reduction_multiple_dimensions_4.ll
2.43 KB
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; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s
;
; CHECK-NOT:#pragma known-parallel reduction
; CHECK: #pragma known-parallel
; CHECK: for (int c0 = 0; c0 <= 2047; c0 += 1)
; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1)
; CHECK: #pragma simd reduction
; CHECK: for (int c2 = 0; c2 <= 511; c2 += 1)
; CHECK: Stmt_for_body6(c0, c1, c2);
;
; void rmd4(int *A) {
; for (long i = 0; i < 2048; i++)
; for (long j = 0; j < 1024; j++)
; for (long k = 0; k < 512; k++)
; A[i] += i;
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @rmd4(i32* %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc10, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ]
%exitcond2 = icmp ne i32 %i.0, 2048
br i1 %exitcond2, label %for.body, label %for.end12
for.body: ; preds = %for.cond
br label %for.cond1
for.cond1: ; preds = %for.inc7, %for.body
%j.0 = phi i32 [ 0, %for.body ], [ %inc8, %for.inc7 ]
%exitcond1 = icmp ne i32 %j.0, 1024
br i1 %exitcond1, label %for.body3, label %for.end9
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 ]
%exitcond = icmp ne i32 %k.0, 512
br i1 %exitcond, label %for.body6, label %for.end
for.body6: ; preds = %for.cond4
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.0
%tmp = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %tmp, %i.0
store i32 %add, i32* %arrayidx, 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.inc7
for.inc7: ; preds = %for.end
%inc8 = add nsw i32 %j.0, 1
br label %for.cond1
for.end9: ; preds = %for.cond1
br label %for.inc10
for.inc10: ; preds = %for.end9
%inc11 = add nsw i32 %i.0, 1
br label %for.cond
for.end12: ; preds = %for.cond
ret void
}