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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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24
external/llvm/test/Analysis/BasicAA/noalias-wraparound-bug.ll vendored
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@ -1,24 +0,0 @@
; RUN: opt -S -basicaa -gvn < %s | FileCheck %s
target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
target triple = "i386-apple-macosx10.6.0"
; We incorrectly returned noalias in the example below for "tmp5" and
; "tmp12" returning i32 32, since basicaa converted the offsets to 64b
; and missed the wrap-around
define i32 @foo(i8* %buffer) {
entry:
%tmp2 = getelementptr i8, i8* %buffer, i32 -2071408432
%tmp3 = bitcast i8* %tmp2 to i32*
%tmp4 = getelementptr i8, i8* %buffer, i32 128
%tmp5 = bitcast i8* %tmp4 to i32*
store i32 32, i32* %tmp5, align 4
%tmp12 = getelementptr i32, i32* %tmp3, i32 -1629631508
store i32 28, i32* %tmp12, align 4
%tmp13 = getelementptr i8, i8* %buffer, i32 128
%tmp14 = bitcast i8* %tmp13 to i32*
%tmp2083 = load i32, i32* %tmp14, align 4
; CHECK: ret i32 28
ret i32 %tmp2083
}