forked from OSchip/llvm-project
47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; CHECK: Domain :=
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; CHECK: { Stmt_if_end[i0] : 0 <= i0 <= 1024 };
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;
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; void f(int *A) {
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; int i = 0;
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; do {
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; if (i > 1024)
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; break;
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; A[i] = i;
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; i++;
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; } while (i > 0);
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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 %do.body
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do.body: ; preds = %do.cond, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %do.cond ], [ 0, %entry ]
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%cmp = icmp sgt i64 %indvars.iv, 1024
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %do.body
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br label %do.end
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if.end: ; preds = %do.body
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp = trunc i64 %indvars.iv to i32
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store i32 %tmp, i32* %arrayidx, align 4
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br label %do.cond
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do.cond: ; preds = %if.end
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%cmp2 = icmp sgt i64 %indvars.iv.next, 0
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br i1 %cmp2, label %do.body, label %do.end.loopexit
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do.end.loopexit: ; preds = %do.cond
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br label %do.end
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do.end: ; preds = %do.end.loopexit, %if.then
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ret void
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}
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