| ; RUN: opt -basic-aa %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze -polly-disable-multiplicative-reductions < %s | FileCheck %s |
| ; |
| ; CHECK: ReadAccess := [Reduction Type: + |
| ; CHECK: { Stmt_for_body[i0] -> MemRef_sum[0] }; |
| ; CHECK: MustWriteAccess := [Reduction Type: + |
| ; CHECK: { Stmt_for_body[i0] -> MemRef_sum[0] }; |
| ; CHECK: ReadAccess := [Reduction Type: NONE |
| ; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] }; |
| ; CHECK: MustWriteAccess := [Reduction Type: NONE |
| ; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] }; |
| ; |
| ; int sum, prod; |
| ; |
| ; void f() { |
| ; int i; |
| ; for (int i = 0; i < 100; i++) { |
| ; sum += i * 3; |
| ; prod *= (i + 3); |
| ; } |
| ; } |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" |
| |
| @sum = common global i32 0, align 4 |
| @prod = common global i32 0, align 4 |
| |
| define void @f() #0 { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %i1.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] |
| %exitcond = icmp ne i32 %i1.0, 100 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %mul = mul nsw i32 %i1.0, 3 |
| %tmp = load i32, i32* @sum, align 4 |
| %add = add nsw i32 %tmp, %mul |
| store i32 %add, i32* @sum, align 4 |
| %add2 = add nsw i32 %i1.0, 3 |
| %tmp1 = load i32, i32* @prod, align 4 |
| %mul3 = mul nsw i32 %tmp1, %add2 |
| store i32 %mul3, i32* @prod, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %inc = add nsw i32 %i1.0, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |