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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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28
external/llvm/test/Transforms/LoopStrengthReduce/negative-scale.ll vendored Normal file
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; RUN: opt < %s -loop-reduce -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
declare void @foo(i8)
define void @not_addressing_mode(i8* %input, i64 %n) {
; CHECK-LABEL: @not_addressing_mode(
entry:
br label %loop
loop:
; CHECK: loop:
; CHECK: %lsr.iv = phi i8* [ {{%[^,]+}}, %loop ], [ %input, %entry ]
%i = phi i64 [ 0, %entry ], [ %i.next, %loop ]
%i.next = add i64 %i, 1
%j = mul i64 %i, -2
; (%input - 2 * %j) is not foldable. Worth another indvar.
%p = getelementptr i8, i8* %input, i64 %j
%v = load i8, i8* %p
; CHECK: %v = load i8, i8* %lsr.iv
call void @foo(i8 %v)
%exitcond = icmp slt i64 %i.next, %n
br i1 %exitcond, label %exit, label %loop
exit:
ret void
}