Home | History | Annotate | Download | only in R600
      1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
      2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
      3 ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s
      4 
      5 declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
      6 declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
      7 
      8 ; FUNC-LABEL: {{^}}uaddo_i64_zext:
      9 ; SI: add
     10 ; SI: addc
     11 ; SI: addc
     12 define void @uaddo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
     13   %uadd = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %a, i64 %b) nounwind
     14   %val = extractvalue { i64, i1 } %uadd, 0
     15   %carry = extractvalue { i64, i1 } %uadd, 1
     16   %ext = zext i1 %carry to i64
     17   %add2 = add i64 %val, %ext
     18   store i64 %add2, i64 addrspace(1)* %out, align 8
     19   ret void
     20 }
     21 
     22 ; FUNC-LABEL: {{^}}s_uaddo_i32:
     23 ; SI: s_add_i32
     24 define void @s_uaddo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
     25   %uadd = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 %b) nounwind
     26   %val = extractvalue { i32, i1 } %uadd, 0
     27   %carry = extractvalue { i32, i1 } %uadd, 1
     28   store i32 %val, i32 addrspace(1)* %out, align 4
     29   store i1 %carry, i1 addrspace(1)* %carryout
     30   ret void
     31 }
     32 
     33 ; FUNC-LABEL: {{^}}v_uaddo_i32:
     34 ; SI: v_add_i32
     35 define void @v_uaddo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
     36   %a = load i32, i32 addrspace(1)* %aptr, align 4
     37   %b = load i32, i32 addrspace(1)* %bptr, align 4
     38   %uadd = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 %b) nounwind
     39   %val = extractvalue { i32, i1 } %uadd, 0
     40   %carry = extractvalue { i32, i1 } %uadd, 1
     41   store i32 %val, i32 addrspace(1)* %out, align 4
     42   store i1 %carry, i1 addrspace(1)* %carryout
     43   ret void
     44 }
     45 
     46 ; FUNC-LABEL: {{^}}s_uaddo_i64:
     47 ; SI: s_add_u32
     48 ; SI: s_addc_u32
     49 define void @s_uaddo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
     50   %uadd = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %a, i64 %b) nounwind
     51   %val = extractvalue { i64, i1 } %uadd, 0
     52   %carry = extractvalue { i64, i1 } %uadd, 1
     53   store i64 %val, i64 addrspace(1)* %out, align 8
     54   store i1 %carry, i1 addrspace(1)* %carryout
     55   ret void
     56 }
     57 
     58 ; FUNC-LABEL: {{^}}v_uaddo_i64:
     59 ; SI: v_add_i32
     60 ; SI: v_addc_u32
     61 define void @v_uaddo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
     62   %a = load i64, i64 addrspace(1)* %aptr, align 4
     63   %b = load i64, i64 addrspace(1)* %bptr, align 4
     64   %uadd = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %a, i64 %b) nounwind
     65   %val = extractvalue { i64, i1 } %uadd, 0
     66   %carry = extractvalue { i64, i1 } %uadd, 1
     67   store i64 %val, i64 addrspace(1)* %out, align 8
     68   store i1 %carry, i1 addrspace(1)* %carryout
     69   ret void
     70 }
     71