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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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41
external/llvm/test/Analysis/BasicAA/dag.ll vendored
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@ -1,41 +0,0 @@
; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info 2>&1 | 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"
; BasicAA's guard against use-def cycles shouldn't prevent it from
; analyzing use-def dags.
; CHECK: MustAlias: i8* %base, i8* %phi
; CHECK: MustAlias: i8* %phi, i8* %wwa
; CHECK: MustAlias: i8* %phi, i8* %wwb
; CHECK: MustAlias: i16* %bigbase, i8* %phi
define i8 @foo(i8* %base, i1 %x, i1 %w) {
entry:
br i1 %w, label %wa, label %wb
wa:
%wwa = bitcast i8* %base to i8*
br label %wc
wb:
%wwb = bitcast i8* %base to i8*
br label %wc
wc:
%first = phi i8* [ %wwa, %wa ], [ %wwb, %wb ]
%fc = bitcast i8* %first to i8*
br i1 %x, label %xa, label %xb
xa:
%xxa = bitcast i8* %fc to i8*
br label %xc
xb:
%xxb = bitcast i8* %fc to i8*
br label %xc
xc:
%phi = phi i8* [ %xxa, %xa ], [ %xxb, %xb ]
store i8 0, i8* %phi
%bigbase = bitcast i8* %base to i16*
store i16 -1, i16* %bigbase
%loaded = load i8, i8* %phi
ret i8 %loaded
}