1; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s 2 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" 4 5declare float* @getNextBasePtr(float*) readnone nounwind 6 7define void @base_pointer_is_inst_inside_invariant_1(i64 %n, float* %A, float* %B) { 8entry: 9 br label %for.i 10 11for.i: 12 %indvar.i = phi i64 [ %indvar.i.next, %for.i.inc ], [ 0, %entry ] 13 br label %S1 14 15S1: 16; To get an instruction inside a region, we use a function without side 17; effects on which SCEV blocks, but for which it is still clear that the 18; return value remains invariant throughout the whole loop. 19 %ptr = call float* @getNextBasePtr(float* %A) 20 %conv = sitofp i64 %indvar.i to float 21 %arrayidx5 = getelementptr float, float* %ptr, i64 %indvar.i 22 store float %conv, float* %arrayidx5, align 4 23 store float 1.0, float* %B 24 br label %for.i.inc 25 26for.i.inc: 27 %indvar.i.next = add i64 %indvar.i, 1 28 %exitcond.i = icmp ne i64 %indvar.i.next, %n 29 br i1 %exitcond.i, label %for.i, label %exit 30 31exit: 32 ret void 33} 34 35; CHECK-NOT: Valid Region for Scop 36