1 ; RUN: opt -loop-unroll -unroll-threshold=2000 -S < %s | llc -march=r600 -mcpu=cypress | FileCheck %s 2 ; REQUIRES: asserts 3 4 ; CHECK: {{^}}alu_limits: 5 ; CHECK: CF_END 6 7 %struct.foo = type {i32, i32, i32} 8 9 define amdgpu_kernel void @alu_limits(i32 addrspace(1)* %out, %struct.foo addrspace(5)* %in, i32 %offset) { 10 entry: 11 %ptr = getelementptr inbounds %struct.foo, %struct.foo addrspace(5)* %in, i32 1, i32 2 12 %x = load i32, i32 addrspace(5)*%ptr, align 4 13 br label %loop 14 loop: 15 %i = phi i32 [ 100, %entry ], [ %nexti, %loop ] 16 %val = phi i32 [ 1, %entry ], [ %nextval, %loop ] 17 18 %nexti = sub i32 %i, 1 19 20 %y = xor i32 %x, %i 21 %nextval = mul i32 %val, %y 22 23 %cond = icmp ne i32 %nexti, 0 24 br i1 %cond, label %loop, label %end 25 end: 26 %out_val = add i32 %nextval, 4 27 store i32 %out_val, i32 addrspace(1)* %out, align 4 28 ret void 29 } 30
