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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=jump-threading -aa-pipeline basic-aa < %s | FileCheck %s
define void @foo(ptr %arg1, ptr %arg2) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: bb:
; CHECK-NEXT: br label [[BB1:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[TMP:%.*]] = phi i1 [ false, [[BB24:%.*]] ], [ true, [[BB:%.*]] ]
; CHECK-NEXT: br i1 [[TMP]], label [[BB8:%.*]], label [[BB24]]
; CHECK: bb8:
; CHECK-NEXT: ret void
; CHECK: bb24:
; CHECK-NEXT: br label [[BB1]]
;
bb:
br label %bb1
bb1:
%tmp = phi i1 [ 0, %bb24 ], [ 1, %bb ]
br i1 %tmp, label %bb9, label %bb24
bb9:
br i1 %tmp, label %bb8, label %bb20
bb8:
ret void
bb13:
br label %bb14
bb14:
%tmp15 = phi ptr [ %tmp21, %bb20 ], [ %arg2, %bb13 ]
%tmp16 = phi ptr [ %tmp22, %bb20 ], [ %arg1, %bb13 ]
store atomic i32 0, ptr %tmp15 unordered, align 4
%tmp17 = load atomic ptr, ptr %tmp16 unordered, align 8
%tmp18 = icmp eq ptr %tmp17, null
br i1 %tmp18, label %bb25, label %bb19
bb19:
ret void
bb20:
%tmp21 = phi ptr [ %arg2, %bb9 ]
%tmp22 = phi ptr [ %arg1, %bb9 ]
br label %bb14
bb24:
br label %bb1
bb25:
ret void
}
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