6502/llvm-6502
1
0 Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-27 04:18:42 +00:00
Code Issues Projects Releases Wiki Activity

Merging r231259:

Browse Source 
------------------------------------------------------------------------
r231259 | marek.olsak | 2015-03-04 12:33:45 -0500 (Wed, 04 Mar 2015) | 4 lines

R600/SI: Add an intrinsic for S_FLBIT_I32 / V_FFBH_I32

Required by OpenGL (ARB_gpu_shader5).

------------------------------------------------------------------------

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_36@236263 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard committed 2015-04-30 21:24:06 +00:00
1 parent d6409a29e3
commit 928bfce237
4 files changed
+35 -3
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

test/CodeGen/R600/llvm.AMDGPU.flbit.i32.ll
+28
View File
@@ -0,0 +1,28 @@
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
declare i32 @llvm.AMDGPU.flbit.i32(i32) nounwind readnone
; FUNC-LABEL: {{^}}s_flbit:
; SI: s_load_dword [[VAL:s[0-9]+]],
; SI: s_flbit_i32 [[SRESULT:s[0-9]+]], [[VAL]]
; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
; SI: buffer_store_dword [[VRESULT]],
; SI: s_endpgm
define void @s_flbit(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
%r = call i32 @llvm.AMDGPU.flbit.i32(i32 %val) nounwind readnone
store i32 %r, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}v_flbit:
; SI: buffer_load_dword [[VAL:v[0-9]+]],
; SI: v_ffbh_i32_e32 [[RESULT:v[0-9]+]], [[VAL]]
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define void @v_flbit(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind {
%val = load i32 addrspace(1)* %valptr, align 4
%r = call i32 @llvm.AMDGPU.flbit.i32(i32 %val) nounwind readnone
store i32 %r, i32 addrspace(1)* %out, align 4
ret void
}