1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-NOHSA -check-prefix=FUNC %s 2; RUN: llc -mtriple=amdgcn-amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-HSA -check-prefix=FUNC %s 3; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-NOHSA -check-prefix=FUNC %s 4 5; FUNC-LABEL: {{^}}constant_load_f64: 6; GCN: s_load_dwordx2 s[{{[0-9]+:[0-9]+}}] 7; GCN-NOHSA: buffer_store_dwordx2 8; GCN-HSA: flat_store_dwordx2 9define amdgpu_kernel void @constant_load_f64(double addrspace(1)* %out, double addrspace(4)* %in) #0 { 10 %ld = load double, double addrspace(4)* %in 11 store double %ld, double addrspace(1)* %out 12 ret void 13} 14 15attributes #0 = { nounwind } 16 17; Tests whether a load-chain of 8 constants of 64bit each gets vectorized into a wider load. 18; FUNC-LABEL: {{^}}constant_load_2v4f64: 19; GCN: s_load_dwordx16 20define amdgpu_kernel void @constant_load_2v4f64(double addrspace(4)* noalias nocapture readonly %weights, double addrspace(1)* noalias nocapture %out_ptr) { 21entry: 22 %out_ptr.promoted = load double, double addrspace(1)* %out_ptr, align 4 23 %tmp = load double, double addrspace(4)* %weights, align 4 24 %add = fadd double %tmp, %out_ptr.promoted 25 %arrayidx.1 = getelementptr inbounds double, double addrspace(4)* %weights, i64 1 26 %tmp1 = load double, double addrspace(4)* %arrayidx.1, align 4 27 %add.1 = fadd double %tmp1, %add 28 %arrayidx.2 = getelementptr inbounds double, double addrspace(4)* %weights, i64 2 29 %tmp2 = load double, double addrspace(4)* %arrayidx.2, align 4 30 %add.2 = fadd double %tmp2, %add.1 31 %arrayidx.3 = getelementptr inbounds double, double addrspace(4)* %weights, i64 3 32 %tmp3 = load double, double addrspace(4)* %arrayidx.3, align 4 33 %add.3 = fadd double %tmp3, %add.2 34 %arrayidx.4 = getelementptr inbounds double, double addrspace(4)* %weights, i64 4 35 %tmp4 = load double, double addrspace(4)* %arrayidx.4, align 4 36 %add.4 = fadd double %tmp4, %add.3 37 %arrayidx.5 = getelementptr inbounds double, double addrspace(4)* %weights, i64 5 38 %tmp5 = load double, double addrspace(4)* %arrayidx.5, align 4 39 %add.5 = fadd double %tmp5, %add.4 40 %arrayidx.6 = getelementptr inbounds double, double addrspace(4)* %weights, i64 6 41 %tmp6 = load double, double addrspace(4)* %arrayidx.6, align 4 42 %add.6 = fadd double %tmp6, %add.5 43 %arrayidx.7 = getelementptr inbounds double, double addrspace(4)* %weights, i64 7 44 %tmp7 = load double, double addrspace(4)* %arrayidx.7, align 4 45 %add.7 = fadd double %tmp7, %add.6 46 store double %add.7, double addrspace(1)* %out_ptr, align 4 47 ret void 48} 49