blob: e4e981161fd9d3bdb22f449be83a997148e2ad67 [file] [log] [blame]
; RUN: opt -S -lower-constant-intrinsics %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, i1 false)
; CHECK: ret i16 -1
ret i16 %j
}
declare i16 @llvm.objectsize.i16.p0i8(i8*, i1, i1, i1)