| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: opt -S < %s -passes=dce | FileCheck %s |
| |
| define void @dead_readfirstlane_convergencetoken(<2 x i32> %src) convergent { |
| ; CHECK-LABEL: define void @dead_readfirstlane_convergencetoken( |
| ; CHECK-SAME: <2 x i32> [[SRC:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: ret void |
| ; |
| %t = tail call token @llvm.experimental.convergence.entry() |
| %vec = call <2 x i32> @llvm.amdgcn.readfirstlane.v2i32(<2 x i32> %src) [ "convergencectrl"(token %t) ] |
| ret void |
| } |
