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test: check const-fold-gep with poison, undef, id #125573

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test: check const-fold-gep with poison, undef, id #125573

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12 changes: 12 additions & 0 deletions llvm/test/Other/constant-fold-gep.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -24,25 +24,37 @@
; PLAIN: @F1 = global ptr getelementptr (i1, ptr inttoptr (i32 1 to ptr), i32 -2)
; PLAIN: @H8 = global ptr getelementptr (i8, ptr null, i32 -1)
; PLAIN: @H1 = global ptr getelementptr (i1, ptr null, i32 -1)
; PLAIN: @U8 = global ptr undef
; PLAIN: @P8 = global ptr poison
; PLAIN: @Z8 = global ptr inttoptr (i32 1 to ptr)
; OPT: @G8 = local_unnamed_addr global ptr null
; OPT: @G1 = local_unnamed_addr global ptr null
; OPT: @F8 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; OPT: @F1 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; OPT: @H8 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; OPT: @H1 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; OPT: @U8 = local_unnamed_addr global ptr undef
; OPT: @P8 = local_unnamed_addr global ptr poison
; OPT: @Z8 = local_unnamed_addr global ptr inttoptr (i32 1 to ptr)
; TO: @G8 = local_unnamed_addr global ptr null
; TO: @G1 = local_unnamed_addr global ptr null
; TO: @F8 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; TO: @F1 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; TO: @H8 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; TO: @H1 = local_unnamed_addr global ptr inttoptr (i64 -1 to ptr)
; TO: @U8 = local_unnamed_addr global ptr undef
; TO: @P8 = local_unnamed_addr global ptr poison
; TO: @Z8 = local_unnamed_addr global ptr inttoptr (i32 1 to ptr)

@G8 = global ptr getelementptr (i8, ptr inttoptr (i32 1 to ptr), i32 -1)
@G1 = global ptr getelementptr (i1, ptr inttoptr (i32 1 to ptr), i32 -1)
@F8 = global ptr getelementptr (i8, ptr inttoptr (i32 1 to ptr), i32 -2)
@F1 = global ptr getelementptr (i1, ptr inttoptr (i32 1 to ptr), i32 -2)
@H8 = global ptr getelementptr (i8, ptr inttoptr (i32 0 to ptr), i32 -1)
@H1 = global ptr getelementptr (i1, ptr inttoptr (i32 0 to ptr), i32 -1)
@U8 = global ptr getelementptr (i8, ptr undef, i32 -1)
@P8 = global ptr getelementptr (i8, ptr poison, i32 -1)
@Z8 = global ptr getelementptr (i8, ptr inttoptr (i32 1 to ptr), i32 0)

; The target-independent folder should be able to do some clever
; simplifications on sizeof, alignof, and offsetof expressions. The
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