forked from OSchip/llvm-project
40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
; RUN: opt %loadPolly -polly-analyze-read-only-scalars=false -polly-scops \
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; RUN: -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-analyze-read-only-scalars=true -polly-scops \
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; RUN: -analyze < %s | FileCheck %s \
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; RUN: -check-prefix=SCALARS
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; CHECK-NOT: Memref_scalar
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; SCALARS: float MemRef_scalar; // Element size 4
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; SCALARS: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; SCALARS: { Stmt_stmt1[i0] -> MemRef_scalar[] };
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; SCALARS: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; SCALARS: { Stmt_stmt1[i0] -> MemRef_scalar2[] };
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define void @foo(float* noalias %A, float* %B, float %scalar, float %scalar2) {
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entry:
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br label %loop
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loop:
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%indvar = phi i64 [0, %entry], [%indvar.next, %loop.backedge]
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br label %stmt1
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stmt1:
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%val = load float, float* %A
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%sum = fadd float %val, %scalar
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store float %sum, float* %A
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store float %scalar2, float* %B
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br label %loop.backedge
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loop.backedge:
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%indvar.next = add i64 %indvar, 1
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%cond = icmp sle i64 %indvar, 100
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br i1 %cond, label %loop, label %exit
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exit:
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ret void
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}
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