File: llvm.amdgcn.fmed3.f16.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (39 lines) | stat: -rw-r--r-- 1,687 bytes parent folder | download | duplicates (15)
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
; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

; GCN-LABEL: {{^}}test_fmed3_f16:
; GCN: v_med3_f16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @test_fmed3_f16(half addrspace(1)* %out, i32 %src0.arg, i32 %src1.arg, i32 %src2.arg) #1 {
  %src0.f16 = trunc i32 %src0.arg to i16
  %src0 = bitcast i16 %src0.f16 to half
  %src1.f16 = trunc i32 %src1.arg to i16
  %src1 = bitcast i16 %src1.f16 to half
  %src2.f16 = trunc i32 %src2.arg to i16
  %src2 = bitcast i16 %src2.f16 to half
  %mad = call half @llvm.amdgcn.fmed3.f16(half %src0, half %src1, half %src2)
  store half %mad, half addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}test_fmed3_srcmods_f16:
; GCN: v_med3_f16 v{{[0-9]+}}, -s{{[0-9]+}}, |v{{[0-9]+}}|, -|v{{[0-9]+}}|
define amdgpu_kernel void @test_fmed3_srcmods_f16(half addrspace(1)* %out, i32 %src0.arg, i32 %src1.arg, i32 %src2.arg) #1 {
  %src0.f16 = trunc i32 %src0.arg to i16
  %src0 = bitcast i16 %src0.f16 to half
  %src1.f16 = trunc i32 %src1.arg to i16
  %src1 = bitcast i16 %src1.f16 to half
  %src2.f16 = trunc i32 %src2.arg to i16
  %src2 = bitcast i16 %src2.f16 to half
  %src0.fneg = fsub half -0.0, %src0
  %src1.fabs = call half @llvm.fabs.f16(half %src1)
  %src2.fabs = call half @llvm.fabs.f16(half %src2)
  %src2.fneg.fabs = fsub half -0.0, %src2.fabs
  %mad = call half @llvm.amdgcn.fmed3.f16(half %src0.fneg, half %src1.fabs, half %src2.fneg.fabs)
  store half %mad, half addrspace(1)* %out
  ret void
}

declare half @llvm.amdgcn.fmed3.f16(half, half, half) #0
declare half @llvm.fabs.f16(half) #0

attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }