forked from OSchip/llvm-project
41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; RUN: opt %loadPolly -polly-dependences -analyze < %s | FileCheck %s
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;
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; CHECK: RAW dependences:
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; CHECK: { }
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; CHECK: WAR dependences:
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; CHECK: { }
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; CHECK: WAW dependences:
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; CHECK: { }
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; CHECK: Reduction dependences:
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; CHECK: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : i0 <= 99 and i0 >= 0 }
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;
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; void f(int* sum) {
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; for (int i = 0; i <= 100; i++)
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; sum += i * 3;
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; }
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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define void @f(i32* %sum) {
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entry:
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br label %entry.split1
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entry.split1: ; preds = %entry
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br label %entry.split
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entry.split: ; preds = %entry.split1
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br label %for.cond
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for.cond: ; preds = %for.cond, %entry.split
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%i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
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%sum.reload = load i32* %sum
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%mul = mul nsw i32 %i1.0, 3
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%add = add nsw i32 %sum.reload, %mul
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%inc = add nsw i32 %i1.0, 1
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store i32 %add, i32* %sum
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%cmp = icmp slt i32 %i1.0, 100
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br i1 %cmp, label %for.cond, label %for.end
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for.end: ; preds = %for.cond
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ret void
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}
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