1; RUN: llc < %s -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-before=amdgpu-isel -stop-after=amdgpu-isel -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK 2; RUN: llc < %s -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-before=amdgpu-isel -stop-after=amdgpu-isel -enable-new-pm -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK 3 4; This caused failure in infinite cycle in Selection DAG (combine) due to missing insert_subvector. 5; 6; CHECK-LABEL: name: test1 7; CHECK: GLOBAL_LOAD_DWORDX4 8; CHECK: GLOBAL_LOAD_DWORDX4 9; CHECK: GLOBAL_STORE_DWORDX4 10define protected amdgpu_kernel void @test1() local_unnamed_addr !kernel_arg_addr_space !0 !kernel_arg_access_qual !1 !kernel_arg_type !2 !kernel_arg_base_type !2 !kernel_arg_type_qual !3 !kernel_arg_name !4 { 11entry: 12 %tmp = load <3 x i64>, ptr addrspace(4) undef, align 16, !invariant.load !5 13 %srcA.load2 = extractelement <3 x i64> %tmp, i32 0 14 %tmp1 = inttoptr i64 %srcA.load2 to ptr addrspace(1) 15 %tmp2 = getelementptr inbounds double, ptr addrspace(1) %tmp1, i64 undef 16 %tmp4 = load <3 x double>, ptr addrspace(1) %tmp2, align 8, !tbaa !6 17 %tmp5 = extractelement <3 x double> %tmp4, i32 1 18 %tmp6 = insertelement <3 x double> undef, double %tmp5, i32 1 19 %tmp7 = insertelement <3 x double> %tmp6, double undef, i32 2 20 %tmp8 = load <3 x double>, ptr addrspace(1) undef, align 8, !tbaa !6 21 %tmp9 = extractelement <3 x double> %tmp8, i32 2 22 %tmp10 = insertelement <3 x double> undef, double %tmp9, i32 2 23 %tmp11 = fcmp olt <3 x double> %tmp10, %tmp7 24 %tmp12 = select <3 x i1> %tmp11, <3 x double> zeroinitializer, <3 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> 25 %tmp13 = extractelement <3 x double> %tmp12, i64 1 26 %tmp14 = insertelement <2 x double> undef, double %tmp13, i32 1 27 store <2 x double> %tmp14, ptr addrspace(1) undef, align 8, !tbaa !6 28 ret void 29} 30 31; This caused failure in Selection DAG due to lack of insert_subvector implementation. 32; 33; CHECK-LABEL: name: test2 34; CHECK: GLOBAL_LOAD_DWORDX2 35; CHECK: GLOBAL_LOAD_DWORDX2 36; CHECK: GLOBAL_STORE_DWORDX2 37define protected amdgpu_kernel void @test2() local_unnamed_addr !kernel_arg_addr_space !0 !kernel_arg_access_qual !1 !kernel_arg_type !2 !kernel_arg_base_type !2 !kernel_arg_type_qual !3 !kernel_arg_name !4 { 38entry: 39 %tmp = load <3 x i64>, ptr addrspace(4) undef, align 16, !invariant.load !5 40 %srcA.load2 = extractelement <3 x i64> %tmp, i32 0 41 %tmp1 = inttoptr i64 %srcA.load2 to ptr addrspace(1) 42 %tmp2 = getelementptr inbounds double, ptr addrspace(1) %tmp1, i64 undef 43 %tmp4 = load <3 x double>, ptr addrspace(1) %tmp2, align 8, !tbaa !6 44 %tmp5 = extractelement <3 x double> %tmp4, i32 1 45 %tmp6 = insertelement <3 x double> undef, double %tmp5, i32 1 46 %tmp7 = insertelement <3 x double> %tmp6, double undef, i32 2 47 %tmp8 = load <3 x double>, ptr addrspace(1) undef, align 8, !tbaa !6 48 %tmp9 = extractelement <3 x double> %tmp8, i32 1 49 %tmp10 = insertelement <3 x double> undef, double %tmp9, i32 1 50 %tmp11 = insertelement <3 x double> %tmp10, double undef, i32 2 51 %tmp12 = fcmp olt <3 x double> %tmp11, %tmp7 52 %tmp13 = select <3 x i1> %tmp12, <3 x double> zeroinitializer, <3 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> 53 %tmp14 = extractelement <3 x double> %tmp13, i64 2 54 store double %tmp14, ptr addrspace(1) undef, align 8, !tbaa !6 55 ret void 56} 57 58!0 = !{i32 1, i32 1, i32 1} 59!1 = !{!"none", !"none", !"none"} 60!2 = !{!"ptr", !"ptr", !"ptr"} 61!3 = !{!"", !"", !""} 62!4 = !{!"srcA", !"srcB", !"dst"} 63!5 = !{} 64!6 = !{!7, !7, i64 0} 65!7 = !{!"double", !8, i64 0} 66!8 = !{!"omnipotent char", !9, i64 0} 67!9 = !{!"Simple C/C++ TBAA"} 68