xref: /llvm-project/clang/test/AST/HLSL/packoffset.hlsl (revision d92bac8a3ebb19106f6bca6b7613a27c52cb48ab) 
1// RUN: %clang_cc1 -triple dxil-unknown-shadermodel6.3-library -S -finclude-default-header -fnative-half-type -ast-dump  -x hlsl %s | FileCheck %s
2
3
4// CHECK: HLSLBufferDecl {{.*}} cbuffer A
5cbuffer A
6{
7    // CHECK-NEXT:-HLSLResourceClassAttr {{.*}} <<invalid sloc>> Implicit CBuffer
8    // CHECK-NEXT:-HLSLResourceAttr {{.*}} <<invalid sloc>> Implicit CBuffer
9    // CHECK-NEXT: VarDecl {{.*}} A1 'hlsl_constant float4'
10    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 0
11    float4 A1 : packoffset(c);
12    // CHECK-NEXT: VarDecl {{.*}} col:11 A2 'hlsl_constant float'
13    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 1 0
14    float A2 : packoffset(c1);
15    // CHECK-NEXT: VarDecl {{.*}} col:11 A3 'hlsl_constant float'
16    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 1 1
17    float A3 : packoffset(c1.y);
18}
19
20// CHECK: HLSLBufferDecl {{.*}} cbuffer B
21cbuffer B
22{
23    // CHECK: VarDecl {{.*}} B0 'hlsl_constant float'
24    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 1
25    float B0 : packoffset(c0.g);
26    // CHECK-NEXT: VarDecl {{.*}} B1 'hlsl_constant double'
27    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 2
28	double B1 : packoffset(c0.b);
29    // CHECK-NEXT: VarDecl {{.*}} B2 'hlsl_constant half'
30    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 0
31	half B2 : packoffset(c0.r);
32}
33
34// CHECK: HLSLBufferDecl {{.*}} cbuffer C
35cbuffer C
36{
37    // CHECK: VarDecl {{.*}} C0 'hlsl_constant float'
38    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 1
39    float C0 : packoffset(c0.y);
40    // CHECK-NEXT: VarDecl {{.*}} C1 'hlsl_constant float2'
41    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 2
42	float2 C1 : packoffset(c0.z);
43    // CHECK-NEXT: VarDecl {{.*}} C2 'hlsl_constant half'
44    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0
45	half C2 : packoffset(c0.x);
46}
47
48
49// CHECK: HLSLBufferDecl {{.*}} cbuffer D
50cbuffer D
51{
52    // CHECK: VarDecl {{.*}} D0 'hlsl_constant float'
53    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 1
54    float D0 : packoffset(c0.y);
55    // CHECK-NEXT: VarDecl {{.*}} D1 'hlsl_constant float[2]'
56    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 1 0
57	float D1[2] : packoffset(c1.x);
58    // CHECK-NEXT: VarDecl {{.*}} D2 'hlsl_constant half3'
59    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 2 1
60	half3 D2 : packoffset(c2.y);
61    // CHECK-NEXT: VarDecl {{.*}} D3 'hlsl_constant double'
62    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 2
63	double D3 : packoffset(c0.z);
64}
65
66struct ST {
67  float a;
68  float2 b;
69  half c;
70};
71
72// CHECK: HLSLBufferDecl {{.*}} cbuffer S
73cbuffer S {
74    // CHECK: VarDecl {{.*}} S0 'hlsl_constant float'
75    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 1
76  float S0 : packoffset(c0.y);
77    // CHECK: VarDecl {{.*}} S1 'hlsl_constant ST'
78    // CHECK: HLSLPackOffsetAttr {{.*}} 1 0
79  ST S1 : packoffset(c1);
80    // CHECK: VarDecl {{.*}} S2 'hlsl_constant double2'
81    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 2 0
82  double2 S2 : packoffset(c2);
83}
84
85struct ST2 {
86  float s0;
87  ST s1;
88  half s2;
89};
90
91// CHECK: HLSLBufferDecl {{.*}} cbuffer S2
92cbuffer S2 {
93    // CHECK: VarDecl {{.*}} S20 'hlsl_constant float'
94    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 0 3
95  float S20 : packoffset(c0.a);
96    // CHECK: VarDecl {{.*}} S21 'hlsl_constant ST2'
97    // CHECK: HLSLPackOffsetAttr {{.*}} 1 0
98  ST2 S21 : packoffset(c1);
99    // CHECK: VarDecl {{.*}} S22 'hlsl_constant half'
100    // CHECK-NEXT: HLSLPackOffsetAttr {{.*}} 3 1
101  half S22 : packoffset(c3.y);
102}
103