blob: 0ed3da81f10530cd34e4438dd31ee2b459a4d518 [file] [log] [blame]
; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=tonga -verify-machineinstrs | FileCheck -check-prefixes=GCN,VI,PREGFX9 %s
; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=gfx810 -verify-machineinstrs | FileCheck -check-prefixes=GCN,GFX81,PREGFX9 %s
; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs | FileCheck -check-prefixes=GCN,GFX9 %s
; Testing for failures in divergence calculations when divergent intrinsic is lowered during instruction selection
@0 = external dso_local addrspace(4) constant [4 x <4 x float>]
; GCN-LABEL: {{^}}_amdgpu_ps_main:
; GCN-NOT: v_readfirstlane
; PRE-GFX9: flat_load_dword
; GFX9: global_load
define dllexport amdgpu_ps void @_amdgpu_ps_main(i32 inreg %arg) local_unnamed_addr #0 {
.entry:
%tmp = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 %arg) #1
%tmp1 = bitcast float %tmp to i32
%tmp2 = srem i32 %tmp1, 4
%tmp3 = select i1 false, i32 undef, i32 %tmp2
%tmp4 = sext i32 %tmp3 to i64
%tmp5 = getelementptr [4 x <4 x float>], [4 x <4 x float>] addrspace(4)* @0, i64 0, i64 %tmp4
%tmp6 = load <4 x float>, <4 x float> addrspace(4)* %tmp5, align 16
%tmp7 = extractelement <4 x float> %tmp6, i32 3
%tmp8 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float undef, float %tmp7) #1
call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 15, <2 x half> undef, <2 x half> %tmp8, i1 true, i1 true) #2
ret void
}
declare float @llvm.amdgcn.interp.mov(i32, i32, i32, i32) #1
declare <2 x half> @llvm.amdgcn.cvt.pkrtz(float, float) #1
declare void @llvm.amdgcn.exp.compr.v2f16(i32, i32, <2 x half>, <2 x half>, i1, i1) #2
attributes #0 = { nounwind "InitialPSInputAddr"="0" }
attributes #1 = { nounwind readnone speculatable }
attributes #2 = { nounwind }