forked from OSchip/llvm-project
48 lines
1.7 KiB
LLVM
48 lines
1.7 KiB
LLVM
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; Check that both a signed as well as an unsigned extended i1 parameter
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; is represented correctly.
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;
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; void f(signed i1 p0, unsigned i1 p1, int *A) {
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; for (int i = 0; i < 100; i++)
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; A[i + p0] = A[i + p1];
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; }
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;
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; CHECK: Context:
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; CHECK-NEXT: [p1, p0] -> { : -1 <= p1 <= 0 and -1 <= p0 <= 0 }
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;
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; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [p1, p0] -> { Stmt_for_body[i0] -> MemRef_A[1 + i0] : p1 = -1; Stmt_for_body[i0] -> MemRef_A[i0] : p1 = 0 };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [p1, p0] -> { Stmt_for_body[i0] -> MemRef_A[p0 + i0] };
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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(i1 %p0, i1 %p1, i32* %A) {
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entry:
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%tmp4 = sext i1 %p0 to i64
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%tmp = zext i1 %p1 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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%exitcond = icmp ne i64 %indvars.iv, 100
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%tmp5 = add nsw i64 %indvars.iv, %tmp
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp5
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%tmp6 = load i32, i32* %arrayidx, align 4
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%tmp7 = add nsw i64 %indvars.iv, %tmp4
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%arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %tmp7
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store i32 %tmp6, i32* %arrayidx3, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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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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