From b915e9e0fc85ba6f398b3fab0db6a81a8913af94 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 2 Jan 2017 19:17:04 +0000 Subject: Vendor import of llvm trunk r290819: https://llvm.org/svn/llvm-project/llvm/trunk@290819 --- test/CodeGen/AMDGPU/llvm.log2.f16.ll | 49 ++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 test/CodeGen/AMDGPU/llvm.log2.f16.ll (limited to 'test/CodeGen/AMDGPU/llvm.log2.f16.ll') diff --git a/test/CodeGen/AMDGPU/llvm.log2.f16.ll b/test/CodeGen/AMDGPU/llvm.log2.f16.ll new file mode 100644 index 000000000000..8c35412b1686 --- /dev/null +++ b/test/CodeGen/AMDGPU/llvm.log2.f16.ll @@ -0,0 +1,49 @@ +; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s +; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s + +declare half @llvm.log2.f16(half %a) +declare <2 x half> @llvm.log2.v2f16(<2 x half> %a) + +; GCN-LABEL: {{^}}log2_f16 +; GCN: buffer_load_ushort v[[A_F16:[0-9]+]] +; SI: v_cvt_f32_f16_e32 v[[A_F32:[0-9]+]], v[[A_F16]] +; SI: v_log_f32_e32 v[[R_F32:[0-9]+]], v[[A_F32]] +; SI: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]] +; VI: v_log_f16_e32 v[[R_F16:[0-9]+]], v[[A_F16]] +; GCN: buffer_store_short v[[R_F16]] +; GCN: s_endpgm +define void @log2_f16( + half addrspace(1)* %r, + half addrspace(1)* %a) { +entry: + %a.val = load half, half addrspace(1)* %a + %r.val = call half @llvm.log2.f16(half %a.val) + store half %r.val, half addrspace(1)* %r + ret void +} + +; GCN-LABEL: {{^}}log2_v2f16 +; GCN: buffer_load_dword v[[A_V2_F16:[0-9]+]] +; GCN: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]] +; SI: v_cvt_f32_f16_e32 v[[A_F32_0:[0-9]+]], v[[A_V2_F16]] +; SI: v_cvt_f32_f16_e32 v[[A_F32_1:[0-9]+]], v[[A_F16_1]] +; SI: v_log_f32_e32 v[[R_F32_0:[0-9]+]], v[[A_F32_0]] +; SI: v_log_f32_e32 v[[R_F32_1:[0-9]+]], v[[A_F32_1]] +; SI: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]] +; SI: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]] +; VI: v_log_f16_e32 v[[R_F16_0:[0-9]+]], v[[A_V2_F16]] +; VI: v_log_f16_e32 v[[R_F16_1:[0-9]+]], v[[A_F16_1]] +; GCN: v_and_b32_e32 v[[R_F16_LO:[0-9]+]], 0xffff, v[[R_F16_0]] +; GCN: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]] +; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_LO]] +; GCN: buffer_store_dword v[[R_V2_F16]] +; GCN: s_endpgm +define void @log2_v2f16( + <2 x half> addrspace(1)* %r, + <2 x half> addrspace(1)* %a) { +entry: + %a.val = load <2 x half>, <2 x half> addrspace(1)* %a + %r.val = call <2 x half> @llvm.log2.v2f16(<2 x half> %a.val) + store <2 x half> %r.val, <2 x half> addrspace(1)* %r + ret void +} -- cgit v1.2.3