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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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28
external/llvm/test/Transforms/LoopUnroll/peel-loop-negative.ll vendored Normal file
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; RUN: opt < %s -S -loop-unroll -unroll-threshold=800 -unroll-peel-max-count=0 | FileCheck %s
; We should not peel this loop even though we can, because the max count is set
; to zero.
define i32 @invariant_backedge_neg_1(i32 %a, i32 %b) {
; CHECK-LABEL: @invariant_backedge_neg_1
; CHECK-NOT loop.peel{{.*}}:
; CHECK: loop:
; CHECK: %i = phi
; CHECK: %sum = phi
; CHECK: %plus = phi
entry:
br label %loop
loop:
%i = phi i32 [ 0, %entry ], [ %inc, %loop ]
%sum = phi i32 [ 0, %entry ], [ %incsum, %loop ]
%plus = phi i32 [ %a, %entry ], [ %b, %loop ]
%incsum = add i32 %sum, %plus
%inc = add i32 %i, 1
%cmp = icmp slt i32 %i, 1000
br i1 %cmp, label %loop, label %exit
exit:
ret i32 %sum
}