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llvm-mirror/test/Assembler/mdsubrange-empty-array.ll
Duncan P. N. Exon Smith 6c5c6d3ab2 IR: Allow MDSubrange to have 'count: -1'
It turns out that `count: -1` is a special value indicating an empty
array, such as `Values` in:

    struct T {
      unsigned Count;
      int Values[];
    };

Handle it.

llvm-svn: 229769
2015-02-18 23:17:51 +00:00

15 lines
478 B
LLVM

; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
; RUN: verify-uselistorder %s
; CHECK: !named = !{!0, !0, !1, !2}
!named = !{!0, !1, !2, !3}
; CHECK: !0 = !MDSubrange(count: -1)
; CHECK-NEXT: !1 = !MDSubrange(count: -1, lowerBound: 4)
; CHECK-NEXT: !2 = !MDSubrange(count: -1, lowerBound: -5)
!0 = !MDSubrange(count: -1)
!1 = !MDSubrange(count: -1, lowerBound: 0)
!2 = !MDSubrange(count: -1, lowerBound: 4)
!3 = !MDSubrange(count: -1, lowerBound: -5)