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Diffstat (limited to 'test/CodeGen/Thumb/barrier.ll')
-rw-r--r-- | test/CodeGen/Thumb/barrier.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/barrier.ll b/test/CodeGen/Thumb/barrier.ll new file mode 100644 index 0000000000000..c611b865f67d8 --- /dev/null +++ b/test/CodeGen/Thumb/barrier.ll @@ -0,0 +1,24 @@ +; RUN: llc < %s -mtriple=thumbv6-apple-darwin | 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 ) + +define void @t1() { +; V6: t1: +; V6: blx {{_*}}sync_synchronize + +; V6M: t1: +; V6M: dsb + call void @llvm.memory.barrier( i1 false, i1 false, i1 false, i1 true, i1 true ) + ret void +} + +define void @t2() { +; V6: t2: +; V6: blx {{_*}}sync_synchronize + +; V6M: t2: +; V6M: dmb + call void @llvm.memory.barrier( i1 false, i1 false, i1 false, i1 true, i1 false ) + ret void +} |