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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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39
external/llvm-project/llvm/test/Analysis/BasicAA/must-and-partial.ll vendored Normal file
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; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s
; When merging MustAlias and PartialAlias, merge to PartialAlias
; instead of MayAlias.
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"
; CHECK: PartialAlias: i16* %bigbase0, i8* %phi
define i8 @test0(i8* %base, i1 %x) {
entry:
%baseplusone = getelementptr i8, i8* %base, i64 1
br i1 %x, label %red, label %green
red:
br label %green
green:
%phi = phi i8* [ %baseplusone, %red ], [ %base, %entry ]
store i8 0, i8* %phi
%bigbase0 = bitcast i8* %base to i16*
store i16 -1, i16* %bigbase0
%loaded = load i8, i8* %phi
ret i8 %loaded
}
; CHECK: PartialAlias: i16* %bigbase1, i8* %sel
define i8 @test1(i8* %base, i1 %x) {
entry:
%baseplusone = getelementptr i8, i8* %base, i64 1
%sel = select i1 %x, i8* %baseplusone, i8* %base
store i8 0, i8* %sel
%bigbase1 = bitcast i8* %base to i16*
store i16 -1, i16* %bigbase1
%loaded = load i8, i8* %sel
ret i8 %loaded
}