forked from OSchip/llvm-project
74 lines
3.1 KiB
LLVM
74 lines
3.1 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: [N, valid_val] -> { Stmt_for_body[i0] -> MemRef_valid[0] };
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; CHECK-NEXT: Execution Context: [N, valid_val] -> { : N > 0 }
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> MemRef_ptr_addr[0] };
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; CHECK-NEXT: Execution Context: [N, valid_val] -> { : }
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> MemRef_tmp2[0] };
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; CHECK-NEXT: Execution Context: [N, valid_val] -> { : N > 0 and (valid_val < 0 or valid_val > 0) }
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; CHECK-NEXT: }
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; CHECK-NEXT: Context:
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; CHECK-NEXT: [N, valid_val] -> { : -2147483648 <= N <= 2147483647 and -2147483648 <= valid_val <= 2147483647 }
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; CHECK-NEXT: Assumed Context:
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; CHECK-NEXT: [N, valid_val] -> { : }
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; CHECK-NEXT: Invalid Context:
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; CHECK-NEXT: [N, valid_val] -> { : valid_val = 0 and N > 0 }
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;
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_S
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] : 0 <= i0 < N };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> [i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [N, valid_val] -> { Stmt_S[i0] -> MemRef_A[i0] };
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; CHECK-NEXT: }
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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 %N, i32* noalias %valid, i32* noalias %ptr, i32* noalias %A) {
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entry:
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%ptr.addr = alloca i32*, align 8
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store i32* %ptr, i32** %ptr.addr, align 8
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%tmp = sext i32 %N 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
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for.body: ; preds = %for.cond
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%valid_val = load i32, i32* %valid, align 4
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%cmp1 = icmp eq i32 %valid_val, 0
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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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call void @doSth(i32** nonnull %ptr.addr)
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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 %S
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S: ; preds = %if.end
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%tmp2 = load i32*, i32** %ptr.addr, align 8
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%tmp3 = load i32, i32* %tmp2, align 4
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 %tmp3, i32* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %S
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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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declare void @doSth(i32**)
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