forked from OSchip/llvm-project
70 lines
2.5 KiB
LLVM
70 lines
2.5 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze \
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; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
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;
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; CHECK: Invariant Accesses: {
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: MemRef_bounds[0]
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; CHECK-NEXT: Execution Context: [bounds0, bounds1] -> { : }
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: MemRef_bounds[1]
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; CHECK-NEXT: Execution Context: [bounds0, bounds1] -> { : }
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; CHECK: }
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; double A[1000][1000];
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; long bounds[2];
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;
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; void foo() {
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;
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; for (long i = 0; i <= bounds[0]; i++)
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; for (long j = 0; j <= bounds[1]; j++)
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; A[i][j] += i + j;
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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@bounds = common global [2 x i64] zeroinitializer, align 16
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@A = common global [1000 x [1000 x double]] zeroinitializer, align 16
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define void @foo() {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc.6, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc7, %for.inc.6 ]
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%bounds0 = load i64, i64* getelementptr inbounds ([2 x i64], [2 x i64]* @bounds, i64 0, i64 0), align 16
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%cmp = icmp sgt i64 %i.0, %bounds0
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br i1 %cmp, label %for.end.8, label %for.body
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for.body: ; preds = %for.cond
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br label %for.cond.1
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for.cond.1: ; preds = %for.inc, %for.body
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%j.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ]
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%bounds1 = load i64, i64* getelementptr inbounds ([2 x i64], [2 x i64]* @bounds, i64 0, i64 1), align 8
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%cmp2 = icmp sgt i64 %j.0, %bounds1
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br i1 %cmp2, label %for.end, label %for.body.3
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for.body.3: ; preds = %for.cond.1
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%add = add nsw i64 %i.0, %j.0
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%conv = sitofp i64 %add to double
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%arrayidx4 = getelementptr inbounds [1000 x [1000 x double]], [1000 x [1000 x double]]* @A, i64 0, i64 %i.0, i64 %j.0
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%tmp2 = load double, double* %arrayidx4, align 8
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%add5 = fadd double %tmp2, %conv
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store double %add5, double* %arrayidx4, align 8
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br label %for.inc
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for.inc: ; preds = %for.body.3
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%inc = add nuw nsw i64 %j.0, 1
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br label %for.cond.1
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for.end: ; preds = %for.cond.1
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br label %for.inc.6
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for.inc.6: ; preds = %for.end
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%inc7 = add nuw nsw i64 %i.0, 1
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br label %for.cond
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for.end.8: ; preds = %for.cond
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ret void
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}
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