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Add a regression test for PR28348.

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llvm-svn: 274142
This commit is contained in:
Nico Weber 2016-06-29 17:34:31 +00:00
parent da954e07c7
commit f31be546f6
1 changed files with 20 additions and 0 deletions
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test/CodeGen/Thumb/and_neg.ll Normal file
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; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs
; Just shouldn't crash, PR28348
%C = type { i8* }
define void @repro(%C* %this, i32 %a) {
%a_align1 = and i32 %a, -4096
%a_and = and i32 %a, 4095
%a_align2 = or i32 %a_and, 4096
call void @use(i32 %a_align1)
%C_field = getelementptr inbounds %C, %C* %this, i32 0, i32 0
%addptr = getelementptr inbounds i8, i8* null, i32 %a_align2
store i8* %addptr, i8** %C_field, align 4
ret void
}
declare void @use(i32)