derek.holloway
7502bf64a4
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46 lines
1.8 KiB
LLVM
46 lines
1.8 KiB
LLVM
; RUN: opt -S -dxil-cbuffer-access -mtriple=dxil--shadermodel6.3-library %s | FileCheck %s
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; cbuffer CB {
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; float a1; // offset 0, size 4
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; int a2; // offset 4, size 4
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; bool a3; // offset 8, size 4
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; }
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%__cblayout_CB = type <{ float, i32, i32 }>
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@CB.cb = local_unnamed_addr global target("dx.CBuffer", %__cblayout_CB) poison
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; CHECK: @CB.cb =
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; CHECK-NOT: external {{.*}} addrspace(2) global
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@a1 = external local_unnamed_addr addrspace(2) global float, align 4
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@a2 = external local_unnamed_addr addrspace(2) global i32, align 4
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@a3 = external local_unnamed_addr addrspace(2) global i32, align 4
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; CHECK: define void @f
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define void @f(ptr %dst) {
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entry:
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%CB.cb_h.i.i = tail call target("dx.CBuffer", %__cblayout_CB) @llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 1, i32 0, ptr null)
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store target("dx.CBuffer", %__cblayout_CB) %CB.cb_h.i.i, ptr @CB.cb, align 4
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; CHECK: call ptr addrspace(2) @llvm.dx.resource.getpointer.{{.*}}(target("dx.CBuffer", %__cblayout_CB) {{%.*}}, i32 0)
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%a1 = load float, ptr addrspace(2) @a1, align 4
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store float %a1, ptr %dst, align 8
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; CHECK: call ptr addrspace(2) @llvm.dx.resource.getpointer.{{.*}}(target("dx.CBuffer", %__cblayout_CB) {{%.*}}, i32 4)
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%a2 = load i32, ptr addrspace(2) @a2, align 4
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%a2.i = getelementptr inbounds nuw i8, ptr %dst, i32 4
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store i32 %a2, ptr %a2.i, align 4
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; CHECK: call ptr addrspace(2) @llvm.dx.resource.getpointer.{{.*}}(target("dx.CBuffer", %__cblayout_CB) {{%.*}}, i32 8)
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%a3 = load i32, ptr addrspace(2) @a3, align 4, !range !1, !noundef !2
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%a3.i = getelementptr inbounds nuw i8, ptr %dst, i32 8
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store i32 %a3, ptr %a3.i, align 8
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ret void
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}
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; CHECK-NOT: !hlsl.cbs =
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!hlsl.cbs = !{!0}
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!0 = !{ptr @CB.cb, ptr addrspace(2) @a1, ptr addrspace(2) @a2, ptr addrspace(2) @a3}
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!1 = !{i32 0, i32 2}
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!2 = !{}
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