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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 --min-jump-table-entries=5 < %s \
; RUN: | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 --min-jump-table-entries=5 < %s \
; RUN: | FileCheck %s --check-prefix=LA64
; RUN: llc --mtriple=loongarch32 --min-jump-table-entries=4 < %s \
; RUN: | FileCheck %s --check-prefix=LA32-JT
; RUN: llc --mtriple=loongarch64 --min-jump-table-entries=4 < %s \
; RUN: | FileCheck %s --check-prefix=LA64-JT
;; The default mininum number of entries to use a jump table is 4.
;;
;; Note: The parameter `--min-jump-table-entries` will have no effect once we
;; have set the default value using `setMinimumJumpTableEntries`.
define void @switch_4_arms(i32 %in, ptr %out) nounwind {
; LA32-LABEL: switch_4_arms:
; LA32: # %bb.0: # %entry
; LA32-NEXT: ori $a2, $zero, 2
; LA32-NEXT: blt $a2, $a0, .LBB0_4
; LA32-NEXT: # %bb.1: # %entry
; LA32-NEXT: ori $a3, $zero, 1
; LA32-NEXT: beq $a0, $a3, .LBB0_7
; LA32-NEXT: # %bb.2: # %entry
; LA32-NEXT: bne $a0, $a2, .LBB0_9
; LA32-NEXT: # %bb.3: # %bb2
; LA32-NEXT: ori $a0, $zero, 3
; LA32-NEXT: st.w $a0, $a1, 0
; LA32-NEXT: ret
; LA32-NEXT: .LBB0_4: # %entry
; LA32-NEXT: ori $a3, $zero, 3
; LA32-NEXT: beq $a0, $a3, .LBB0_8
; LA32-NEXT: # %bb.5: # %entry
; LA32-NEXT: ori $a2, $zero, 4
; LA32-NEXT: bne $a0, $a2, .LBB0_9
; LA32-NEXT: # %bb.6: # %bb4
; LA32-NEXT: ori $a0, $zero, 1
; LA32-NEXT: st.w $a0, $a1, 0
; LA32-NEXT: ret
; LA32-NEXT: .LBB0_7: # %bb1
; LA32-NEXT: ori $a0, $zero, 4
; LA32-NEXT: st.w $a0, $a1, 0
; LA32-NEXT: ret
; LA32-NEXT: .LBB0_8: # %bb3
; LA32-NEXT: st.w $a2, $a1, 0
; LA32-NEXT: .LBB0_9: # %exit
; LA32-NEXT: ret
;
; LA64-LABEL: switch_4_arms:
; LA64: # %bb.0: # %entry
; LA64-NEXT: bstrpick.d $a0, $a0, 31, 0
; LA64-NEXT: ori $a2, $zero, 2
; LA64-NEXT: blt $a2, $a0, .LBB0_4
; LA64-NEXT: # %bb.1: # %entry
; LA64-NEXT: ori $a3, $zero, 1
; LA64-NEXT: beq $a0, $a3, .LBB0_7
; LA64-NEXT: # %bb.2: # %entry
; LA64-NEXT: bne $a0, $a2, .LBB0_9
; LA64-NEXT: # %bb.3: # %bb2
; LA64-NEXT: ori $a0, $zero, 3
; LA64-NEXT: st.w $a0, $a1, 0
; LA64-NEXT: ret
; LA64-NEXT: .LBB0_4: # %entry
; LA64-NEXT: ori $a3, $zero, 3
; LA64-NEXT: beq $a0, $a3, .LBB0_8
; LA64-NEXT: # %bb.5: # %entry
; LA64-NEXT: ori $a2, $zero, 4
