bb88fd171a
In the DXIL CreateHandle and CreateHandleFromBinding ops, resource bindings are indexed from the beginning of the binding space, not from the binding itself. Translate from an index into the binding to one from the beginning of the space when lowering to these operations.
73 lines
3.5 KiB
LLVM
73 lines
3.5 KiB
LLVM
; RUN: opt -S -passes=dxil-op-lower,dxil-translate-metadata %s | FileCheck %s
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; RUN: opt -S -passes=dxil-pretty-printer %s 2>&1 >/dev/null | FileCheck --check-prefix=CHECK-PRETTY %s
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; CHECK-PRETTY: Type Format Dim ID HLSL Bind Count
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; CHECK-PRETTY: ---------- ------- ----------- ------- -------------- ---------
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; CHECK-PRETTY: SRV f32 buf T0 t7 unbounded
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; CHECK-PRETTY: SRV byte r/o T1 t8,space1 1
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; CHECK-PRETTY: SRV struct r/o T2 t2,space4 1
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; CHECK-PRETTY: SRV u32 buf T3 t3,space5 24
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; CHECK-PRETTY: UAV i32 buf U0 u7,space2 1
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; CHECK-PRETTY: UAV f32 buf U1 u5,space3 1
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target triple = "dxil-pc-shadermodel6.0-compute"
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declare i32 @some_val();
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define void @test_buffers() {
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; RWBuffer<float4> Buf : register(u5, space3)
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%typed0 = call target("dx.TypedBuffer", <4 x float>, 1, 0, 0)
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@llvm.dx.handle.fromBinding.tdx.TypedBuffer_v4f32_1_0_0(
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i32 3, i32 5, i32 1, i32 0, i1 false)
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; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 1, i32 5, i1 false)
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; CHECK-NOT: @llvm.dx.cast.handle
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; RWBuffer<int> Buf : register(u7, space2)
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%typed1 = call target("dx.TypedBuffer", i32, 1, 0, 1)
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@llvm.dx.handle.fromBinding.tdx.TypedBuffer_i32_1_0_1t(
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i32 2, i32 7, i32 1, i32 0, i1 false)
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; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 0, i32 7, i1 false)
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; Buffer<uint4> Buf[24] : register(t3, space5)
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; Buffer<uint4> typed2 = Buf[4]
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; Note that the index below is 3 + 4 = 7
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%typed2 = call target("dx.TypedBuffer", <4 x i32>, 0, 0, 0)
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@llvm.dx.handle.fromBinding.tdx.TypedBuffer_i32_0_0_0t(
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i32 5, i32 3, i32 24, i32 4, i1 false)
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; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 0, i32 3, i32 7, i1 false)
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; struct S { float4 a; uint4 b; };
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; StructuredBuffer<S> Buf : register(t2, space4)
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%struct0 = call target("dx.RawBuffer", {<4 x float>, <4 x i32>}, 0, 0)
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@llvm.dx.handle.fromBinding.tdx.RawBuffer_sl_v4f32v4i32s_0_0t(
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i32 4, i32 2, i32 1, i32 0, i1 true)
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; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 0, i32 2, i32 2, i1 true)
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; ByteAddressBuffer Buf : register(t8, space1)
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%byteaddr0 = call target("dx.RawBuffer", i8, 0, 0)
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@llvm.dx.handle.fromBinding.tdx.RawBuffer_i8_0_0t(
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i32 1, i32 8, i32 1, i32 0, i1 false)
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; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 0, i32 1, i32 8, i1 false)
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; Buffer<float4> Buf[] : register(t7)
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; Buffer<float4> typed3 = Buf[ix]
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%typed3_ix = call i32 @some_val()
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%typed3 = call target("dx.TypedBuffer", <4 x float>, 0, 0, 0)
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@llvm.dx.handle.fromBinding.tdx.TypedBuffer_v4f32_0_0_0t(
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i32 0, i32 7, i32 -1, i32 %typed3_ix, i1 false)
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; CHECK: %[[IX:.*]] = add i32 %typed3_ix, 7
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; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 0, i32 0, i32 %[[IX]], i1 false)
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ret void
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}
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; Just check that we have the right types and number of metadata nodes, the
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; contents of the metadata are tested elsewhere.
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;
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; CHECK: !dx.resources = !{[[RESMD:![0-9]+]]}
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; CHECK: [[RESMD]] = !{[[SRVMD:![0-9]+]], [[UAVMD:![0-9]+]], null, null}
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; CHECK-DAG: [[SRVMD]] = !{!{{[0-9]+}}, !{{[0-9]+}}, !{{[0-9]+}}, !{{[0-9]+}}}
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; CHECK-DAG: [[UAVMD]] = !{!{{[0-9]+}}, !{{[0-9]+}}}
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attributes #0 = { nocallback nofree nosync nounwind willreturn memory(none) }
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