2015-10-06 23:36:44 +08:00
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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2015-10-04 23:00:05 +08:00
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;
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; CHECK: Invariant Accesses: {
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; CHECK-NEXT: }
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;
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; CHECK-NOT: Stmt_if_then
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;
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;
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; void f(int *A) {
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; for (int i = 1; i < 10; i++) {
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; A[i]++;
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; if (i > 10)
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; A[i] += A[0];
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; }
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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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define void @f(i32* %A) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 1, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 10
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp = load i32, i32* %arrayidx, align 4
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%inc = add nsw i32 %tmp, 1
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store i32 %inc, i32* %arrayidx, align 4
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br i1 false, label %if.then, label %if.end
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if.then: ; preds = %for.body
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%tmp1 = load i32, i32* %A, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp2 = load i32, i32* %arrayidx4, align 4
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%add = add nsw i32 %tmp2, %tmp1
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store i32 %add, i32* %arrayidx4, align 4
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br label %if.end
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if.end: ; preds = %if.then, %for.body
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br label %for.inc
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for.inc: ; preds = %if.end
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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