llvm-project/llvm/test/CodeGen/X86/switch-default-only.ll

15 lines
315 B
LLVM

; RUN: llc -O0 -fast-isel=false -march=x86 < %s | FileCheck %s
; No need for branching when the default and only destination follows
; immediately after the switch.
; CHECK-LABEL: no_branch:
; CHECK-NOT: jmp
; CHECK: ret
define void @no_branch(i32 %x) {
entry:
switch i32 %x, label %exit [ ]
exit:
ret void
}