4ae7348513
This isn't reachable today but will come into play once we reorder passes for #147352 and #147351. Note that the `CBufferRowIntrin` helper struct is copied from the `DXILCBufferAccess` pass, but it will be removed from there when we simplify that pass in #147351
65 lines
2.6 KiB
LLVM
65 lines
2.6 KiB
LLVM
; RUN: opt -S -dxil-resource-access -mtriple=dxil %s | FileCheck %s
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;
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; Tests for indexed types in dynamically indexed arrays in cbuffers.
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;
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; Bug https://github.com/llvm/llvm-project/issues/164517
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; XFAIL: *
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;
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; struct S {
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; float x[2];
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; uint q;
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; };
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; cbuffer CB : register(b0) {
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; uint32_t3 w[3]; // offset 0, size 12 (+4) * 3
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; S v[3]; // offset 48, size 24 (+8) * 3
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; }
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%S = type <{ <{ [1 x <{ float, target("dx.Padding", 12) }>], float }>, i32 }>
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%__cblayout_CB = type <{
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<{
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[2 x <{ <3 x i32>, target("dx.Padding", 4) }>],
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<3 x i32>
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}>,
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target("dx.Padding", 4),
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<{
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[2 x <{ %S, target("dx.Padding", 8) }>], %S
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}>
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}>
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@CB.cb = local_unnamed_addr global target("dx.CBuffer", %__cblayout_CB) poison
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; CHECK: define void @f
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define void @f(ptr %dst, i32 %idx) {
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entry:
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%CB.cb_h = tail call target("dx.CBuffer", %__cblayout_CB) @llvm.dx.resource.handlefromimplicitbinding(i32 1, i32 0, i32 1, i32 0, ptr null)
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store target("dx.CBuffer", %__cblayout_CB) %CB.cb_h, ptr @CB.cb, align 4
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; CHECK: [[CB:%.*]] = load target("dx.CBuffer", %__cblayout_CB), ptr @CB.cb
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%CB.cb = load target("dx.CBuffer", %__cblayout_CB), ptr @CB.cb, align 4
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;; w[idx].z
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;
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; CHECK: [[LOAD:%.*]] = call { i32, i32, i32, i32 } @llvm.dx.resource.load.cbufferrow.4.{{.*}}(target("dx.CBuffer", %__cblayout_CB) [[CB]], i32 %idx)
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; CHECK: [[X:%.*]] = extractvalue { i32, i32, i32, i32 } [[LOAD]], 2
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; CHECK: store i32 [[X]], ptr %dst
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%w_ptr = call ptr addrspace(2) @llvm.dx.resource.getpointer(target("dx.CBuffer", %__cblayout_CB) %CB.cb, i32 0)
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%w_arrayidx = getelementptr <3 x i32>, ptr addrspace(2) %w_ptr, i32 %idx
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%w_gep = getelementptr inbounds nuw i8, ptr addrspace(2) %w_arrayidx, i32 4
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%w_load = load i32, ptr addrspace(2) %w_gep, align 4
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store i32 %w_load, ptr %dst, align 4
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;; v[idx].q
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;
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; CHECK: [[LOAD:%.*]] = call { i32, i32, i32, i32 } @llvm.dx.resource.load.cbufferrow.4.{{.*}}(target("dx.CBuffer", %__cblayout_CB) [[CB]], i32 %idx)
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; CHECK: [[X:%.*]] = extractvalue { i32, i32, i32, i32 } [[LOAD]], 1
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; CHECK: [[PTR:%.*]] = getelementptr inbounds nuw i8, ptr %dst, i32 4
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; CHECK: store i32 [[X]], ptr [[PTR]]
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%v_ptr = call ptr addrspace(2) @llvm.dx.resource.getpointer(target("dx.CBuffer", %__cblayout_CB) %CB.cb, i32 48)
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%v_arrayidx = getelementptr <{ %struct.S, target("dx.Padding", 4) }>, ptr addrspace(2) %v_ptr, i32 %idx
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%v_gep = getelementptr inbounds nuw i8, ptr addrspace(2) %v_arrayidx, i32 8
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%v_load = load i32, ptr addrspace(2) %v_gep, align 4
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%v.i = getelementptr inbounds nuw i8, ptr %dst, i32 4
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store i32 %v_load, ptr %v.i, align 4
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ret void
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}
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