; 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: addi.w $a0, $a0, 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: addi.w $a0, $a0, 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 }