llvm-project/llvm/test/CodeGen/X86/nomerge.ll

37 lines
665 B
LLVM

; RUN: llc < %s -mtriple=x86_64 -o - | FileCheck %s
define void @foo(i32 %i) {
entry:
switch i32 %i, label %if.end3 [
i32 5, label %if.then
i32 7, label %if.then2
]
if.then:
tail call void @bar() #0
br label %if.end3
if.then2:
tail call void @bar() #0
br label %if.end3
if.end3:
tail call void @bar() #0
ret void
}
declare dso_local void @bar()
attributes #0 = { nomerge }
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK: # %bb.1: # %entry
; CHECK: # %bb.2: # %if.then
; CHECK-NEXT: callq bar
; CHECK: jmp bar # TAILCALL
; CHECK: .LBB0_3: # %if.then2
; CHECK: callq bar
; CHECK: .LBB0_4: # %if.end3
; CHECK: jmp bar # TAILCALL