forked from OSchip/llvm-project
53 lines
1.8 KiB
LLVM
53 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s
|
|
;
|
|
; void f(int *A, int N, int c) {
|
|
; CHECK: #pragma minimal dependence distance: 1
|
|
; for (int j = 0; j < N; j++)
|
|
; CHECK: #pragma minimal dependence distance: c <= -1 ? -c : c
|
|
; for (int i = 0; i < N; i++)
|
|
; A[i + c] = A[i] + 1;
|
|
; }
|
|
;
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
|
|
|
|
define void @f(i32* %A, i32 %N, i32 %c) {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc6, %entry
|
|
%j.0 = phi i32 [ 0, %entry ], [ %inc7, %for.inc6 ]
|
|
%cmp = icmp slt i32 %j.0, %N
|
|
br i1 %cmp, label %for.body, label %for.end8
|
|
|
|
for.body: ; preds = %for.cond
|
|
br label %for.cond1
|
|
|
|
for.cond1: ; preds = %for.inc, %for.body
|
|
%i.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
|
|
%exitcond = icmp ne i32 %i.0, %N
|
|
br i1 %exitcond, label %for.body3, label %for.end
|
|
|
|
for.body3: ; preds = %for.cond1
|
|
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.0
|
|
%tmp = load i32, i32* %arrayidx, align 4
|
|
%add = add nsw i32 %tmp, 1
|
|
%add4 = add nsw i32 %i.0, %c
|
|
%arrayidx5 = getelementptr inbounds i32, i32* %A, i32 %add4
|
|
store i32 %add, i32* %arrayidx5, align 4
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %for.body3
|
|
%inc = add nsw i32 %i.0, 1
|
|
br label %for.cond1
|
|
|
|
for.end: ; preds = %for.cond1
|
|
br label %for.inc6
|
|
|
|
for.inc6: ; preds = %for.end
|
|
%inc7 = add nsw i32 %j.0, 1
|
|
br label %for.cond
|
|
|
|
for.end8: ; preds = %for.cond
|
|
ret void
|
|
}
|