808cd69a92
Instead of flat schedules, we now use so-called schedule trees to represent the execution order of the statements in a SCoP. Schedule trees make it a lot easier to analyze, understand and modify properties of a schedule, as specific nodes in the tree can be choosen and possibly replaced. This patch does not yet fully move our DependenceInfo pass to schedule trees, as some additional performance analysis is needed here. (In general schedule trees should be faster in compile-time, as the more structured representation is generally easier to analyze and work with). We also can not yet perform the reduction analysis on schedule trees. For more information regarding schedule trees, please see Section 6 of https://lirias.kuleuven.be/handle/123456789/497238 llvm-svn: 242130
46 lines
1.8 KiB
LLVM
46 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-opt-isl -analyze -polly-ast -polly-tile-sizes=256,16 < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-detect-unprofitable -polly-opt-isl -analyze -polly-no-tiling -polly-ast -polly-tile-sizes=256,16 -polly-no-early-exit < %s | FileCheck %s --check-prefix=NOTILING
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; CHECK: for (int c0 = 0; c0 <= 3; c0 += 1)
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; CHECK: for (int c1 = 0; c1 <= 31; c1 += 1)
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; CHECK: for (int c2 = 0; c2 <= 255; c2 += 1)
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; CHECK: for (int c3 = 0; c3 <= 15; c3 += 1)
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; CHECK: Stmt_for_body3(256 * c0 + c2, 16 * c1 + c3);
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; NOTILING: for (int c0 = 0; c0 <= 1023; c0 += 1)
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; NOTILING: for (int c1 = 0; c1 <= 511; c1 += 1)
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; NOTILING: Stmt_for_body3(c0, c1);
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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; Function Attrs: nounwind
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define void @rect([512 x i32]* %A) {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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br label %for.body3.lr.ph
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for.body3.lr.ph: ; preds = %for.inc5, %entry.split
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%i.0 = phi i32 [ 0, %entry.split ], [ %inc6, %for.inc5 ]
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br label %for.body3
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for.body3: ; preds = %for.body3.lr.ph, %for.body3
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%j.0 = phi i32 [ 0, %for.body3.lr.ph ], [ %inc, %for.body3 ]
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%mul = mul nsw i32 %j.0, %i.0
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%rem = srem i32 %mul, 42
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%arrayidx4 = getelementptr inbounds [512 x i32], [512 x i32]* %A, i32 %i.0, i32 %j.0
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store i32 %rem, i32* %arrayidx4, align 4
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%inc = add nsw i32 %j.0, 1
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%cmp2 = icmp slt i32 %inc, 512
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br i1 %cmp2, label %for.body3, label %for.inc5
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for.inc5: ; preds = %for.body3
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%inc6 = add nsw i32 %i.0, 1
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%cmp = icmp slt i32 %inc6, 1024
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br i1 %cmp, label %for.body3.lr.ph, label %for.end7
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for.end7: ; preds = %for.inc5
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ret void
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}
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