Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/NewGVN/phi-edge-handling.ll

@@ -1,60 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -newgvn -S | FileCheck %s
-
-
-;; Block 6 is reachable, but edge 6->4 is not
-;; This means the phi value is undef, not 0
-; Function Attrs: ssp uwtable
-define i16 @hoge() local_unnamed_addr #0 align 2 {
-; CHECK-LABEL: @hoge(
-; CHECK-NEXT:  bb:
-; CHECK-NEXT:    switch i8 undef, label [[BB7:%.*]] [
-; CHECK-NEXT:    i8 0, label [[BB1:%.*]]
-; CHECK-NEXT:    i8 12, label [[BB2:%.*]]
-; CHECK-NEXT:    ]
-; CHECK:       bb1:
-; CHECK-NEXT:    br label [[BB6:%.*]]
-; CHECK:       bb2:
-; CHECK-NEXT:    br label [[BB4:%.*]]
-; CHECK:       bb3:
-; CHECK-NEXT:    unreachable
-; CHECK:       bb4:
-; CHECK-NEXT:    ret i16 undef
-; CHECK:       bb6:
-; CHECK-NEXT:    br i1 true, label [[BB3:%.*]], label [[BB4]], !llvm.loop !1
-; CHECK:       bb7:
-; CHECK-NEXT:    unreachable
-;
-bb:
-  switch i8 undef, label %bb7 [
-  i8 0, label %bb1
-  i8 12, label %bb2
-  ]
-
-bb1:                                              ; preds = %bb
-  br label %bb6
-
-bb2:                                              ; preds = %bb
-  br label %bb4
-
-bb3:                                              ; preds = %bb6
-  unreachable
-
-bb4:                                              ; preds = %bb6, %bb2
-  %tmp = phi i16 [ 0, %bb6 ], [ undef, %bb2 ]
-  ret i16 %tmp
-
-bb6:                                              ; preds = %bb4
-  br i1 true, label %bb3, label %bb4, !llvm.loop !1
-
-bb7:                                              ; preds = %bb
-  unreachable
-}
-
-attributes #0 = { ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-
-!llvm.ident = !{!0}
-
-!0 = !{!"clang version 5.0.0 (http://llvm.org/git/clang.git a8b933d4d1d133594fdaed35ee5814514b738f6d) (/Users/dannyb/sources/llvm-clean fc630a9b5613f544c07a8f16abcc173793df62cf)"}
-!1 = distinct !{!1, !2}
-!2 = !{!"llvm.loop.unroll.disable"}