llvm-project/llvm/test/CodeGen/AMDGPU/switch-unreachable.ll

27 lines
626 B
LLVM

; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck %s
; This testcase was discovered in si-annotate-cf.ll, where none of the
; RUN lines was actually exercising it. See that files git log for its
; history.
; FIXME: should emit s_endpgm
; CHECK-LABEL: {{^}}switch_unreachable:
; CHECK-NOT: s_endpgm
; CHECK: .Lfunc_end
define amdgpu_kernel void @switch_unreachable(i32 addrspace(1)* %g, i8 addrspace(3)* %l, i32 %x) nounwind {
centry:
switch i32 %x, label %sw.default [
i32 0, label %sw.bb
i32 60, label %sw.bb
]
sw.bb:
unreachable
sw.default:
unreachable
sw.epilog:
ret void
}