forked from OSchip/llvm-project
25 lines
1.4 KiB
LLVM
25 lines
1.4 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
|
|
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
|
|
|
|
declare double @llvm.maxnum.f64(double, double) nounwind readnone
|
|
|
|
; SI-LABEL: {{^}}test_fmax3_f64:
|
|
; SI-DAG: buffer_load_dwordx2 [[REGA:v\[[0-9]+:[0-9]+\]]], off, s[{{[0-9]+:[0-9]+}}], 0{{$}}
|
|
; SI-DAG: buffer_load_dwordx2 [[REGB:v\[[0-9]+:[0-9]+\]]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:8
|
|
; SI: v_max_f64 [[REGA]], [[REGA]], [[REGB]]
|
|
; SI: buffer_load_dwordx2 [[REGC:v\[[0-9]+:[0-9]+\]]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:16
|
|
; SI: v_max_f64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[REGA]], [[REGC]]
|
|
; SI: buffer_store_dwordx2 [[RESULT]],
|
|
; SI: s_endpgm
|
|
define amdgpu_kernel void @test_fmax3_f64(double addrspace(1)* %out, double addrspace(1)* %aptr) nounwind {
|
|
%bptr = getelementptr double, double addrspace(1)* %aptr, i32 1
|
|
%cptr = getelementptr double, double addrspace(1)* %aptr, i32 2
|
|
%a = load volatile double, double addrspace(1)* %aptr, align 8
|
|
%b = load volatile double, double addrspace(1)* %bptr, align 8
|
|
%c = load volatile double, double addrspace(1)* %cptr, align 8
|
|
%f0 = call double @llvm.maxnum.f64(double %a, double %b) nounwind readnone
|
|
%f1 = call double @llvm.maxnum.f64(double %f0, double %c) nounwind readnone
|
|
store double %f1, double addrspace(1)* %out, align 8
|
|
ret void
|
|
}
|