forked from OSchip/llvm-project
92 lines
3.2 KiB
LLVM
92 lines
3.2 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s \
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; RUN: -polly-invariant-load-hoisting \
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; RUN: | FileCheck %s
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; Make sure we choose a canonical element that is not the first invariant load,
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; but the first that is an array base pointer.
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_body0
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_body0[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_body0[i0] -> [i0, 0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body0[i0] -> MemRef_X[0] };
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; CHECK-NEXT: Stmt_body1
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_body1[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_body1[i0] -> [i0, 1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body1[i0] -> MemRef_baseB[0] };
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; CHECK-NEXT: Stmt_body2
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_body2[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_body2[i0] -> [i0, 2] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body2[i0] -> MemRef_X[0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_body2[i0] -> MemRef_ptr[] };
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; CHECK-NEXT: Stmt_body3
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_body3[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_body3[i0] -> [i0, 3] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body3[i0] -> MemRef_baseB[0] };
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; CHECK-NEXT: Stmt_body4
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_body4[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_body4[i0] -> [i0, 4] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body4[i0] -> MemRef_X[0] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: { Stmt_body4[i0] -> MemRef_ptr[] };
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; CHECK-NEXT: }
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define void @foo(float** %A, float** %X) {
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start:
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br label %loop
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loop:
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%indvar = phi i64 [0, %start], [%indvar.next, %latch]
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%indvar.next = add nsw i64 %indvar, 1
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%icmp = icmp slt i64 %indvar.next, 1024
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br i1 %icmp, label %body0, label %exit
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body0:
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%ptr = load float*, float** %A
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store float* %ptr, float** %X
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br label %body1
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body1:
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%baseA = load float*, float** %A
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store float 42.0, float* %baseA
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br label %body2
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body2:
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%ptr2 = load float*, float** %A
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store float* %ptr, float** %X
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br label %body3
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body3:
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%baseB = load float*, float** %A
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store float 42.0, float* %baseB
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br label %body4
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body4:
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%ptr3 = load float*, float** %A
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store float* %ptr, float** %X
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br label %latch
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latch:
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br label %loop
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exit:
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ret void
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}
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