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1; RUN: opt -S -dxil-cbuffer-access -mtriple=dxil--shadermodel6.3-library %s | FileCheck %s2 3; cbuffer CB : register(b0) {4; float a1[3]; // offset 0, size 4 (+12) * 35; double3 a2[2]; // offset 48, size 24 (+8) * 26; float16_t a3[2][2]; // offset 112, size 2 (+14) * 47; }8%__cblayout_CB = type <{9 <{ [2 x <{ float, target("dx.Padding", 12) }>], float }>, target("dx.Padding", 12),10 <{ [1 x <{ <3 x double>, target("dx.Padding", 8) }>], <3 x double> }>, target("dx.Padding", 8),11 <{ [3 x <{ half, target("dx.Padding", 14) }>], half }>, target("dx.Padding", 14)12}>13 14@CB.cb = local_unnamed_addr global target("dx.CBuffer", %__cblayout_CB) poison15; CHECK: @CB.cb =16; CHECK-NOT: external {{.*}} addrspace(2) global17@a1 = external local_unnamed_addr addrspace(2) global <{ [2 x <{ float, target("dx.Padding", 12) }>], float }>, align 418@a2 = external local_unnamed_addr addrspace(2) global <{ [1 x <{ <3 x double>, target("dx.Padding", 8) }>], <3 x double> }>, align 3219@a3 = external local_unnamed_addr addrspace(2) global <{ [3 x <{ half, target("dx.Padding", 14) }>], half }>, align 220 21; CHECK: define void @f22define void @f(ptr %dst) {23entry:24 %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)25 store target("dx.CBuffer", %__cblayout_CB) %CB.cb_h.i.i, ptr @CB.cb, align 426 27 ; a1[1]28 ;29 ; CHECK: [[PTR:%.*]] = call ptr addrspace(2) @llvm.dx.resource.getpointer.{{.*}}(target("dx.CBuffer", %__cblayout_CB) {{%.*}}, i32 0)30 ; CHECK: getelementptr inbounds nuw i8, ptr addrspace(2) [[PTR]], i32 1631 %a1 = load float, ptr addrspace(2) getelementptr inbounds nuw (i8, ptr addrspace(2) @a1, i32 16), align 432 store float %a1, ptr %dst, align 3233 34 ; a2[1]35 ;36 ; CHECK: [[PTR:%.*]] = call ptr addrspace(2) @llvm.dx.resource.getpointer.{{.*}}(target("dx.CBuffer", %__cblayout_CB) {{%.*}}, i32 48)37 ; CHECK: getelementptr inbounds nuw i8, ptr addrspace(2) [[PTR]], i32 3238 %a2 = load <3 x double>, ptr addrspace(2) getelementptr inbounds nuw (i8, ptr addrspace(2) @a2, i32 32), align 839 %a2.i = getelementptr inbounds nuw i8, ptr %dst, i32 840 store <3 x double> %a2, ptr %a2.i, align 3241 42 ; a3[0][1]43 ;44 ; CHECK: [[PTR:%.*]] = call ptr addrspace(2) @llvm.dx.resource.getpointer.{{.*}}(target("dx.CBuffer", %__cblayout_CB) {{%.*}}, i32 112)45 ; CHECK: getelementptr inbounds nuw i8, ptr addrspace(2) [[PTR]], i32 1646 %a3 = load half, ptr addrspace(2) getelementptr inbounds nuw (i8, ptr addrspace(2) @a3, i32 16), align 247 %a3.i = getelementptr inbounds nuw i8, ptr %dst, i32 3248 store half %a3, ptr %a3.i, align 249 50 ret void51}52 53; CHECK-NOT: !hlsl.cbs =54!hlsl.cbs = !{!0}55 56!0 = !{ptr @CB.cb, ptr addrspace(2) @a1, ptr addrspace(2) @a2, ptr addrspace(2) @a3}57