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1// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple \2// RUN: dxil-pc-shadermodel6.3-compute %s \3// RUN: -emit-llvm -disable-llvm-passes -o - | FileCheck %s4 5// CHECK: %__cblayout_CB = type <{6// CHECK-SAME: target("dx.Padding", 16),7// CHECK-SAME: float,8// CHECK-SAME: target("dx.Padding", 68),9// CHECK-SAME: <2 x i32>,10// CHECK-SAME target("dx.Padding", 72),11// CHECK-SAME: double12// CHECK-SAME: }>13// CHECK: %__cblayout_CB_1 = type <{14// CHECK-SAME: target("dx.Padding", 80),15// CHECK-SAME: <2 x float>,16// CHECK-SAME: float17// CHECK-SAME: }>18 19// CHECK-DAG: @CB.cb = global target("dx.CBuffer", %__cblayout_CB)20// CHECK-DAG: @a = external hidden addrspace(2) global float, align 421// CHECK-DAG: @b = external hidden addrspace(2) global double, align 822// CHECK-DAG: @c = external hidden addrspace(2) global <2 x i32>, align 823// CHECK: @CB.str = private unnamed_addr constant [3 x i8] c"CB\00", align 124 25cbuffer CB : register(b1, space3) {26 float a : packoffset(c1.x);27 double b : packoffset(c10.z);28 int2 c : packoffset(c5.z);29}30 31// CHECK-DAG: @CB.cb.1 = global target("dx.CBuffer", %__cblayout_CB_1)32// CHECK-DAG: @x = external hidden addrspace(2) global float, align 433// CHECK-DAG: @y = external hidden addrspace(2) global <2 x float>, align 834 35// Missing packoffset annotation will produce a warning.36// Element x will be placed after the element y that has an explicit packoffset.37cbuffer CB : register(b0) {38 float x;39 float2 y : packoffset(c5);40}41 42// CHECK: define internal void @_init_buffer_CB.cb()43// CHECK-NEXT: entry:44// CHECK-NEXT: %CB.cb_h = call target("dx.CBuffer", %__cblayout_CB) @llvm.dx.resource.handlefrombinding.tdx.CBuffer_s___cblayout_CBst(i32 3, i32 1, i32 1, i32 0, ptr @CB.str)45 46float foo() {47 // CHECK: load float, ptr addrspace(2) @a, align 448 // CHECK: load double, ptr addrspace(2) @b, align 849 return a + b;50}51// CHECK: define internal void @_GLOBAL__sub_I_cbuffer_with_packoffset.hlsl()52// CHECK-NEXT: entry:53// CHECK-NEXT: call void @_init_buffer_CB.cb()54 55[numthreads(4,1,1)]56void main() {57 foo();58}59 60// CHECK: !hlsl.cbs = !{![[CB1:[0-9]+]], ![[CB2:[0-9]+]]}61// CHECK: ![[CB1]] = !{ptr @CB.cb, ptr addrspace(2) @a, ptr addrspace(2) @c, ptr addrspace(2) @b}62// CHECK: ![[CB2]] = !{ptr @CB.cb.1, ptr addrspace(2) @y, ptr addrspace(2) @x}63