1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
; RUN: llc -mtriple=amdgcn -mcpu=gfx906 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9
; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX9
; RUN: llc -mtriple=amdgcn -mcpu=gfx1011 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
; RUN: llc -mtriple=amdgcn -mcpu=gfx1012 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
declare i32 @llvm.amdgcn.udot4(i32 %a, i32 %b, i32 %c, i1 %clamp)
; GCN-LABEL: {{^}}test_llvm_amdgcn_udot4_clamp
; GFX9: v_dot4_u32_u8 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
; GFX10: v_dot4_u32_u8 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
define amdgpu_kernel void @test_llvm_amdgcn_udot4_clamp(
ptr addrspace(1) %r,
ptr addrspace(1) %a,
ptr addrspace(1) %b,
ptr addrspace(1) %c) {
entry:
%a.val = load <4 x i8>, ptr addrspace(1) %a
%b.val = load <4 x i8>, ptr addrspace(1) %b
%a.val.cast = bitcast <4 x i8> %a.val to i32
%b.val.cast = bitcast <4 x i8> %b.val to i32
%c.val = load i32, ptr addrspace(1) %c
%r.val = call i32 @llvm.amdgcn.udot4(i32 %a.val.cast, i32 %b.val.cast, i32 %c.val, i1 1)
store i32 %r.val, ptr addrspace(1) %r
ret void
}
; GCN-LABEL: {{^}}test_llvm_amdgcn_udot4_no_clamp
; GFX9: v_dot4_u32_u8 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}{{$}}
; GFX10: v_dot4_u32_u8 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}{{$}}
define amdgpu_kernel void @test_llvm_amdgcn_udot4_no_clamp(
ptr addrspace(1) %r,
ptr addrspace(1) %a,
ptr addrspace(1) %b,
ptr addrspace(1) %c) {
entry:
%a.val = load <4 x i8>, ptr addrspace(1) %a
%b.val = load <4 x i8>, ptr addrspace(1) %b
%a.val.cast = bitcast <4 x i8> %a.val to i32
%b.val.cast = bitcast <4 x i8> %b.val to i32
%c.val = load i32, ptr addrspace(1) %c
%r.val = call i32 @llvm.amdgcn.udot4(i32 %a.val.cast, i32 %b.val.cast, i32 %c.val, i1 0)
store i32 %r.val, ptr addrspace(1) %r
ret void
}
|
