1 ; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck -check-prefix=SI %s 2 ; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck -check-prefix=SI %s 3 4 ; SI-LABEL: {{^}}vector_umax: 5 ; SI: v_max_u32_e32 6 define void @vector_umax(i32 %p0, i32 %p1, i32 addrspace(1)* %in) #0 { 7 main_body: 8 %load = load i32, i32 addrspace(1)* %in, align 4 9 %max = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %load) 10 %bc = bitcast i32 %max to float 11 call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc) 12 ret void 13 } 14 15 ; SI-LABEL: {{^}}scalar_umax: 16 ; SI: s_max_u32 17 define void @scalar_umax(i32 %p0, i32 %p1) #0 { 18 entry: 19 %max = call i32 @llvm.AMDGPU.umax(i32 %p0, i32 %p1) 20 %bc = bitcast i32 %max to float 21 call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc) 22 ret void 23 } 24 25 ; SI-LABEL: {{^}}trunc_zext_umax: 26 ; SI: buffer_load_ubyte [[VREG:v[0-9]+]], 27 ; SI: v_max_u32_e32 [[RESULT:v[0-9]+]], 0, [[VREG]] 28 ; SI-NOT: and 29 ; SI: buffer_store_short [[RESULT]], 30 define void @trunc_zext_umax(i16 addrspace(1)* nocapture %out, i8 addrspace(1)* nocapture %src) nounwind { 31 %tmp5 = load i8, i8 addrspace(1)* %src, align 1 32 %tmp2 = zext i8 %tmp5 to i32 33 %tmp3 = tail call i32 @llvm.AMDGPU.umax(i32 %tmp2, i32 0) nounwind readnone 34 %tmp4 = trunc i32 %tmp3 to i8 35 %tmp6 = zext i8 %tmp4 to i16 36 store i16 %tmp6, i16 addrspace(1)* %out, align 2 37 ret void 38 } 39 40 ; Function Attrs: readnone 41 declare i32 @llvm.AMDGPU.umax(i32, i32) #1 42 43 declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float) 44 45 attributes #0 = { nounwind } 46 attributes #1 = { nounwind readnone } 47 48 !0 = !{!"const", null, i32 1} 49
