forked from OSchip/llvm-project
73 lines
2.6 KiB
LLVM
73 lines
2.6 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -polyhedral-info -polly-check-parallel -analyze < %s | FileCheck %s -check-prefix=PINFO
|
|
;
|
|
; CHECK: #pragma known-parallel reduction (^ : MemRef_sum)
|
|
; void f(int N, int M, int P, int sum[P][M]) {
|
|
; PINFO: for.cond: Loop is not parallel.
|
|
; for (int i = 0; i < N; i++)
|
|
; PINFO-NEXT: for.cond1: Loop is parallel.
|
|
; for (int j = 0; j < P; j++)
|
|
; CHECK: #pragma simd
|
|
; PINFO-NEXT: for.cond4: Loop is parallel.
|
|
; for (int k = 0; k < M; k++)
|
|
; sum[j][k] ^= j;
|
|
; }
|
|
;
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
|
|
|
|
define void @f(i32 %N, i32 %M, i32 %P, i32* %sum) {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc11, %entry
|
|
%i.0 = phi i32 [ 0, %entry ], [ %inc12, %for.inc11 ]
|
|
%cmp = icmp slt i32 %i.0, %N
|
|
br i1 %cmp, label %for.body, label %for.end13
|
|
|
|
for.body: ; preds = %for.cond
|
|
br label %for.cond1
|
|
|
|
for.cond1: ; preds = %for.inc8, %for.body
|
|
%j.0 = phi i32 [ 0, %for.body ], [ %inc9, %for.inc8 ]
|
|
%cmp2 = icmp slt i32 %j.0, %P
|
|
br i1 %cmp2, label %for.body3, label %for.end10
|
|
|
|
for.body3: ; preds = %for.cond1
|
|
br label %for.cond4
|
|
|
|
for.cond4: ; preds = %for.inc, %for.body3
|
|
%k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ]
|
|
%cmp5 = icmp slt i32 %k.0, %M
|
|
br i1 %cmp5, label %for.body6, label %for.end
|
|
|
|
for.body6: ; preds = %for.cond4
|
|
%tmp = mul nsw i32 %j.0, %M
|
|
%arrayidx.sum = add i32 %tmp, %k.0
|
|
%arrayidx7 = getelementptr inbounds i32, i32* %sum, i32 %arrayidx.sum
|
|
%tmp1 = load i32, i32* %arrayidx7, align 4
|
|
%xor = xor i32 %tmp1, %j.0
|
|
store i32 %xor, i32* %arrayidx7, align 4
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %for.body6
|
|
%inc = add nsw i32 %k.0, 1
|
|
br label %for.cond4
|
|
|
|
for.end: ; preds = %for.cond4
|
|
br label %for.inc8
|
|
|
|
for.inc8: ; preds = %for.end
|
|
%inc9 = add nsw i32 %j.0, 1
|
|
br label %for.cond1
|
|
|
|
for.end10: ; preds = %for.cond1
|
|
br label %for.inc11
|
|
|
|
for.inc11: ; preds = %for.end10
|
|
%inc12 = add nsw i32 %i.0, 1
|
|
br label %for.cond
|
|
|
|
for.end13: ; preds = %for.cond
|
|
ret void
|
|
}
|