# RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s --- | define i32 @test_jumptable(i32 %in) { entry: switch i32 %in, label %def [ i32 0, label %lbl1 i32 1, label %lbl2 i32 2, label %lbl3 i32 3, label %lbl4 ] def: ret i32 0 lbl1: ret i32 1 lbl2: ret i32 2 lbl3: ret i32 4 lbl4: ret i32 8 } ... --- name: test_jumptable jumpTable: kind: label-difference32 entries: - id: 0 blocks: [ '%bb.3.lbl1', '%bb.4.lbl2', '%bb.5.lbl3', '%bb.6.lbl4' ] body: | bb.0.entry: successors: %bb.2.def, %bb.1.entry $eax = MOV32rr $edi, implicit-def $rax CMP32ri8 $edi, 3, implicit-def $eflags JA_1 %bb.2.def, implicit $eflags bb.1.entry: successors: %bb.3.lbl1, %bb.4.lbl2, %bb.5.lbl3, %bb.6.lbl4 ; CHECK: [[@LINE+1]]:31: use of undefined jump table '%jump-table.2' $rcx = LEA64r $rip, 1, _, %jump-table.2, _ $rax = MOVSX64rm32 $rcx, 4, $rax, 0, _ $rax = ADD64rr $rax, $rcx, implicit-def $eflags JMP64r $rax bb.2.def: $eax = MOV32r0 implicit-def $eflags RETQ $eax bb.3.lbl1: $eax = MOV32ri 1 RETQ $eax bb.4.lbl2: $eax = MOV32ri 2 RETQ $eax bb.5.lbl3: $eax = MOV32ri 4 RETQ $eax bb.6.lbl4: $eax = MOV32ri 8 RETQ $eax ...