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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv6m-none-unknown-eabi -tail-dup-placement-threshold=3 < %s | FileCheck %s
define hidden void @test() {
; CHECK-LABEL: test:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: movs r0, #1
; CHECK-NEXT: lsls r1, r0, #2
; CHECK-NEXT: b .LBB0_2
; CHECK-NEXT: .LBB0_1: @ %bb2
; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: cmp r0, #0
; CHECK-NEXT: bne .LBB0_6
; CHECK-NEXT: .LBB0_2: @ %switch
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: adr r2, .LJTI0_0
; CHECK-NEXT: ldr r2, [r2, r1]
; CHECK-NEXT: mov pc, r2
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .LJTI0_0:
; CHECK-NEXT: .long .LBB0_6+1
; CHECK-NEXT: .long .LBB0_4+1
; CHECK-NEXT: .long .LBB0_6+1
; CHECK-NEXT: .long .LBB0_5+1
; CHECK-NEXT: .LBB0_4: @ %switch
; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: b .LBB0_1
; CHECK-NEXT: .LBB0_5: @ %bb
; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: cmp r0, #0
; CHECK-NEXT: beq .LBB0_1
; CHECK-NEXT: .LBB0_6: @ %dead
entry:
br label %switch
switch: ; preds = %bb2, %entry
switch i32 undef, label %dead2 [
i32 0, label %dead
i32 1, label %bb2
i32 2, label %dead
i32 3, label %bb
]
dead: ; preds = %bb2, %bb, %switch, %switch
unreachable
dead2: ; preds = %switch
unreachable
bb: ; preds = %switch
br i1 undef, label %dead, label %bb2
bb2: ; preds = %bb, %switch
br i1 undef, label %dead, label %switch
}
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