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llvm-project/llvm/test/CodeGen/X86/barrier-sse.ll

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Custom lower the memory barrier instructions and add support for lowering without sse2. Add a couple of new testcases. Fixes a few libgomp tests and latent bugs. Remove a few todos. llvm-svn: 109078
2010-07-22 10:48:34 +08:00
; RUN: llc < %s -march=x86 -mattr=+sse2 | not grep sfence
; RUN: llc < %s -march=x86 -mattr=+sse2 | not grep lfence
; RUN: llc < %s -march=x86 -mattr=+sse2 | not grep mfence
; RUN: llc < %s -march=x86 -mattr=+sse2 | grep MEMBARRIER
declare void @llvm.memory.barrier( i1 , i1 , i1 , i1 , i1)
define void @test() {
call void @llvm.memory.barrier( i1 true, i1 true, i1 false, i1 false, i1 false)
call void @llvm.memory.barrier( i1 true, i1 false, i1 true, i1 false, i1 false)
call void @llvm.memory.barrier( i1 true, i1 false, i1 false, i1 true, i1 false)
call void @llvm.memory.barrier( i1 true, i1 true, i1 true, i1 false, i1 false)
call void @llvm.memory.barrier( i1 true, i1 true, i1 false, i1 true, i1 false)
call void @llvm.memory.barrier( i1 true, i1 false, i1 true, i1 true, i1 false)
call void @llvm.memory.barrier( i1 true, i1 true, i1 true, i1 true , i1 false)
call void @llvm.memory.barrier( i1 false, i1 false, i1 false, i1 false , i1 false)
ret void
}