xref: /llvm-project/llvm/test/Transforms/IRNormalizer/regression-convergence-tokens.ll (revision 2e9f8696e9533fdd464e025bd504302fa1a22f14)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -S -passes=normalize < %s | FileCheck %s
3
4; Function Attrs: convergent nounwind readnone
5define i32 @nested(i32 %src) #0 {
6; CHECK-LABEL: define i32 @nested(
7; CHECK-SAME: i32 [[A0:%.*]]) #[[ATTR0:[0-9]+]] {
8; CHECK-NEXT:  [[BB15160:.*:]]
9; CHECK-NEXT:    [[T1:%.*]] = call token @llvm.experimental.convergence.entry()
10; CHECK-NEXT:    %"vl15001llvm.experimental.convergence.anchor()" = call token @llvm.experimental.convergence.anchor()
11; CHECK-NEXT:    %"op68297llvm.amdgcn.readfirstlane.i32([[A0]], vl15001llvm.experimental.convergence.anchor())" = call i32 @llvm.amdgcn.readfirstlane.i32(i32 [[A0]]) [ "convergencectrl"(token %"vl15001llvm.experimental.convergence.anchor()") ]
12; CHECK-NEXT:    ret i32 undef
13;
14  %t1 = call token @llvm.experimental.convergence.entry()
15  %t2 = call token @llvm.experimental.convergence.anchor()
16  %r2 = call i32 @llvm.amdgcn.readfirstlane(i32 %src) [ "convergencectrl"(token %t2) ]
17  ret i32 undef
18}
19
20; Function Attrs: convergent nounwind readnone
21declare i32 @llvm.amdgcn.readfirstlane(i32) #0
22
23declare token @llvm.experimental.convergence.entry()
24
25declare token @llvm.experimental.convergence.anchor()
26
27attributes #0 = { convergent nounwind readnone }
28