forked from OSchip/llvm-project
59 lines
1.7 KiB
LLVM
59 lines
1.7 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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; Verify that we canonicalize accesses even tough one of the accesses (even
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; the canonical base) has a partial execution context. This is correct as
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; the combined execution context still coveres both accesses.
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; CHECK: Invariant Accesses: {
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body2[i0] -> MemRef_A[0] };
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; CHECK-NEXT: Execution Context: { : }
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; CHECK-NEXT: }
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; CHECK: 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, 0] };
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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 <= 510 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_body2[i0] -> [i0, 1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_body2[i0] -> MemRef_baseB[0] };
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define void @foo(float** %A) {
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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 %body1, label %exit
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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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%cmp = icmp slt i64 %indvar.next, 512
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br i1 %cmp, label %body2, label %latch
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body2:
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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 %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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