Files
clang-p2996/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/sub.ll
wanglei a5c90e48b6 [LoongArch] Switch to the Machine Scheduler (#83759)
The SelectionDAG scheduling preference now becomes source order
scheduling (machine scheduler generates better code -- even without
there being a machine model defined for LoongArch yet).

Most of the test changes are trivial instruction reorderings and
differing register allocations, without any obvious performance impact.

This is similar to commit: 3d0fbafd0b
2024-03-05 09:15:44 +08:00

123 lines
3.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc --mtriple=loongarch64 --mattr=+lasx < %s | FileCheck %s
define void @sub_v32i8(ptr %res, ptr %a0, ptr %a1) nounwind {
; CHECK-LABEL: sub_v32i8:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvsub.b $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <32 x i8>, ptr %a0
%v1 = load <32 x i8>, ptr %a1
%v2 = sub <32 x i8> %v0, %v1
store <32 x i8> %v2, ptr %res
ret void
}
define void @sub_v16i16(ptr %res, ptr %a0, ptr %a1) nounwind {
; CHECK-LABEL: sub_v16i16:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvsub.h $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <16 x i16>, ptr %a0
%v1 = load <16 x i16>, ptr %a1
%v2 = sub <16 x i16> %v0, %v1
store <16 x i16> %v2, ptr %res
ret void
}
define void @sub_v8i32(ptr %res, ptr %a0, ptr %a1) nounwind {
; CHECK-LABEL: sub_v8i32:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvsub.w $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <8 x i32>, ptr %a0
%v1 = load <8 x i32>, ptr %a1
%v2 = sub <8 x i32> %v0, %v1
store <8 x i32> %v2, ptr %res
ret void
}
define void @sub_v4i64(ptr %res, ptr %a0, ptr %a1) nounwind {
; CHECK-LABEL: sub_v4i64:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvsub.d $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <4 x i64>, ptr %a0
%v1 = load <4 x i64>, ptr %a1
%v2 = sub <4 x i64> %v0, %v1
store <4 x i64> %v2, ptr %res
ret void
}
define void @sub_v32i8_31(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: sub_v32i8_31:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvsubi.bu $xr0, $xr0, 31
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <32 x i8>, ptr %a0
%v1 = sub <32 x i8> %v0, <i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31, i8 31>
store <32 x i8> %v1, ptr %res
ret void
}
define void @sub_v16i16_31(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: sub_v16i16_31:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvsubi.hu $xr0, $xr0, 31
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <16 x i16>, ptr %a0
%v1 = sub <16 x i16> %v0, <i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31, i16 31>
store <16 x i16> %v1, ptr %res
ret void
}
define void @sub_v8i32_31(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: sub_v8i32_31:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvsubi.wu $xr0, $xr0, 31
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <8 x i32>, ptr %a0
%v1 = sub <8 x i32> %v0, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
store <8 x i32> %v1, ptr %res
ret void
}
define void @sub_v4i64_31(ptr %res, ptr %a0) nounwind {
; CHECK-LABEL: sub_v4i64_31:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvsubi.du $xr0, $xr0, 31
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
%v0 = load <4 x i64>, ptr %a0
%v1 = sub <4 x i64> %v0, <i64 31, i64 31, i64 31, i64 31>
store <4 x i64> %v1, ptr %res
ret void
}