; LA64-NEXT: bne $a0, $a2, .LBB0_9
; LA64-NEXT: # %bb.6: # %bb4
; LA64-NEXT: ori $a0, $zero, 1
; LA64-NEXT: st.w $a0, $a1, 0
; LA64-NEXT: ret
; LA64-NEXT: .LBB0_7: # %bb1
; LA64-NEXT: ori $a0, $zero, 4
; LA64-NEXT: st.w $a0, $a1, 0
; LA64-NEXT: ret
; LA64-NEXT: .LBB0_8: # %bb3
; LA64-NEXT: st.w $a2, $a1, 0
; LA64-NEXT: .LBB0_9: # %exit
; LA64-NEXT: ret
;
; LA32-JT-LABEL: switch_4_arms:
; LA32-JT: # %bb.0: # %entry
; LA32-JT-NEXT: addi.w $a2, $a0, -1
; LA32-JT-NEXT: ori $a0, $zero, 3
; LA32-JT-NEXT: bltu $a0, $a2, .LBB0_6
; LA32-JT-NEXT: # %bb.1: # %entry
; LA32-JT-NEXT: pcalau12i $a3, %pc_hi20(.LJTI0_0)
; LA32-JT-NEXT: addi.w $a3, $a3, %pc_lo12(.LJTI0_0)
; LA32-JT-NEXT: alsl.w $a2, $a2, $a3, 2
; LA32-JT-NEXT: ld.w $a2, $a2, 0
; LA32-JT-NEXT: jr $a2
; LA32-JT-NEXT: .LBB0_2: # %bb1
; LA32-JT-NEXT: ori $a0, $zero, 4
; LA32-JT-NEXT: b .LBB0_5
; LA32-JT-NEXT: .LBB0_3: # %bb3
; LA32-JT-NEXT: ori $a0, $zero, 2
; LA32-JT-NEXT: b .LBB0_5
; LA32-JT-NEXT: .LBB0_4: # %bb4
; LA32-JT-NEXT: ori $a0, $zero, 1
; LA32-JT-NEXT: .LBB0_5: # %exit
; LA32-JT-NEXT: st.w $a0, $a1, 0
; LA32-JT-NEXT: .LBB0_6: # %exit
; LA32-JT-NEXT: ret
;
; LA64-JT-LABEL: switch_4_arms:
; LA64-JT: # %bb.0: # %entry
; LA64-JT-NEXT: bstrpick.d $a0, $a0, 31, 0
; LA64-JT-NEXT: addi.d $a2, $a0, -1
; LA64-JT-NEXT: ori $a0, $zero, 3
; LA64-JT-NEXT: bltu $a0, $a2, .LBB0_6
; LA64-JT-NEXT: # %bb.1: # %entry
; LA64-JT-NEXT: slli.d $a2, $a2, 3
; LA64-JT-NEXT: pcalau12i $a3, %pc_hi20(.LJTI0_0)
; LA64-JT-NEXT: addi.d $a3, $a3, %pc_lo12(.LJTI0_0)
; LA64-JT-NEXT: ldx.d $a2, $a2, $a3
; LA64-JT-NEXT: jr $a2
; LA64-JT-NEXT: .LBB0_2: # %bb1
; LA64-JT-NEXT: ori $a0, $zero, 4
; LA64-JT-NEXT: b .LBB0_5
; LA64-JT-NEXT: .LBB0_3: # %bb3
; LA64-JT-NEXT: ori $a0, $zero, 2
; LA64-JT-NEXT: b .LBB0_5
; LA64-JT-NEXT: .LBB0_4: # %bb4
; LA64-JT-NEXT: ori $a0, $zero, 1
; LA64-JT-NEXT: .LBB0_5: # %exit
; LA64-JT-NEXT: st.w $a0, $a1, 0
; LA64-JT-NEXT: .LBB0_6: # %exit
; LA64-JT-NEXT: ret
entry:
switch i32 %in, label %exit [
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
]
bb1:
store i32 4, ptr %out
br label %exit
bb2:
store i32 3, ptr %out
br label %exit
bb3:
store i32 2, ptr %out
br label %exit
bb4:
store i32 1, ptr %out
br label %exit
exit:
ret void
}
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