forked from OSchip/llvm-project
67 lines
2.3 KiB
LLVM
67 lines
2.3 KiB
LLVM
; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
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;
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; The SCoP contains a loop with multiple exit blocks (BBs after leaving
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; the loop). The current implementation of deriving their domain derives
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; only a common domain for all of the exit blocks. We disabled loops with
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; multiple exit blocks until this is fixed.
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; XFAIL: *
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;
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; CHECK: Domain :=
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; CHECK: [N, P, Q] -> { Stmt_if_end[i0] : 0 <= i0 <= 1 + Q and i0 < N and (i0 < P or (P < 0 and i0 >= 2 + P)); Stmt_if_end[0] : N > 0 and ((P <= -2 and Q <= -2) or (P > 0 and Q <= -2) or P = -1) };
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;
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; void f(int *A, int N, int P, int Q) {
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; for (int i = 0; i < N; i++) {
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; if (i == P)
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; break;
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; A[i]++;
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; if (i > Q)
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; break;
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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, i32 %N, i32 %P, i32 %Q) {
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entry:
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%tmp = sext i32 %N to i64
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%tmp1 = sext i32 %Q to i64
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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 ], [ 0, %entry ]
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%cmp = icmp slt i64 %indvars.iv, %tmp
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br i1 %cmp, label %for.body, label %for.end.loopexit
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for.body: ; preds = %for.cond
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%tmp2 = trunc i64 %indvars.iv to i32
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%cmp1 = icmp eq i32 %tmp2, %P
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br i1 %cmp1, label %if.then, label %if.end
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if.then: ; preds = %for.body
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br label %for.end
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if.end: ; preds = %for.body
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp3 = load i32, i32* %arrayidx, align 4
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%inc = add nsw i32 %tmp3, 1
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store i32 %inc, i32* %arrayidx, align 4
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%cmp2 = icmp sgt i64 %indvars.iv, %tmp1
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br i1 %cmp2, label %if.then.3, label %if.end.4
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if.then.3: ; preds = %if.end
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br label %for.end
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if.end.4: ; preds = %if.end
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br label %for.inc
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for.inc: ; preds = %if.end.4
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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.loopexit: ; preds = %for.cond
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %if.then.3, %if.then
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ret void
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}
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