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; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s
declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
declare { i64, i1 } @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
; FUNC-LABEL: @ssubo_i64_zext
define void @ssubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
%ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
%val = extractvalue { i64, i1 } %ssub, 0
%carry = extractvalue { i64, i1 } %ssub, 1
%ext = zext i1 %carry to i64
%add2 = add i64 %val, %ext
store i64 %add2, i64 addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: @s_ssubo_i32
define void @s_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
%ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
%val = extractvalue { i32, i1 } %ssub, 0
%carry = extractvalue { i32, i1 } %ssub, 1
store i32 %val, i32 addrspace(1)* %out, align 4
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
; FUNC-LABEL: @v_ssubo_i32
define void @v_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%a = load i32 addrspace(1)* %aptr, align 4
%b = load i32 addrspace(1)* %bptr, align 4
%ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
%val = extractvalue { i32, i1 } %ssub, 0
%carry = extractvalue { i32, i1 } %ssub, 1
store i32 %val, i32 addrspace(1)* %out, align 4
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
; FUNC-LABEL: @s_ssubo_i64
; SI: S_SUB_I32
; SI: S_SUBB_U32
define void @s_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
%ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
%val = extractvalue { i64, i1 } %ssub, 0
%carry = extractvalue { i64, i1 } %ssub, 1
store i64 %val, i64 addrspace(1)* %out, align 8
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
; FUNC-LABEL: @v_ssubo_i64
; SI: V_SUB_I32_e32
; SI: V_SUBB_U32_e32
define void @v_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
%a = load i64 addrspace(1)* %aptr, align 4
%b = load i64 addrspace(1)* %bptr, align 4
%ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
%val = extractvalue { i64, i1 } %ssub, 0
%carry = extractvalue { i64, i1 } %ssub, 1
store i64 %val, i64 addrspace(1)* %out, align 8
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
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