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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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85
external/llvm/test/Transforms/LoopStrengthReduce/2011-10-03-CritEdgeMerge.ll vendored
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@ -1,85 +0,0 @@
; RUN: opt -loop-reduce -S < %s | FileCheck %s
;
; Test LSR's use of SplitCriticalEdge during phi rewriting.
target triple = "x86-apple-darwin"
; Provide legal integer types.
target datalayout = "n8:16:32:64"
; Verify that identical edges are merged. rdar://problem/6453893
; CHECK-LABEL: @test1(
; CHECK: bb89:
; CHECK: phi i8* [ %lsr.iv.next1, %bbA.bb89_crit_edge ], [ %lsr.iv.next1, %bbB.bb89_crit_edge ]{{$}}
define i8* @test1() {
entry:
br label %loop
loop:
%rec = phi i32 [ %next, %loop ], [ 0, %entry ]
%next = add i32 %rec, 1
%tmp75 = getelementptr i8, i8* null, i32 %next
br i1 false, label %loop, label %loopexit
loopexit:
br i1 false, label %bbA, label %bbB
bbA:
switch i32 0, label %bb89 [
i32 47, label %bb89
i32 58, label %bb89
]
bbB:
switch i8 0, label %bb89 [
i8 47, label %bb89
i8 58, label %bb89
]
bb89:
%tmp75phi = phi i8* [ %tmp75, %bbA ], [ %tmp75, %bbA ], [ %tmp75, %bbA ], [ %tmp75, %bbB ], [ %tmp75, %bbB ], [ %tmp75, %bbB ]
br label %exit
exit:
ret i8* %tmp75phi
}
; Handle single-predecessor phis: PR13756
; CHECK-LABEL: @test2(
; CHECK: bb89:
; CHECK: phi i8* [ %lsr.iv.next1, %bbA ], [ %lsr.iv.next1, %bbA ], [ %lsr.iv.next1, %bbA ]{{$}}
define i8* @test2() {
entry:
br label %loop
loop:
%rec = phi i32 [ %next, %loop ], [ 0, %entry ]
%next = add i32 %rec, 1
%tmp75 = getelementptr i8, i8* null, i32 %next
br i1 false, label %loop, label %loopexit
loopexit:
br i1 false, label %bbA, label %bbB
bbA:
switch i32 0, label %bb89 [
i32 47, label %bb89
i32 58, label %bb89
]
bbB:
switch i8 0, label %exit [
i8 47, label %exit
i8 58, label %exit
]
bb89:
%tmp75phi = phi i8* [ %tmp75, %bbA ], [ %tmp75, %bbA ], [ %tmp75, %bbA ]
br label %exit
exit:
%result = phi i8* [ %tmp75phi, %bb89 ], [ %tmp75, %bbB ], [ %tmp75, %bbB ], [ %tmp75, %bbB ]
ret i8* %result
}