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| author | Bob Wilson <bob.wilson@apple.com> | 2010-11-09 22:50:44 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-11-09 22:50:44 +0000 |
| commit | 54f92563806e87f47acd04fd71e4189d35d11005 (patch) | |
| tree | 916d2ba63e6e4110003159c276188f2380d981eb /test/CodeGen/Thumb | |
| parent | 7729e06c128be01fc564870d5ea3d22d236dddb5 (diff) | |
| download | external_llvm-54f92563806e87f47acd04fd71e4189d35d11005.zip external_llvm-54f92563806e87f47acd04fd71e4189d35d11005.tar.gz external_llvm-54f92563806e87f47acd04fd71e4189d35d11005.tar.bz2 | |
Do not use MEMBARRIER_MCR for any Thumb code.
It is only supported for ARM code. Normally Thumb2 code would use DMB instead,
but depending on how the compiler is invoked (e.g., -mattr=-db) that might be
disabled. This prevents a "cannot select MEMBARRIER_MCR" error in that
situation. Radar 8644195
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118642 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb')
| -rw-r--r-- | test/CodeGen/Thumb/barrier.ll | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/barrier.ll b/test/CodeGen/Thumb/barrier.ll index cab658e..419c3ba 100644 --- a/test/CodeGen/Thumb/barrier.ll +++ b/test/CodeGen/Thumb/barrier.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=V6 +; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=-db | FileCheck %s -check-prefix=V6 ; RUN: llc < %s -march=thumb -mattr=+v6m | FileCheck %s -check-prefix=V6M declare void @llvm.memory.barrier(i1 , i1 , i1 , i1 , i1) |