llvm/test/CodeGen/R600/fp32_to_fp16.ll

15 lines
627 B
LLVM

; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
; SI-LABEL: {{^}}test_convert_fp32_to_fp16:
; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]]
; SI: V_CVT_F16_F32_e32 [[RESULT:v[0-9]+]], [[VAL]]
; SI: BUFFER_STORE_SHORT [[RESULT]]
define void @test_convert_fp32_to_fp16(i16 addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind {
%val = load float addrspace(1)* %in, align 4
%cvt = call i16 @llvm.convert.to.fp16.f32(float %val) nounwind readnone
store i16 %cvt, i16 addrspace(1)* %out, align 2
ret void
}