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llvm-mirror/test/CodeGen/AArch64/max-jump-table.ll
Evandro Menezes aa1d2d9fb2 [AArch64] Add pipeline model for Exynos M3
Add the scheduling and cost model for Exynos M3.

Differential revision: https://reviews.llvm.org/D42387

llvm-svn: 323773
2018-01-30 15:40:16 +00:00

101 lines
3.8 KiB
LLVM

; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECK0 < %t
; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -max-jump-table-size=4 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECK4 < %t
; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -max-jump-table-size=8 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECK8 < %t
; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -mcpu=exynos-m1 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECKM1 < %t
; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -mcpu=exynos-m3 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECKM3 < %t
declare void @ext(i32)
define i32 @jt1(i32 %a, i32 %b) {
entry:
switch i32 %a, label %return [
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
i32 5, label %bb5
i32 6, label %bb6
i32 7, label %bb7
i32 8, label %bb8
i32 9, label %bb9
i32 10, label %bb10
i32 11, label %bb11
i32 12, label %bb12
i32 13, label %bb13
i32 14, label %bb14
i32 15, label %bb15
i32 16, label %bb16
i32 17, label %bb17
]
; CHECK-LABEL: function jt1:
; CHECK-NEXT: Jump Tables:
; CHECK0-NEXT: %jump-table.0:
; CHECK0-NOT: %jump-table.1:
; CHECK4-NEXT: %jump-table.0:
; CHECK4-SAME: %jump-table.1:
; CHECK4-SAME: %jump-table.2:
; CHECK4-SAME: %jump-table.3:
; CHECK4-NOT: %jump-table.4:
; CHECK8-NEXT: %jump-table.0:
; CHECK8-SAME: %jump-table.1:
; CHECK8-NOT: %jump-table.2:
; CHECKM1-NEXT: %jump-table.0:
; CHECKM1-SAME: %jump-table.1
; CHECKM1-NOT: %jump-table.2:
; CHECKM3-NEXT: %jump-table.0:
; CHECKM3-NOT: %jump-table.1:
bb1: tail call void @ext(i32 0) br label %return
bb2: tail call void @ext(i32 2) br label %return
bb3: tail call void @ext(i32 4) br label %return
bb4: tail call void @ext(i32 6) br label %return
bb5: tail call void @ext(i32 8) br label %return
bb6: tail call void @ext(i32 10) br label %return
bb7: tail call void @ext(i32 12) br label %return
bb8: tail call void @ext(i32 14) br label %return
bb9: tail call void @ext(i32 16) br label %return
bb10: tail call void @ext(i32 18) br label %return
bb11: tail call void @ext(i32 20) br label %return
bb12: tail call void @ext(i32 22) br label %return
bb13: tail call void @ext(i32 24) br label %return
bb14: tail call void @ext(i32 26) br label %return
bb15: tail call void @ext(i32 28) br label %return
bb16: tail call void @ext(i32 30) br label %return
bb17: tail call void @ext(i32 32) br label %return
return: ret i32 %b
}
define void @jt2(i32 %x) {
entry:
switch i32 %x, label %return [
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
i32 14, label %bb5
i32 15, label %bb6
]
; CHECK-LABEL: function jt2:
; CHECK-NEXT: Jump Tables:
; CHECK0-NEXT: %jump-table.0: %bb.1 %bb.2 %bb.3 %bb.4 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.5 %bb.6{{$}}
; CHECK0-NOT: %jump-table.1
; CHECK4-NEXT: %jump-table.0: %bb.1 %bb.2 %bb.3 %bb.4{{$}}
; CHECK4-NOT: %jump-table.1
; CHECK8-NEXT: %jump-table.0: %bb.1 %bb.2 %bb.3 %bb.4{{$}}
; CHECK8-NOT: %jump-table.1
; CHECKM1-NEXT: %jump-table.0: %bb.1 %bb.2 %bb.3 %bb.4{{$}}
; CHECKM1-NOT: %jump-table.1
; CHECKM3-NEXT: %jump-table.0: %bb.1 %bb.2 %bb.3 %bb.4 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.7 %bb.5 %bb.6{{$}}
; CHECKM3-NOT: %jump-table.1
bb1: tail call void @ext(i32 1) br label %return
bb2: tail call void @ext(i32 2) br label %return
bb3: tail call void @ext(i32 3) br label %return
bb4: tail call void @ext(i32 4) br label %return
bb5: tail call void @ext(i32 5) br label %return
bb6: tail call void @ext(i32 6) br label %return
return: ret void
}