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Imported Upstream version 5.18.0.247

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Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions
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34
external/llvm/test/Transforms/SimplifyCFG/PhiEliminate3.ll vendored
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@@ -1,34 +0,0 @@
; Test merging of blocks containing complex expressions,
; with various folding thresholds
;
; RUN: opt < %s -simplifycfg -S -phi-node-folding-threshold=1 | grep N:
; RUN: opt < %s -simplifycfg -S -phi-node-folding-threshold=2 | not grep N:
; RUN: opt < %s -simplifycfg -S -phi-node-folding-threshold=2 | grep M:
; RUN: opt < %s -simplifycfg -S -phi-node-folding-threshold=7 | not grep M:
;
define i32 @test(i1 %a, i1 %b, i32 %i, i32 %j, i32 %k) {
entry:
br i1 %a, label %M, label %O
O:
br i1 %b, label %P, label %Q
P:
%iaj = add i32 %i, %j
%iajak = add i32 %iaj, %k
br label %N
Q:
%ixj = xor i32 %i, %j
%ixjxk = xor i32 %ixj, %k
br label %N
N:
; This phi should be foldable if threshold >= 2
%Wp = phi i32 [ %iajak, %P ], [ %ixjxk, %Q ]
%Wp2 = add i32 %Wp, %Wp
br label %M
M:
; This phi should be foldable if threshold >= 7
%W = phi i32 [ %Wp2, %N ], [ 2, %entry ]
%R = add i32 %W, 1
ret i32 %R
}