// CHECK: store <4 x double> splat (double 9.000000e+00), ptr [[d4]]
110// CHECK: [[vecd4:%.*]] = load <4 x double>, ptr [[d4]]
111// CHECK: [[vecb4:%.*]] = fcmp reassoc nnan ninf nsz arcp afn une <4 x double> [[vecd4]], zeroinitializer
112// CHECK: [[vecd2:%.*]] = shufflevector <4 x i1> [[vecb4]], <4 x i1> poison, <2 x i32> <i32 0, i32 1>
113// CHECK: [[vecb8:%.*]] = shufflevector <2 x i1> [[vecd2]], <2 x i1> poison, <8 x i32> <i32 0, i32 1, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
114// CHECK: [[i8:%.*]] = bitcast <8 x i1> [[vecb8]] to i8
115// CHECK: store i8 [[i8]], ptr [[b2]]
116void d4_to_b2() {
117  vector<double,4> d4 = 9.0;
118  vector<bool, 2> b2 = d4;
119}
120
121// CHECK-LABEL: d4_to_d1
122// CHECK: [[d4:%.*]] = alloca <4 x double>
123// CHECK: [[d1:%.*]] = alloca <1 x double>
124// CHECK: store <4 x double> splat (double 9.000000e+00), ptr [[d4]]
125// CHECK: [[vecd4:%.*]] = load <4 x double>, ptr [[d4]]
126// CHECK: [[vecd1:%.*]] = shufflevector <4 x double> [[vecd4]], <4 x double> poison, <1 x i32> zeroinitializer
127// CHECK: store <1 x double> [[vecd1]], ptr [[d1:%.*]], align 8
128void d4_to_d1() {
129  vector<double,4> d4 = 9.0;
130  vector<double,1> d1 = d4;
131}
132
133// CHECK-LABEL: d4_to_dScalar
134// CHECK: [[d4:%.*]] = alloca <4 x double>
135// CHECK: [[d:%.*]] = alloca double
136// CHECK: store <4 x double> splat (double 9.000000e+00), ptr [[d4]]
137// CHECK: [[vecd4:%.*]] = load <4 x double>, ptr [[d4]]
138// CHECK: [[d4x:%.*]] = extractelement <4 x double> [[vecd4]], i32 0
139// CHECK: store double [[d4x]], ptr [[d]]
140void d4_to_dScalar() {
141  vector<double,4> d4 = 9.0;
142  double d = d4;
143}
144