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| ; RUN: opt %loadPolly -polly-detect -analyze \
; RUN: -polly-process-unprofitable=false < %s | FileCheck %s
; CHECK: Valid Region for Scop: next => bb3
;
; void foo(float A[], long p) {
; for (long x = 0; x < 1024; x++) {
; __sync_synchronize();
; if (p >= 0) {
; for (long i = 0; i < 1024; i++)
; for (long j = 0; j < 1024; j++)
; A[i + j] += j;
; }
; }
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
define void @foo(float* %A, i64 %p) {
bb:
br label %bb3
bb3: ; preds = %bb25, %bb
%x.0 = phi i64 [ 0, %bb ], [ %tmp26, %bb25 ]
%exitcond2 = icmp ne i64 %x.0, 1024
br i1 %exitcond2, label %bb5, label %bb4
bb4: ; preds = %bb3
br label %bb27
bb5: ; preds = %bb3
fence seq_cst
br label %next
next:
%tmp = icmp sgt i64 %p, -1
br i1 %tmp, label %bb6, label %bb24
bb6: ; preds = %bb5
br label %bb7
bb7: ; preds = %bb21, %bb6
%i.0 = phi i64 [ 0, %bb6 ], [ %tmp22, %bb21 ]
%exitcond1 = icmp ne i64 %i.0, 1024
br i1 %exitcond1, label %bb9, label %bb8
bb8: ; preds = %bb7
br label %bb23
bb9: ; preds = %bb7
br label %bb10
bb10: ; preds = %bb18, %bb9
%j.0 = phi i64 [ 0, %bb9 ], [ %tmp19, %bb18 ]
%exitcond = icmp ne i64 %j.0, 1024
br i1 %exitcond, label %bb12, label %bb11
bb11: ; preds = %bb10
br label %bb20
bb12: ; preds = %bb10
%tmp13 = sitofp i64 %j.0 to float
%tmp14 = add nuw nsw i64 %i.0, %j.0
%tmp15 = getelementptr inbounds float, float* %A, i64 %tmp14
%tmp16 = load float, float* %tmp15, align 4
%tmp17 = fadd float %tmp16, %tmp13
store float %tmp17, float* %tmp15, align 4
br label %bb18
bb18: ; preds = %bb12
%tmp19 = add nuw nsw i64 %j.0, 1
br label %bb10
bb20: ; preds = %bb11
br label %bb21
bb21: ; preds = %bb20
%tmp22 = add nuw nsw i64 %i.0, 1
br label %bb7
bb23: ; preds = %bb8
br label %bb24
bb24: ; preds = %bb23, %bb5
br label %bb25
bb25: ; preds = %bb24
%tmp26 = add nuw nsw i64 %x.0, 1
br label %bb3
bb27: ; preds = %bb4
ret void
}
|