1target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" 2 3%opencl.image2d_t = type opaque 4 5declare <4 x float> @llvm.R600.tex(<4 x float>, i32, i32, i32, i32, i32, i32, 6 i32, i32, i32) readnone 7declare i32 @llvm.OpenCL.image.get.resource.id.2d( 8 %opencl.image2d_t addrspace(1)*) nounwind readnone 9declare i32 @llvm.OpenCL.sampler.get.resource.id(i32) readnone 10 11define <4 x float> @__clc_v4f_from_v2f(<2 x float> %v) alwaysinline { 12 %e0 = extractelement <2 x float> %v, i32 0 13 %e1 = extractelement <2 x float> %v, i32 1 14 %res.0 = insertelement <4 x float> undef, float %e0, i32 0 15 %res.1 = insertelement <4 x float> %res.0, float %e1, i32 1 16 %res.2 = insertelement <4 x float> %res.1, float 0.0, i32 2 17 %res.3 = insertelement <4 x float> %res.2, float 0.0, i32 3 18 ret <4 x float> %res.3 19} 20 21define <4 x float> @__clc_read_imagef_tex( 22 %opencl.image2d_t addrspace(1)* nocapture %img, 23 i32 %sampler, <2 x float> %coord) alwaysinline { 24entry: 25 %coord_v4 = call <4 x float> @__clc_v4f_from_v2f(<2 x float> %coord) 26 %smp_id = call i32 @llvm.OpenCL.sampler.get.resource.id(i32 %sampler) 27 %img_id = call i32 @llvm.OpenCL.image.get.resource.id.2d( 28 %opencl.image2d_t addrspace(1)* %img) 29 %tex_id = add i32 %img_id, 2 ; First 2 IDs are reserved. 30 31 %coord_norm = and i32 %sampler, 1 32 %is_norm = icmp eq i32 %coord_norm, 1 33 br i1 %is_norm, label %NormCoord, label %UnnormCoord 34NormCoord: 35 %data.norm = call <4 x float> @llvm.R600.tex( 36 <4 x float> %coord_v4, 37 i32 0, i32 0, i32 0, ; Offset. 38 i32 2, i32 %smp_id, 39 i32 1, i32 1, i32 1, i32 1) ; Normalized coords. 40 ret <4 x float> %data.norm 41UnnormCoord: 42 %data.unnorm = call <4 x float> @llvm.R600.tex( 43 <4 x float> %coord_v4, 44 i32 0, i32 0, i32 0, ; Offset. 45 i32 %tex_id, i32 %smp_id, 46 i32 0, i32 0, i32 0, i32 0) ; Unnormalized coords. 47 ret <4 x float> %data.unnorm 48} 49