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| author | Nico Weber <nicolasweber@gmx.de> | 2016-06-29 17:34:31 +0000 |
|---|---|---|
| committer | Nico Weber <nicolasweber@gmx.de> | 2016-06-29 17:34:31 +0000 |
| commit | 45b6d08da3901e8dd84bc2cfca658599801589e1 (patch) | |
| tree | d64880206fe7e32c021a285fb6cb5c59fd9876fb /test/CodeGen/Thumb | |
| parent | 7925338a8e28852078d69aee8e01bf2b5c5cc54e (diff) | |
Add a regression test for PR28348.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274142 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb')
| -rw-r--r-- | test/CodeGen/Thumb/and_neg.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/and_neg.ll b/test/CodeGen/Thumb/and_neg.ll new file mode 100644 index 00000000000..88217c7cb20 --- /dev/null +++ b/test/CodeGen/Thumb/and_neg.ll @@ -0,0 +1,20 @@ +; 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) |