Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions

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@@ -0,0 +1,16 @@
; RUN: opt -S -codegenprepare %s -o - | FileCheck %s
;
; Ensure that we don't {crash,return a bad value} when given an alloca larger
; than what a pointer can represent.
target datalayout = "p:16:16"
; CHECK-LABEL: @alloca_overflow_is_unknown(
define i16 @alloca_overflow_is_unknown() {
%i = alloca i8, i32 65537
%j = call i16 @llvm.objectsize.i16.p0i8(i8* %i, i1 false, i1 false)
; CHECK: ret i16 -1
ret i16 %j
}
declare i16 @llvm.objectsize.i16.p0i8(i8*, i1, i1)