Home | History | Annotate | Download | only in AMDGPU
      1 ; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
      2 
      3 declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
      4 
      5 ; FUNC-LABEL: @v_test_imax3_sgt_i32
      6 ; SI: v_max3_i32
      7 define void @v_test_imax3_sgt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
      8   %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
      9   %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
     10   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
     11   %gep2 = getelementptr i32, i32 addrspace(1)* %cptr, i32 %tid
     12   %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
     13   %a = load i32, i32 addrspace(1)* %gep0, align 4
     14   %b = load i32, i32 addrspace(1)* %gep1, align 4
     15   %c = load i32, i32 addrspace(1)* %gep2, align 4
     16   %icmp0 = icmp sgt i32 %a, %b
     17   %i0 = select i1 %icmp0, i32 %a, i32 %b
     18   %icmp1 = icmp sgt i32 %i0, %c
     19   %i1 = select i1 %icmp1, i32 %i0, i32 %c
     20   store i32 %i1, i32 addrspace(1)* %out, align 4
     21   ret void
     22 }
     23 
     24 ; FUNC-LABEL: @v_test_umax3_ugt_i32
     25 ; SI: v_max3_u32
     26 define void @v_test_umax3_ugt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
     27   %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
     28   %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
     29   %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
     30   %gep2 = getelementptr i32, i32 addrspace(1)* %cptr, i32 %tid
     31   %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
     32   %a = load i32, i32 addrspace(1)* %gep0, align 4
     33   %b = load i32, i32 addrspace(1)* %gep1, align 4
     34   %c = load i32, i32 addrspace(1)* %gep2, align 4
     35   %icmp0 = icmp ugt i32 %a, %b
     36   %i0 = select i1 %icmp0, i32 %a, i32 %b
     37   %icmp1 = icmp ugt i32 %i0, %c
     38   %i1 = select i1 %icmp1, i32 %i0, i32 %c
     39   store i32 %i1, i32 addrspace(1)* %out, align 4
     40   ret void
     41 }
     42