derek.holloway
7502bf64a4
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50 lines
2.2 KiB
LLVM
50 lines
2.2 KiB
LLVM
; RUN: opt -S -dxil-resource-access -mtriple=dxil %s | FileCheck %s
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;
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; Test for when we have indices into both the array and the vector: ie, s[1][3]
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; cbuffer CB : register(b0) {
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; uint4 s[3]; // offset 0, size 16 * 3
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; }
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%__cblayout_CB = type <{ [2 x <4 x i32>] }>
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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) {
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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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;; s[1][3]
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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 1)
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; CHECK: [[X:%.*]] = extractvalue { i32, i32, i32, i32 } [[LOAD]], 3
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; CHECK: store i32 [[X]], ptr %dst
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%i8_ptr = call ptr addrspace(2) @llvm.dx.resource.getpointer(target("dx.CBuffer", %__cblayout_CB) %CB.cb, i32 0)
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%i8_gep = getelementptr inbounds nuw i8, ptr addrspace(2) %i8_ptr, i32 28
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%i8_vecext = load i32, ptr addrspace(2) %i8_gep, align 4
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store i32 %i8_vecext, ptr %dst, align 4
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;; s[2].w
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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 2)
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; CHECK: [[X:%.*]] = extractvalue { i32, i32, i32, i32 } [[LOAD]], 3
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;;
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;; It would be nice to avoid the redundant vector creation here, but that's
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;; outside of the scope of this pass.
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;;
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; CHECK: [[X_VEC:%.*]] = insertelement <4 x i32> {{%.*}}, i32 [[X]], i32 3
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; CHECK: [[X_EXT:%.*]] = extractelement <4 x i32> [[X_VEC]], i32 3
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; CHECK: store i32 [[X_EXT]], ptr %dst
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%typed_ptr = call ptr addrspace(2) @llvm.dx.resource.getpointer(target("dx.CBuffer", %__cblayout_CB) %CB.cb, i32 0)
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%typed_gep = getelementptr <4 x i32>, ptr addrspace(2) %typed_ptr, i32 2
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%typed_load = load <4 x i32>, ptr addrspace(2) %typed_gep, align 16
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%typed_vecext = extractelement <4 x i32> %typed_load, i32 3
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store i32 %typed_vecext, ptr %dst, align 4
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ret void
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}
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