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1; RUN: opt -S -passes=dxil-op-lower %s | FileCheck %s2 3target triple = "dxil-pc-shadermodel6.0-compute"4 5@A.str = internal unnamed_addr constant [2 x i8] c"A\00", align 16@B.str = internal unnamed_addr constant [2 x i8] c"A\00", align 17 8declare i32 @some_val();9 10define void @test_buffers_with_nuri() {11 12 %val = call i32 @some_val()13 %foo = alloca i32, align 414 15 ; RWBuffer<float> A[10];16 ;17 ; A[NonUniformResourceIndex(val)];18 19 %nuri1 = tail call noundef i32 @llvm.dx.resource.nonuniformindex(i32 %val)20 %res1 = call target("dx.TypedBuffer", float, 1, 0, 0)21 @llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 10, i32 %nuri1, ptr @A.str)22 ; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 0, i32 %val, i1 true) #[[ATTR:.*]]23 ; CHECK-NOT: @llvm.dx.cast.handle24 ; CHECK-NOT: @llvm.dx.resource.nonuniformindex25 26 ; A[NonUniformResourceIndex(val + 1) % 10];27 %add1 = add i32 %val, 128 %nuri2 = tail call noundef i32 @llvm.dx.resource.nonuniformindex(i32 %add1)29 %rem1 = urem i32 %nuri2, 1030 %res2 = call target("dx.TypedBuffer", float, 1, 0, 0)31 @llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 10, i32 %rem1, ptr @A.str)32 ; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 0, i32 %rem1, i1 true) #[[ATTR]]33 34 ; A[10 + 3 * NonUniformResourceIndex(GI)];35 %mul1 = mul i32 %nuri1, 336 %add2 = add i32 %mul1, 1037 %res3 = call target("dx.TypedBuffer", float, 1, 0, 0)38 @llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 10, i32 %add2, ptr @A.str)39 ; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 0, i32 %add2, i1 true) #[[ATTR]]40 41 ; NonUniformResourceIndex value going through store & load - the flag is not going to get picked up:42 %a = tail call noundef i32 @llvm.dx.resource.nonuniformindex(i32 %val)43 store i32 %a, ptr %foo44 %b = load i32, ptr %foo45 %res4 = call target("dx.TypedBuffer", float, 1, 0, 0)46 @llvm.dx.resource.handlefrombinding(i32 0, i32 0, i32 10, i32 %b, ptr @A.str)47 ; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 0, i32 %b, i1 false) #[[ATTR]]48 49 ; NonUniformResourceIndex index value on a single resouce (not an array) - the flag is not going to get picked up:50 ;51 ; RWBuffer<float> B : register(u20);52 ; B[NonUniformResourceIndex(val)];53 %nuri3 = tail call noundef i32 @llvm.dx.resource.nonuniformindex(i32 %val)54 %res5 = call target("dx.TypedBuffer", float, 1, 0, 0)55 @llvm.dx.resource.handlefrombinding(i32 20, i32 0, i32 1, i32 %nuri1, ptr @B.str)56 ; CHECK: call %dx.types.Handle @dx.op.createHandle(i32 57, i8 1, i32 1, i32 %val, i1 false) #[[ATTR]]57 58 ; NonUniformResourceIndex on unrelated value - the call is removed:59 ; foo = NonUniformResourceIndex(val);60 %nuri4 = tail call noundef i32 @llvm.dx.resource.nonuniformindex(i32 %val)61 store i32 %nuri4, ptr %foo62 ; CHECK: store i32 %val, ptr %foo63 ; CHECK-NOT: @llvm.dx.resource.nonuniformindex64 65 ret void66}67 68; CHECK: attributes #[[ATTR]] = {{{.*}} memory(read) {{.*}}}69 70attributes #0 = { nocallback nofree nosync nounwind willreturn memory(none) }71