882082ae40
If these are constants their initializers will be removed by InstCombine. Change them to not be constants and initialize them with poison.
52 lines
2.0 KiB
HLSL
52 lines
2.0 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 <{ float, double, <2 x i32> }>
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// CHECK: %__cblayout_CB_1 = type <{ float, <2 x float> }>
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// CHECK: @CB.cb = global target("dx.CBuffer", target("dx.Layout", %__cblayout_CB, 176, 16, 168, 88))
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// CHECK: @a = external addrspace(2) global float, align 4
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// CHECK: @b = external addrspace(2) global double, align 8
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// CHECK: @c = external addrspace(2) global <2 x i32>, align 8
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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: @CB.cb.1 = global target("dx.CBuffer", target("dx.Layout", %__cblayout_CB_1, 92, 88, 80))
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// CHECK: @x = external addrspace(2) global float, align 4
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// CHECK: @y = external addrspace(2) global <2 x float>, align 8
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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_resource_CB.cb()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %CB.cb_h = call target("dx.CBuffer", target("dx.Layout", %__cblayout_CB, 176, 16, 168, 88))
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// CHECK-SAME: @llvm.dx.resource.handlefrombinding.tdx.CBuffer_tdx.Layout_s___cblayout_CBs_176_16_168_88tt(i32 3, i32 1, i32 1, i32 0, i1 false)
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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: call void @_init_resource_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) @b, ptr addrspace(2) @c}
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// CHECK: ![[CB2]] = !{ptr @CB.cb.1, ptr addrspace(2) @x, ptr addrspace(2) @y}
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