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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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37
external/llvm-project/llvm/test/Transforms/IndVarSimplify/use-range-metadata.ll vendored Normal file
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@ -0,0 +1,37 @@
;; RUN: opt -S < %s -indvars | FileCheck %s
;; Check if IndVarSimplify understands !range metadata.
declare void @abort()
define i1 @iterate(i32* nocapture readonly %buffer) {
entry:
%length = load i32, i32* %buffer, !range !0
br label %loop.preheader
loop.preheader:
br label %loop
loop:
%idx = phi i32 [ %idx.inc, %loop.next ], [ 0, %loop.preheader ]
%oob.pred = icmp slt i32 %idx, %length
br i1 %oob.pred, label %loop.next, label %oob
; CHECK: br i1 true, label %loop.next, label %oob
loop.next:
%idx.inc = add i32 %idx, 1
%exit.pred = icmp slt i32 %idx.inc, %length
br i1 %exit.pred, label %loop, label %abort.loopexit
abort.loopexit:
br label %abort
abort:
ret i1 false
oob:
tail call void @abort()
ret i1 false
}
!0 = !{i32 1, i32 100}