llvm/test/CodeGen/AMDGPU/si-scheduler.ll
Nicolai Haehnle cead1b4a6d AMDGPU/SI: Add SI Machine Scheduler
Summary:
It is off by default, but can be used
with --misched=si

Patch by: Axel Davy

Reviewers: arsenm, tstellarAMD, nhaehnle

Subscribers: nhaehnle, solenskiner, arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D11885

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257609 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-13 16:10:10 +00:00

56 lines
2.4 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=SI --misched=si < %s | FileCheck %s
; The test checks the "si" machine scheduler pass works correctly.
; CHECK-LABEL: {{^}}main:
; CHECK: s_wqm
; CHECK: s_load_dwordx4
; CHECK: s_load_dwordx8
; CHECK: s_waitcnt lgkmcnt(0)
; CHECK: image_sample
; CHECK: s_waitcnt vmcnt(0)
; CHECK: exp
; CHECK: s_endpgm
define void @main([6 x <16 x i8>] addrspace(2)* byval, [17 x <16 x i8>] addrspace(2)* byval, [17 x <4 x i32>] addrspace(2)* byval, [34 x <8 x i32>] addrspace(2)* byval, float inreg, i32 inreg, <2 x i32>,
<2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, i32, float, float) #0 {
main_body:
%22 = bitcast [34 x <8 x i32>] addrspace(2)* %3 to <32 x i8> addrspace(2)*
%23 = load <32 x i8>, <32 x i8> addrspace(2)* %22, align 32, !tbaa !0
%24 = bitcast [17 x <4 x i32>] addrspace(2)* %2 to <16 x i8> addrspace(2)*
%25 = load <16 x i8>, <16 x i8> addrspace(2)* %24, align 16, !tbaa !0
%26 = call float @llvm.SI.fs.interp(i32 0, i32 0, i32 %5, <2 x i32> %11)
%27 = call float @llvm.SI.fs.interp(i32 1, i32 0, i32 %5, <2 x i32> %11)
%28 = bitcast float %26 to i32
%29 = bitcast float %27 to i32
%30 = insertelement <2 x i32> undef, i32 %28, i32 0
%31 = insertelement <2 x i32> %30, i32 %29, i32 1
%32 = call <4 x float> @llvm.SI.sample.v2i32(<2 x i32> %31, <32 x i8> %23, <16 x i8> %25, i32 2)
%33 = extractelement <4 x float> %32, i32 0
%34 = extractelement <4 x float> %32, i32 1
%35 = extractelement <4 x float> %32, i32 2
%36 = extractelement <4 x float> %32, i32 3
%37 = call i32 @llvm.SI.packf16(float %33, float %34)
%38 = bitcast i32 %37 to float
%39 = call i32 @llvm.SI.packf16(float %35, float %36)
%40 = bitcast i32 %39 to float
call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %38, float %40, float %38, float %40)
ret void
}
; Function Attrs: nounwind readnone
declare float @llvm.SI.fs.interp(i32, i32, i32, <2 x i32>) #1
; Function Attrs: nounwind readnone
declare <4 x float> @llvm.SI.sample.v2i32(<2 x i32>, <32 x i8>, <16 x i8>, i32) #1
; Function Attrs: nounwind readnone
declare i32 @llvm.SI.packf16(float, float) #1
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
attributes #0 = { "ShaderType"="0" "enable-no-nans-fp-math"="true" }
attributes #1 = { nounwind readnone }
!0 = !{!"const", null, i32 1}