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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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35
external/llvm/test/Transforms/LoopStrengthReduce/ARM/addrec-is-loop-invariant.ll vendored Normal file
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; RUN: llc -mtriple=armv8-eabi -verify-machineinstrs %s -o /dev/null
; This test ensures that Loop Strength Reduction will
; not create an Add Reccurence Expression if not all
; its operands are loop invariants.
define void @add_rec_expr() {
entry:
br label %loop0
loop0:
%c.0 = phi i32 [ 0, %entry ], [ %inc.0, %loop0 ]
%inc.0 = add nuw i32 %c.0, 1
br i1 undef, label %loop0, label %bb1
bb1:
%mul.0 = mul i32 %c.0, %c.0
%gelptr.0 = getelementptr inbounds i16, i16* undef, i32 %mul.0
br label %loop1
loop1:
%inc.1 = phi i32 [ %inc.2, %bb4 ], [ 0, %bb1 ]
%mul.1 = mul i32 %inc.1, %c.0
br label %bb3
bb3:
%add.0 = add i32 undef, %mul.1
%gelptr.1 = getelementptr inbounds i16, i16* %gelptr.0, i32 %add.0
store i16 undef, i16* %gelptr.1, align 2
br label %bb4
bb4:
%inc.2 = add nuw i32 %inc.1, 1
br label %loop1
}