llvm/test/Transforms/JumpThreading/skip-merging-duplicate-convergence-intrinsics.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -passes=jump-threading | FileCheck %s

declare token @llvm.experimental.convergence.entry() #0

define void @nested(i32 %tidx, i32 %tidy, ptr %array) #0 {
; CHECK-LABEL: @nested(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call token @llvm.experimental.convergence.entry()
; CHECK-NEXT:    [[TMP1:%.*]] = or i32 [[TIDY:%.*]], [[TIDX:%.*]]
; CHECK-NEXT:    [[OR_COND_I:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK-NEXT:    br label [[FOR_COND_I:%.*]]
; CHECK:       for.cond.i:
; CHECK-NEXT:    [[TMP2:%.*]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[TMP0]]) ]
; CHECK-NEXT:    br label [[FOR_COND1_I:%.*]]
; CHECK:       for.cond1.i:
; CHECK-NEXT:    [[CMP2_I:%.*]] = phi i1 [ false, [[FOR_BODY4_I:%.*]] ], [ true, [[FOR_COND_I]] ]
; CHECK-NEXT:    [[TMP3:%.*]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[TMP2]]) ]
; CHECK-NEXT:    br i1 [[CMP2_I]], label [[FOR_BODY4_I]], label [[EXIT:%.*]]
; CHECK:       for.body4.i:
; CHECK-NEXT:    br i1 [[OR_COND_I]], label [[IF_THEN_I:%.*]], label [[FOR_COND1_I]]
; CHECK:       if.then.i:
; CHECK-NEXT:    [[TEST_VAL:%.*]] = call spir_func i32 @func_test(i32 0) [ "convergencectrl"(token [[TMP3]]) ]
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[ARRAY:%.*]], i32 0
; CHECK-NEXT:    store i32 [[TEST_VAL]], ptr [[TMP4]], align 4
; CHECK-NEXT:    br label [[EXIT]]
; CHECK:       exit:
; CHECK-NEXT:    ret void
;
entry:
  %0 = tail call token @llvm.experimental.convergence.entry()
  %2 = or i32 %tidy, %tidx
  %or.cond.i = icmp eq i32 %2, 0
  br label %for.cond.i

for.cond.i:
  %3 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %0) ]
  br label %for.cond1.i

for.cond1.i:
  %cmp2.i = phi i1 [ false, %for.body4.i ], [ true, %for.cond.i ]
  %4 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %3) ]
  br i1 %cmp2.i, label %for.body4.i, label %cleanup.i.loopexit

for.body4.i:
  br i1 %or.cond.i, label %if.then.i, label %for.cond1.i

if.then.i:
  %test.val = call spir_func i32 @func_test(i32 0) [ "convergencectrl"(token %4) ]
  %5 = getelementptr inbounds i32, ptr %array, i32 0
  store i32 %test.val, ptr %5, align 4
  br label %cleanup.i

cleanup.i.loopexit:
  br label %cleanup.i

cleanup.i:
  br label %exit

exit:
  ret void
}

declare token @llvm.experimental.convergence.loop() #0

declare i32 @func_test(i32) #0

attributes #0 = { convergent }