llvm/test/Transforms/IRNormalizer/regression-convergence-tokens.ll


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

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=normalize < %s | FileCheck %s

; Function Attrs: convergent nounwind readnone
define i32 @nested(i32 %src) #0 {
; CHECK-LABEL: define i32 @nested(
; CHECK-SAME: i32 [[A0:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[BB15160:.*:]]
; CHECK-NEXT:    [[T1:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT:    %"vl77672llvm.experimental.convergence.anchor()" = call token @llvm.experimental.convergence.anchor()
; CHECK-NEXT:    %"op68297(vl77672)" = call i32 @llvm.amdgcn.readfirstlane.i32(i32 [[A0]]) [ "convergencectrl"(token %"vl77672llvm.experimental.convergence.anchor()") ]
; CHECK-NEXT:    ret i32 %"op68297(vl77672)"
;
  %t1 = call token @llvm.experimental.convergence.entry()
  %t2 = call token @llvm.experimental.convergence.anchor()
  %r2 = call i32 @llvm.amdgcn.readfirstlane(i32 %src) [ "convergencectrl"(token %t2) ]
  ret i32 %r2
}

; Function Attrs: convergent nounwind readnone
declare i32 @llvm.amdgcn.readfirstlane(i32) #0

declare token @llvm.experimental.convergence.entry()

declare token @llvm.experimental.convergence.anchor()

attributes #0 = { convergent nounwind readnone }