forked from OSchip/llvm-project
59 lines
1.6 KiB
LLVM
59 lines
1.6 KiB
LLVM
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
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;
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; void g();
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; int f(int *A) {
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; int a0 = 0, a1 = 0, a2 = 0;
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; for (int i = 0; i < 1000; i++) {
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; a0 = 2 * i;
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; // split
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; A[0] = i;
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; a1 = 2 * i;
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; // split
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; a2 = 2 * i;
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; }
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; g();
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; return a1 + a2;
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; }
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;
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; CHECK: Stmt_bb1
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; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK: { Stmt_bb1[i0] -> MemRef_a_0[] };
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; CHECK: Stmt_bb2
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; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK: { Stmt_bb2[i0] -> MemRef_a_1[] };
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; CHECK: Stmt_bb3
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; CHECK: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK: { Stmt_bb3[i0] -> MemRef_a_2[] };
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define i32 @f(i32* %A) {
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bb:
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br label %bb1
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bb1: ; preds = %bb3, %bb
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%i.0 = phi i32 [ 0, %bb ], [ %tmp4, %bb3 ]
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%a.0 = mul i32 %i.0, 2
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br label %bb2
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bb2: ; preds = %bb1
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%a.1 = mul i32 %i.0, 2
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store i32 %i.0, i32 *%A, align 4
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br label %bb3
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bb3: ; preds = %bb2
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%tmp = shl nsw i32 %i.0, 1
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%tmp4 = add nuw nsw i32 %i.0, 1
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%a.2 = mul i32 %i.0, 2
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%exitcond = icmp ne i32 %i.0, 1000
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br i1 %exitcond, label %bb1, label %bb5
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bb5: ; preds = %bb1
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call void (...) @g() #2
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%add = add i32 %a.0, %a.1
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%add2 = add i32 %add, %a.2
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ret i32 %add2
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}
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declare void @g(...) #1
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