vendor/llvm/llvm-release_350-r216957

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll b/test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll
new file mode 100644
index 000000000000..47f5255e5012
--- /dev/null
+++ b/test/CodeGen/R600/llvm.AMDGPU.barrier.global.ll
@@ -0,0 +1,28 @@
+; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+
+; FUNC-LABEL: @test_barrier_global
+; EG: GROUP_BARRIER
+; SI: S_BARRIER
+
+define void @test_barrier_global(i32 addrspace(1)* %out) {
+entry:
+  %0 = call i32 @llvm.r600.read.tidig.x()
+  %1 = getelementptr i32 addrspace(1)* %out, i32 %0
+  store i32 %0, i32 addrspace(1)* %1
+  call void @llvm.AMDGPU.barrier.global()
+  %2 = call i32 @llvm.r600.read.local.size.x()
+  %3 = sub i32 %2, 1
+  %4 = sub i32 %3, %0
+  %5 = getelementptr i32 addrspace(1)* %out, i32 %4
+  %6 = load i32 addrspace(1)* %5
+  store i32 %6, i32 addrspace(1)* %1
+  ret void
+}
+
+declare void @llvm.AMDGPU.barrier.global()
+
+declare i32 @llvm.r600.read.tidig.x() #0
+declare i32 @llvm.r600.read.local.size.x() #0
+
+attributes #0 = { readnone }