llvm-mirror/test/CodeGen/AMDGPU/split-smrd.ll
Nicolai Haehnle 69b2d0adeb AMDGPU: Add a shader calling convention
This makes it possible to distinguish between mesa shaders
and other kernels even in the presence of compute shaders.

Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

Differential Revision: http://reviews.llvm.org/D18559

llvm-svn: 265589
2016-04-06 19:40:20 +00:00

47 lines
2.0 KiB
LLVM

; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s
; FIXME: Move this to sgpr-copy.ll when this is fixed on VI.
; Make sure that when we split an smrd instruction in order to move it to
; the VALU, we are also moving its users to the VALU.
; CHECK-LABEL: {{^}}split_smrd_add_worklist:
; CHECK: image_sample v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}] dmask:0x1
define amdgpu_ps void @split_smrd_add_worklist([34 x <8 x i32>] addrspace(2)* byval %arg) #0 {
bb:
%tmp = call float @llvm.SI.load.const(<16 x i8> undef, i32 96)
%tmp1 = bitcast float %tmp to i32
br i1 undef, label %bb2, label %bb3
bb2: ; preds = %bb
unreachable
bb3: ; preds = %bb
%tmp4 = bitcast float %tmp to i32
%tmp5 = add i32 %tmp4, 4
%tmp6 = sext i32 %tmp5 to i64
%tmp7 = getelementptr [34 x <8 x i32>], [34 x <8 x i32>] addrspace(2)* %arg, i64 0, i64 %tmp6
%tmp8 = load <8 x i32>, <8 x i32> addrspace(2)* %tmp7, align 32, !tbaa !0
%tmp9 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> <i32 1061158912, i32 1048576000>, <8 x i32> %tmp8, <4 x i32> undef, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
%tmp10 = extractelement <4 x float> %tmp9, i32 0
%tmp12 = call i32 @llvm.SI.packf16(float %tmp10, float undef)
%tmp13 = bitcast i32 %tmp12 to float
call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float undef, float %tmp13, float undef, float undef)
ret void
}
; Function Attrs: nounwind readnone
declare float @llvm.SI.load.const(<16 x i8>, i32) #1
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
declare <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32>, <8 x i32>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #1
declare i32 @llvm.SI.packf16(float, float) #1
attributes #0 = { "unsafe-fp-math"="true" }
attributes #1 = { nounwind readnone }
!0 = !{!1, !1, i64 0, i32 1}
!1 = !{!"const", null}
!2 = !{!1, !1, i64 0}