forked from OSchip/llvm-project
55 lines
1.5 KiB
LLVM
55 lines
1.5 KiB
LLVM
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; 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 a delinearized and a not delinearized access are not
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; canonizalized.
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; CHECK: Stmt_body1
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n] -> { Stmt_body1[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n] -> { Stmt_body1[i0] -> [i0, 0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n] -> { 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: [n] -> { Stmt_body2[i0] : 0 <= i0 <= 1022 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n] -> { Stmt_body2[i0] -> [i0, 1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n] -> { Stmt_body2[i0] -> MemRef_baseA[i0, i0] };
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; CHECK-NEXT: }
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define void @foo(float** %A, i64 %n, i64 %m) {
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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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%baseB = load float*, float** %A
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store float 42.0, float* %baseB
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br label %body2
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body2:
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%baseA = load float*, float** %A
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%offsetA = mul i64 %indvar, %n
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%offsetA2 = add i64 %offsetA, %indvar
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%ptrA = getelementptr float, float* %baseA, i64 %offsetA2
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store float 42.0, float* %ptrA
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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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