llvm/test/Transforms/RewriteStatepointsForGC/patchable-statepoints.ll

   1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
   2 ; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s
   3
   4 declare void @f()
   5 declare i32 @personality_function()
   6
   7 define void @test_id() gc "statepoint-example" personality ptr @personality_function {
   8 ; CHECK-LABEL: @test_id(
   9 ; CHECK-NEXT:  entry:
  10 ; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 100, i32 0, ptr elementtype(void ()) @f, i32 0, i32 0, i32 0, i32 0)
  11 ; CHECK-NEXT:    to label [[NORMAL_RETURN:%.*]] unwind label [[EXCEPTIONAL_RETURN:%.*]]
  12 ; CHECK:       normal_return:
  13 ; CHECK-NEXT:    ret void
  14 ; CHECK:       exceptional_return:
  15 ; CHECK-NEXT:    [[LANDING_PAD4:%.*]] = landingpad { ptr, i32 }
  16 ; CHECK-NEXT:    cleanup
  17 ; CHECK-NEXT:    ret void
  18 ;
  19 entry:
  20   invoke void @f()  "statepoint-id"="100" to label %normal_return unwind label %exceptional_return
  21
  22 normal_return:
  23   ret void
  24
  25 exceptional_return:
  26   %landing_pad4 = landingpad {ptr, i32} cleanup
  27   ret void
  28 }
  29
  30 define void @test_num_patch_bytes() gc "statepoint-example" personality ptr @personality_function {
  31 ; CHECK-LABEL: @test_num_patch_bytes(
  32 ; CHECK-NEXT:  entry:
  33 ; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = invoke token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 99, ptr elementtype(void ()) @f, i32 0, i32 0, i32 0, i32 0)
  34 ; CHECK-NEXT:    to label [[NORMAL_RETURN:%.*]] unwind label [[EXCEPTIONAL_RETURN:%.*]]
  35 ; CHECK:       normal_return:
  36 ; CHECK-NEXT:    ret void
  37 ; CHECK:       exceptional_return:
  38 ; CHECK-NEXT:    [[LANDING_PAD4:%.*]] = landingpad { ptr, i32 }
  39 ; CHECK-NEXT:    cleanup
  40 ; CHECK-NEXT:    ret void
  41 ;
  42 entry:
  43   invoke void @f()  "statepoint-num-patch-bytes"="99" to label %normal_return unwind label %exceptional_return
  44
  45 normal_return:
  46   ret void
  47
  48 exceptional_return:
  49   %landing_pad4 = landingpad {ptr, i32} cleanup
  50   ret void
  51 }
  52
  53 declare void @do_safepoint()
  54 define void @gc.safepoint_poll() {
  55 ; CHECK-LABEL: @gc.safepoint_poll(
  56 ; CHECK-NEXT:  entry:
  57 ; CHECK-NEXT:    call void @do_safepoint()
  58 ; CHECK-NEXT:    ret void
  59 ;
  60 entry:
  61   call void @do_safepoint()
  62   ret void
  63 }
  64
  65 ; CHECK-NOT: statepoint-id
  66 ; CHECK-NOT: statepoint-num-patch_bytes