File: convergent-inlineasm.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (50 lines) | stat: -rw-r--r-- 1,607 bytes parent folder | download | duplicates (9)
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
; RUN: llc -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

declare i32 @llvm.amdgcn.workitem.id.x() #0
; GCN-LABEL: {{^}}convergent_inlineasm:
; GCN: %bb.0:
; GCN: v_cmp_ne_u32_e64
; GCN: s_cbranch_execz
; GCN: ; %bb.{{[0-9]+}}:
define amdgpu_kernel void @convergent_inlineasm(ptr addrspace(1) nocapture %arg) {
bb:
  %tmp = call i32 @llvm.amdgcn.workitem.id.x()
  %tmp1 = tail call i64 asm "v_cmp_ne_u32_e64 $0, 0, $1", "=s,v"(i32 1) #1
  %tmp2 = icmp eq i32 %tmp, 8
  br i1 %tmp2, label %bb3, label %bb5

bb3:                                              ; preds = %bb
  %tmp4 = getelementptr i64, ptr addrspace(1) %arg, i32 %tmp
  store i64 %tmp1, ptr addrspace(1) %arg, align 8
  br label %bb5

bb5:                                              ; preds = %bb3, %bb
  ret void
}

; GCN-LABEL: {{^}}nonconvergent_inlineasm:
; GCN: s_cbranch_execz

; GCN: ; %bb.{{[0-9]+}}:
; GCN: v_cmp_ne_u32_e64

; GCN: BB{{[0-9]+_[0-9]+}}:

define amdgpu_kernel void @nonconvergent_inlineasm(ptr addrspace(1) nocapture %arg) {
bb:
  %tmp = call i32 @llvm.amdgcn.workitem.id.x()
  %tmp1 = tail call i64 asm "v_cmp_ne_u32_e64 $0, 0, $1", "=s,v"(i32 1)
  %tmp2 = icmp eq i32 %tmp, 8
  br i1 %tmp2, label %bb3, label %bb5

bb3:                                              ; preds = %bb
  %tmp4 = getelementptr i64, ptr addrspace(1) %arg, i32 %tmp
  store i64 %tmp1, ptr addrspace(1) %arg, align 8
  br label %bb5

bb5:                                              ; preds = %bb3, %bb
  ret void
}

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