llvm-for-llvmta/test/CodeGen/Thumb2/thumb2-jtb.ll

136 lines
3.8 KiB
LLVM

; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 -arm-adjust-jump-tables=0 %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv6-eabi -mcpu=cortex-m0 -arm-adjust-jump-tables=0 %s -o - | FileCheck %s
; Do not use tbb / tbh if any destination is before the jumptable.
; rdar://7102917
define i16 @main__getopt_internal_2E_exit_2E_ce(i32, i1 %b) nounwind {
; CHECK: main__getopt_internal_2E_exit_2E_ce
; CHECK-NOT: tbb
; CHECK-NOT: tbh
; 32-bit jump tables use explicit branches, not data regions, so make sure
; we don't annotate this region.
; CHECK-NOT: data_region
entry:
br i1 %b, label %codeRepl127.exitStub, label %newFuncRoot
codeRepl127.exitStub: ; preds = %_getopt_internal.exit.ce
; Add an explicit edge back to before the jump table to ensure this block
; is placed first.
br i1 %b, label %newFuncRoot, label %codeRepl127.exitStub.exit
codeRepl127.exitStub.exit:
ret i16 0
parse_options.exit.loopexit.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 1
bb1.i.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 2
bb90.i.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 3
codeRepl104.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 4
codeRepl113.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 5
codeRepl51.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 6
codeRepl70.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 7
codeRepl119.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 8
codeRepl93.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 9
codeRepl101.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 10
codeRepl120.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 11
codeRepl89.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 12
codeRepl45.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 13
codeRepl58.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 14
codeRepl46.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 15
codeRepl50.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 16
codeRepl52.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 17
codeRepl53.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 18
codeRepl61.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 19
codeRepl85.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 20
codeRepl97.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 21
codeRepl79.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 22
codeRepl102.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 23
codeRepl54.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 24
codeRepl57.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 25
codeRepl103.exitStub: ; preds = %_getopt_internal.exit.ce
ret i16 26
newFuncRoot:
br label %_getopt_internal.exit.ce
_getopt_internal.exit.ce: ; preds = %newFuncRoot
switch i32 %0, label %codeRepl127.exitStub [
i32 -1, label %parse_options.exit.loopexit.exitStub
i32 0, label %bb1.i.exitStub
i32 63, label %bb90.i.exitStub
i32 66, label %codeRepl104.exitStub
i32 67, label %codeRepl113.exitStub
i32 71, label %codeRepl51.exitStub
i32 77, label %codeRepl70.exitStub
i32 78, label %codeRepl119.exitStub
i32 80, label %codeRepl93.exitStub
i32 81, label %codeRepl101.exitStub
i32 82, label %codeRepl120.exitStub
i32 88, label %codeRepl89.exitStub
i32 97, label %codeRepl45.exitStub
i32 98, label %codeRepl58.exitStub
i32 99, label %codeRepl46.exitStub
i32 100, label %codeRepl50.exitStub
i32 104, label %codeRepl52.exitStub
i32 108, label %codeRepl53.exitStub
i32 109, label %codeRepl61.exitStub
i32 110, label %codeRepl85.exitStub
i32 111, label %codeRepl97.exitStub
i32 113, label %codeRepl79.exitStub
i32 114, label %codeRepl102.exitStub
i32 115, label %codeRepl54.exitStub
i32 116, label %codeRepl57.exitStub
i32 118, label %codeRepl103.exitStub
]
}