File: remove-incompatible-gws.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (54 lines) | stat: -rw-r--r-- 2,234 bytes parent folder | download
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
46
47
48
49
50
51
52
53
54
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 -stop-after=amdgpu-remove-incompatible-functions\
; RUN:   -pass-remarks=amdgpu-remove-incompatible-functions %s -o - 2>%t | FileCheck -check-prefixes=COMPATIBLE,IR %s
; RUN: FileCheck -allow-empty --check-prefix=WARN-COMPATIBLE %s < %t
; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 -verify-machineinstrs < %s

; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -stop-after=amdgpu-remove-incompatible-functions\
; RUN:   -pass-remarks=amdgpu-remove-incompatible-functions %s -o - 2>%t | FileCheck -check-prefixes=INCOMPATIBLE,IR %s
; RUN: FileCheck --check-prefixes=WARN-INCOMPATIBLE %s < %t
; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s

; Note: This test checks the IR, but also has a run line to codegen the file just to check we
; do not crash when trying to select those functions.

; WARN-COMPATIBLE-NOT: removing function 'needs_gws':
; WARN-INCOMPATIBLE:   removing function 'needs_gws': +gws is not supported on the current target


; COMPATIBLE:       @GVRefs {{.*}} [ptr @needs_gws]
; INCOMPATIBLE:     @GVRefs {{.*}} zeroinitializer
@GVRefs = internal global [1 x ptr] [
  ptr @needs_gws
]


; COMPATIBLE:         @ConstantExpr = internal global i64 ptrtoint (ptr @needs_gws to i64)
; INCOMPATIBLE:       @ConstantExpr = internal global i64 0
@ConstantExpr = internal global i64 ptrtoint (ptr @needs_gws to i64)


; COMPATIBLE:         define void @needs_gws
; INCOMPATIBLE-NOT:   define void @needs_gws
define void @needs_gws(i32 %val0, i32 %val1) #0 {
  call void @llvm.amdgcn.ds.gws.init(i32 %val0, i32 %val1)
  call void @llvm.amdgcn.ds.gws.barrier(i32 %val0, i32 %val1)
  ret void
}

; IR: define void @gws_caller(
define void @gws_caller(i32 %val0, i32 %val1) {
  ; COMPATIBLE: call void @needs_gws(
  ; INCOMPATIBLE: call void null
  call void @needs_gws(i32 %val0, i32 %val1)
  ; IR: ret void
  ret void
}

declare void @llvm.amdgcn.ds.gws.barrier(i32, i32) #1
declare void @llvm.amdgcn.ds.gws.init(i32, i32) #2


attributes #0 = { "target-features"="+gws"}
attributes #1 = { convergent inaccessiblememonly nounwind }
attributes #2 = { convergent inaccessiblememonly nounwind writeonly }