llvm/test/CodeGen/CSKY/indirectbr.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -csky-no-aliases < %s -mtriple=csky -mattr=+2e3 | FileCheck %s
; RUN: llc -verify-machineinstrs -csky-no-aliases < %s -mtriple=csky -relocation-model=pic -code-model=small -mattr=+2e3 | FileCheck %s --check-prefix=CHECK-PIC-SMALL
; RUN: llc -verify-machineinstrs -csky-no-aliases < %s -mtriple=csky -relocation-model=pic -code-model=large -mattr=+2e3 | FileCheck %s --check-prefix=CHECK-PIC-LARGE

@f.a = private unnamed_addr constant [2 x ptr] [ptr blockaddress(@f, %return), ptr blockaddress(@f, %l2)], align 16

define i32 @f(i32 %x) #0 {
; CHECK-LABEL: f:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    lrw32 a1, [.LCPI0_0]
; CHECK-NEXT:    ldr32.w a0, (a1, a0 << 2)
; CHECK-NEXT:    jmp32 a0
; CHECK-NEXT:  .Ltmp0: # Block address taken
; CHECK-NEXT:  .LBB0_1: # %return
; CHECK-NEXT:    movi16 a0, 1
; CHECK-NEXT:    rts16
; CHECK-NEXT:  .Ltmp1: # Block address taken
; CHECK-NEXT:  .LBB0_2: # %l2
; CHECK-NEXT:    movi16 a0, 2
; CHECK-NEXT:    rts16
; CHECK-NEXT:    .p2align 1
; CHECK-NEXT:  # %bb.3:
; CHECK-NEXT:    .p2align 2
; CHECK-NEXT:  .LCPI0_0:
; CHECK-NEXT:    .long .Lf.a
;
; CHECK-PIC-SMALL-LABEL: f:
; CHECK-PIC-SMALL:       # %bb.0: # %entry
; CHECK-PIC-SMALL-NEXT:    subi16 sp, sp, 4
; CHECK-PIC-SMALL-NEXT:    .cfi_def_cfa_offset 4
; CHECK-PIC-SMALL-NEXT:    st32.w rgb, (sp, 0) # 4-byte Folded Spill
; CHECK-PIC-SMALL-NEXT:    .cfi_offset rgb, -4
; CHECK-PIC-SMALL-NEXT:    .cfi_def_cfa_offset 4
; CHECK-PIC-SMALL-NEXT:    lrw32 rgb, [.LCPI0_0]
; CHECK-PIC-SMALL-NEXT:    lrw32 a1, [.LCPI0_1]
; CHECK-PIC-SMALL-NEXT:    addu32 a1, rgb, a1
; CHECK-PIC-SMALL-NEXT:    ldr32.w a0, (a1, a0 << 2)
; CHECK-PIC-SMALL-NEXT:    jmp32 a0
; CHECK-PIC-SMALL-NEXT:  .Ltmp0: # Block address taken
; CHECK-PIC-SMALL-NEXT:  .LBB0_1: # %return
; CHECK-PIC-SMALL-NEXT:    movi16 a0, 1
; CHECK-PIC-SMALL-NEXT:    br32 .LBB0_3
; CHECK-PIC-SMALL-NEXT:  .Ltmp1: # Block address taken
; CHECK-PIC-SMALL-NEXT:  .LBB0_2: # %l2
; CHECK-PIC-SMALL-NEXT:    movi16 a0, 2
; CHECK-PIC-SMALL-NEXT:  .LBB0_3: # %.split
; CHECK-PIC-SMALL-NEXT:    ld32.w rgb, (sp, 0) # 4-byte Folded Reload
; CHECK-PIC-SMALL-NEXT:    addi16 sp, sp, 4
; CHECK-PIC-SMALL-NEXT:    rts16
; CHECK-PIC-SMALL-NEXT:    .p2align 1
; CHECK-PIC-SMALL-NEXT:  # %bb.4:
; CHECK-PIC-SMALL-NEXT:    .p2align 2
; CHECK-PIC-SMALL-NEXT:  .LCPI0_0:
; CHECK-PIC-SMALL-NEXT:    .long _GLOBAL_OFFSET_TABLE_
; CHECK-PIC-SMALL-NEXT:  .LCPI0_1:
; CHECK-PIC-SMALL-NEXT:    .long .Lf.a@GOTOFF
;
; CHECK-PIC-LARGE-LABEL: f:
; CHECK-PIC-LARGE:       # %bb.0: # %entry
; CHECK-PIC-LARGE-NEXT:    subi16 sp, sp, 4
; CHECK-PIC-LARGE-NEXT:    .cfi_def_cfa_offset 4
; CHECK-PIC-LARGE-NEXT:    st32.w rgb, (sp, 0) # 4-byte Folded Spill
; CHECK-PIC-LARGE-NEXT:    .cfi_offset rgb, -4
; CHECK-PIC-LARGE-NEXT:    .cfi_def_cfa_offset 4
; CHECK-PIC-LARGE-NEXT:    lrw32 rgb, [.LCPI0_0]
; CHECK-PIC-LARGE-NEXT:    lrw32 a1, [.LCPI0_1]
; CHECK-PIC-LARGE-NEXT:    addu32 a1, rgb, a1
; CHECK-PIC-LARGE-NEXT:    ldr32.w a0, (a1, a0 << 2)
; CHECK-PIC-LARGE-NEXT:    jmp32 a0
; CHECK-PIC-LARGE-NEXT:  .Ltmp0: # Block address taken
; CHECK-PIC-LARGE-NEXT:  .LBB0_1: # %return
; CHECK-PIC-LARGE-NEXT:    movi16 a0, 1
; CHECK-PIC-LARGE-NEXT:    br32 .LBB0_3
; CHECK-PIC-LARGE-NEXT:  .Ltmp1: # Block address taken
; CHECK-PIC-LARGE-NEXT:  .LBB0_2: # %l2
; CHECK-PIC-LARGE-NEXT:    movi16 a0, 2
; CHECK-PIC-LARGE-NEXT:  .LBB0_3: # %.split
; CHECK-PIC-LARGE-NEXT:    ld32.w rgb, (sp, 0) # 4-byte Folded Reload
; CHECK-PIC-LARGE-NEXT:    addi16 sp, sp, 4
; CHECK-PIC-LARGE-NEXT:    rts16
; CHECK-PIC-LARGE-NEXT:    .p2align 1
; CHECK-PIC-LARGE-NEXT:  # %bb.4:
; CHECK-PIC-LARGE-NEXT:    .p2align 2
; CHECK-PIC-LARGE-NEXT:  .LCPI0_0:
; CHECK-PIC-LARGE-NEXT:    .long _GLOBAL_OFFSET_TABLE_
; CHECK-PIC-LARGE-NEXT:  .LCPI0_1:
; CHECK-PIC-LARGE-NEXT:    .long .Lf.a@GOTOFF
entry:
  %idxprom = sext i32 %x to i64
  %arrayidx = getelementptr inbounds [2 x ptr], ptr @f.a, i64 0, i64 %idxprom
  %0 = load ptr, ptr %arrayidx, align 8
  indirectbr ptr %0, [label %return, label %l2]

l2:                                               ; preds = %entry
  br label %return

return:                                           ; preds = %entry, %l2
  %retval.0 = phi i32 [ 2, %l2 ], [ 1, %entry ]
  ret i32 %retval.0
}