; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc < %s -mtriple=x86_64 -o - | FileCheck %s define void @foo(i32 %i) nounwind { ; CHECK-LABEL: foo: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushq %rax ; CHECK-NEXT: cmpl $7, %edi ; CHECK-NEXT: je .LBB0_3 ; CHECK-NEXT: # %bb.1: # %entry ; CHECK-NEXT: cmpl $5, %edi ; CHECK-NEXT: jne .LBB0_4 ; CHECK-NEXT: # %bb.2: # %if.then ; CHECK-NEXT: callq bar ; CHECK-NEXT: popq %rax ; CHECK-NEXT: jmp bar # TAILCALL ; CHECK-NEXT: .LBB0_3: # %if.then2 ; CHECK-NEXT: callq bar ; CHECK-NEXT: .LBB0_4: # %if.end3 ; CHECK-NEXT: popq %rax ; CHECK-NEXT: jmp bar # TAILCALL 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 } define void @foo_tail(i1 %i) nounwind { ; CHECK-LABEL: foo_tail: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testb $1, %dil ; CHECK-NEXT: je bar # TAILCALL ; CHECK-NEXT: # %bb.1: # %if.then ; CHECK-NEXT: jmp bar # TAILCALL entry: br i1 %i, label %if.then, label %if.else if.then: tail call void @bar() #0 br label %if.end if.else: tail call void @bar() #0 br label %if.end if.end: ret void } declare dso_local void @bar() attributes #0 = { nomerge }