reduction_simple_binary.ll
1015 Bytes
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; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s
;
; CHECK: pragma simd reduction
;
; int prod;
; void f() {
; for (int i = 0; i < 100; i++)
; prod *= i;
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
@prod = common global i32 0, align 4
define void @f() {
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
%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
}