forked from OSchip/llvm-project
36 lines
899 B
LLVM
36 lines
899 B
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; TODO: We do not allow unbounded loops at the moment.
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;
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; CHECK-NOT: Stmt_for_body
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;
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; void f(int *A, int N, int M) {
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; for (int i = M; i > N; i++)
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; A[i] = i;
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; }
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;
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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define void @f(i32* %A, i32 %N, i32 %M) {
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entry:
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br label %entry.split
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entry.split:
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%cmp.1 = icmp sgt i32 %M, %N
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br i1 %cmp.1, label %for.body, label %for.end
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for.body:
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%indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ %M, %entry.split ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
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store i32 %indvars.iv, i32* %arrayidx, align 4
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%cmp = icmp slt i32 %M, %N
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%indvars.iv.next = add i32 %indvars.iv, 1
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br i1 %cmp, label %for.cond.for.end_crit_edge, label %for.body
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for.cond.for.end_crit_edge:
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br label %for.end
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for.end:
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ret void
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}
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