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25 lines
690 B
LLVM
25 lines
690 B
LLVM
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; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
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; CHECK: GROUP_BARRIER
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define void @test(i32 addrspace(1)* %out) {
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entry:
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%0 = call i32 @llvm.r600.read.tidig.x()
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%1 = getelementptr i32 addrspace(1)* %out, i32 %0
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store i32 %0, i32 addrspace(1)* %1
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call void @llvm.AMDGPU.barrier.local()
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%2 = call i32 @llvm.r600.read.local.size.x()
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%3 = sub i32 %2, 1
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%4 = sub i32 %3, %0
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%5 = getelementptr i32 addrspace(1)* %out, i32 %4
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%6 = load i32 addrspace(1)* %5
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store i32 %6, i32 addrspace(1)* %1
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ret void
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}
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declare i32 @llvm.r600.read.tidig.x() #0
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declare void @llvm.AMDGPU.barrier.local()
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declare i32 @llvm.r600.read.local.size.x() #0
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attributes #0 = { readnone }
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