1*9880d681SAndroid Build Coastguard Worker; RUN: opt -mtriple=amdgcn-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt -mtriple=r600-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; This test contains a simple loop that initializes an array declared in 6*9880d681SAndroid Build Coastguard Worker; private memory. We want to make sure these kinds of loops are always 7*9880d681SAndroid Build Coastguard Worker; unrolled, because private memory is slow. 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test 10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: alloca 11*9880d681SAndroid Build Coastguard Worker; CHECK: store i32 5, i32 addrspace(1)* %out 12*9880d681SAndroid Build Coastguard Workerdefine void @test(i32 addrspace(1)* %out) { 13*9880d681SAndroid Build Coastguard Workerentry: 14*9880d681SAndroid Build Coastguard Worker %0 = alloca [32 x i32] 15*9880d681SAndroid Build Coastguard Worker br label %loop.header 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerloop.header: 18*9880d681SAndroid Build Coastguard Worker %counter = phi i32 [0, %entry], [%inc, %loop.inc] 19*9880d681SAndroid Build Coastguard Worker br label %loop.body 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerloop.body: 22*9880d681SAndroid Build Coastguard Worker %ptr = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 %counter 23*9880d681SAndroid Build Coastguard Worker store i32 %counter, i32* %ptr 24*9880d681SAndroid Build Coastguard Worker br label %loop.inc 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerloop.inc: 27*9880d681SAndroid Build Coastguard Worker %inc = add i32 %counter, 1 28*9880d681SAndroid Build Coastguard Worker %1 = icmp sge i32 %counter, 32 29*9880d681SAndroid Build Coastguard Worker br i1 %1, label %exit, label %loop.header 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerexit: 32*9880d681SAndroid Build Coastguard Worker %2 = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 5 33*9880d681SAndroid Build Coastguard Worker %3 = load i32, i32* %2 34*9880d681SAndroid Build Coastguard Worker store i32 %3, i32 addrspace(1)* %out 35*9880d681SAndroid Build Coastguard Worker ret void 36*9880d681SAndroid Build Coastguard Worker} 37