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; RUN: opt -S -dxil-resource-access -mtriple=dxil %s | FileCheck %s
;
; Tests for indexed types in dynamically indexed arrays in cbuffers.
;
; Bug https://github.com/llvm/llvm-project/issues/164517
; XFAIL: *
;
; struct S {
; float x[2];
; uint q;
; };
; cbuffer CB : register(b0) {
; uint32_t3 w[3]; // offset 0, size 12 (+4) * 3
; S v[3]; // offset 48, size 24 (+8) * 3
; }
%S = type <{ <{ [1 x <{ float, target("dx.Padding", 12) }>], float }>, i32 }>
%__cblayout_CB = type <{
<{
[2 x <{ <3 x i32>, target("dx.Padding", 4) }>],
<3 x i32>
}>,
target("dx.Padding", 4),
<{
[2 x <{ %S, target("dx.Padding", 8) }>], %S
}>
}>
@CB.cb = local_unnamed_addr global target("dx.CBuffer", %__cblayout_CB) poison
; CHECK: define void @f
define void @f(ptr %dst, i32 %idx) {
entry:
%CB.cb_h = tail call target("dx.CBuffer", %__cblayout_CB) @llvm.dx.resource.handlefromimplicitbinding(i32 1, i32 0, i32 1, i32 0, ptr null)
store target("dx.CBuffer", %__cblayout_CB) %CB.cb_h, ptr @CB.cb, align 4
; CHECK: [[CB:%.*]] = load target("dx.CBuffer", %__cblayout_CB), ptr @CB.cb
%CB.cb = load target("dx.CBuffer", %__cblayout_CB), ptr @CB.cb, align 4
;; w[idx].z
;
; CHECK: [[LOAD:%.*]] = call { i32, i32, i32, i32 } @llvm.dx.resource.load.cbufferrow.4.{{.*}}(target("dx.CBuffer", %__cblayout_CB) [[CB]], i32 %idx)
; CHECK: [[X:%.*]] = extractvalue { i32, i32, i32, i32 } [[LOAD]], 2
; CHECK: store i32 [[X]], ptr %dst
%w_ptr = call ptr addrspace(2) @llvm.dx.resource.getpointer(target("dx.CBuffer", %__cblayout_CB) %CB.cb, i32 0)
%w_arrayidx = getelementptr <3 x i32>, ptr addrspace(2) %w_ptr, i32 %idx
%w_gep = getelementptr inbounds nuw i8, ptr addrspace(2) %w_arrayidx, i32 4
%w_load = load i32, ptr addrspace(2) %w_gep, align 4
store i32 %w_load, ptr %dst, align 4
;; v[idx].q
;
; CHECK: [[LOAD:%.*]] = call { i32, i32, i32, i32 } @llvm.dx.resource.load.cbufferrow.4.{{.*}}(target("dx.CBuffer", %__cblayout_CB) [[CB]], i32 %idx)
; CHECK: [[X:%.*]] = extractvalue { i32, i32, i32, i32 } [[LOAD]], 1
; CHECK: [[PTR:%.*]] = getelementptr inbounds nuw i8, ptr %dst, i32 4
; CHECK: store i32 [[X]], ptr [[PTR]]
%v_ptr = call ptr addrspace(2) @llvm.dx.resource.getpointer(target("dx.CBuffer", %__cblayout_CB) %CB.cb, i32 48)
%v_arrayidx = getelementptr <{ %struct.S, target("dx.Padding", 4) }>, ptr addrspace(2) %v_ptr, i32 %idx
%v_gep = getelementptr inbounds nuw i8, ptr addrspace(2) %v_arrayidx, i32 8
%v_load = load i32, ptr addrspace(2) %v_gep, align 4
%v.i = getelementptr inbounds nuw i8, ptr %dst, i32 4
store i32 %v_load, ptr %v.i, align 4
ret void
}
|
