derek.holloway
7502bf64a4
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64 lines
2.4 KiB
HLSL
64 lines
2.4 KiB
HLSL
// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple \
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// RUN: dxil-pc-shadermodel6.3-compute %s \
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// RUN: -emit-llvm -disable-llvm-passes -o - | FileCheck %s
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// CHECK: %__cblayout_CB = type <{
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// CHECK-SAME: target("dx.Padding", 16),
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// CHECK-SAME: float,
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// CHECK-SAME: target("dx.Padding", 68),
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// CHECK-SAME: <2 x i32>,
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// CHECK-SAME target("dx.Padding", 72),
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// CHECK-SAME: double
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// CHECK-SAME: }>
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// CHECK: %__cblayout_CB_1 = type <{
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// CHECK-SAME: target("dx.Padding", 80),
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// CHECK-SAME: <2 x float>,
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// CHECK-SAME: float
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// CHECK-SAME: }>
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// CHECK-DAG: @CB.cb = global target("dx.CBuffer", %__cblayout_CB)
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// CHECK-DAG: @a = external hidden addrspace(2) global float, align 4
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// CHECK-DAG: @b = external hidden addrspace(2) global double, align 8
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// CHECK-DAG: @c = external hidden addrspace(2) global <2 x i32>, align 4
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// CHECK: @CB.str = private unnamed_addr constant [3 x i8] c"CB\00", align 1
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cbuffer CB : register(b1, space3) {
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float a : packoffset(c1.x);
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double b : packoffset(c10.z);
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int2 c : packoffset(c5.z);
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}
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// CHECK-DAG: @CB.cb.1 = global target("dx.CBuffer", %__cblayout_CB_1)
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// CHECK-DAG: @x = external hidden addrspace(2) global float, align 4
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// CHECK-DAG: @y = external hidden addrspace(2) global <2 x float>, align 4
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// Missing packoffset annotation will produce a warning.
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// Element x will be placed after the element y that has an explicit packoffset.
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cbuffer CB : register(b0) {
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float x;
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float2 y : packoffset(c5);
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}
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// CHECK: define internal void @_init_buffer_CB.cb()
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// CHECK-NEXT: entry:
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// 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)
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float foo() {
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// CHECK: load float, ptr addrspace(2) @a, align 4
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// CHECK: load double, ptr addrspace(2) @b, align 8
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return a + b;
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}
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// CHECK: define internal void @_GLOBAL__sub_I_cbuffer_with_packoffset.hlsl()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %[[#C_ENTRY:]] = call token @llvm.experimental.convergence.entry()
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// CHECK-NEXT: call void @_init_buffer_CB.cb()
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[numthreads(4,1,1)]
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void main() {
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foo();
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}
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// CHECK: !hlsl.cbs = !{![[CB1:[0-9]+]], ![[CB2:[0-9]+]]}
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// CHECK: ![[CB1]] = !{ptr @CB.cb, ptr addrspace(2) @a, ptr addrspace(2) @c, ptr addrspace(2) @b}
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// CHECK: ![[CB2]] = !{ptr @CB.cb.1, ptr addrspace(2) @y, ptr addrspace(2) @x}
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