Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/AMDGPU/unroll.ll @ 95:afa8332a0e37
LLVM 3.8
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Tue, 13 Oct 2015 17:48:58 +0900 |
parents | |
children | 803732b1fca8 |
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; RUN: opt -mtriple=amdgcn-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s ; RUN: opt -mtriple=r600-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s ; This test contains a simple loop that initializes an array declared in ; private memory. We want to make sure these kinds of loops are always ; unrolled, because private memory is slow. ; CHECK-LABEL: @test ; CHECK-NOT: alloca ; CHECK: store i32 5, i32 addrspace(1)* %out define void @test(i32 addrspace(1)* %out) { entry: %0 = alloca [32 x i32] br label %loop.header loop.header: %counter = phi i32 [0, %entry], [%inc, %loop.inc] br label %loop.body loop.body: %ptr = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 %counter store i32 %counter, i32* %ptr br label %loop.inc loop.inc: %inc = add i32 %counter, 1 %1 = icmp sge i32 %counter, 32 br i1 %1, label %exit, label %loop.header exit: %2 = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 5 %3 = load i32, i32* %2 store i32 %3, i32 addrspace(1)* %out ret void }