derek.holloway
7502bf64a4
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111 lines
2.9 KiB
LLVM
111 lines
2.9 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly-custom<detect;scops>' -polly-print-detect -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s 2>&1 | FileCheck %s
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; CHECK-NOT: Function: foo_undereferanceable
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; CHECK: Function: foo_dereferanceable
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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: [sizeA] -> { Stmt_for_body_j__TO__for_latch_j[i0, i1] -> MemRef_sizeA_ptr[0] };
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; CHECK-NEXT: Execution Context: [sizeA] -> { : }
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; CHECK-NEXT: }
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; CHECK: MayWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [sizeA] -> { Stmt_for_body_j__TO__for_latch_j[i0, i1] -> MemRef_A[i1, i0] };
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; CHECK-NOT: Function: foo_undereferanceable
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define void @foo_dereferanceable(ptr %A, ptr %B, ptr dereferenceable(8) align 8 %sizeA_ptr,
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i32 %lb.i, i32 %lb.j, i32 %ub.i, i32 %ub.j) {
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entry:
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br label %for.i
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for.i:
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%indvar.i = phi i32 [0, %entry], [%indvar.next.i, %for.latch.i]
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%indvar.next.i = add i32 %indvar.i, 1
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%cmp.i = icmp sle i32 %indvar.i, 1024
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br i1 %cmp.i, label %for.body.i, label %exit
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for.body.i:
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br label %for.j
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for.j:
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%indvar.j = phi i32 [0, %for.body.i], [%indvar.next.j, %for.latch.j]
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%indvar.next.j = add i32 %indvar.j, 1
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%cmp.j = icmp sle i32 %indvar.j, 1024
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br i1 %cmp.j, label %for.body.j, label %for.latch.i
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for.body.j:
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%prod = mul i32 %indvar.j, %indvar.j
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%cmp = icmp sle i32 %prod, 1024
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br i1 %cmp, label %stmt, label %for.latch.j
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stmt:
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%sext.i = sext i32 %indvar.i to i64
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%sext.j = sext i32 %indvar.j to i64
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%sizeA = load i64, ptr %sizeA_ptr
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%prodA = mul i64 %sext.j, %sizeA
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%offsetA = add i64 %sext.i, %prodA
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%ptrA = getelementptr double, ptr %A, i64 %offsetA
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store double 42.0, ptr %ptrA
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br label %for.latch.j
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for.latch.j:
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br label %for.j
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for.latch.i:
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br label %for.i
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exit:
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ret void
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}
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define void @foo_undereferanceable(ptr %A, ptr %B, ptr %sizeA_ptr) {
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entry:
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br label %for.i
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for.i:
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%indvar.i = phi i32 [0, %entry], [%indvar.next.i, %for.latch.i]
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%indvar.next.i = add i32 %indvar.i, 1
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%cmp.i = icmp sle i32 %indvar.i, 1024
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br i1 %cmp.i, label %for.body.i, label %exit
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for.body.i:
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br label %for.j
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for.j:
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%indvar.j = phi i32 [0, %for.body.i], [%indvar.next.j, %for.latch.j]
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%indvar.next.j = add i32 %indvar.j, 1
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%cmp.j = icmp sle i32 %indvar.j, 1024
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br i1 %cmp.j, label %for.body.j, label %for.latch.i
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for.body.j:
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%prod = mul i32 %indvar.j, %indvar.j
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%cmp = icmp sle i32 %prod, 1024
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br i1 %cmp, label %stmt, label %for.latch.j
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stmt:
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%sext.i = sext i32 %indvar.i to i64
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%sext.j = sext i32 %indvar.j to i64
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%sizeA = load i64, ptr %sizeA_ptr
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%prodA = mul i64 %sext.j, %sizeA
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%offsetA = add i64 %sext.i, %prodA
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%ptrA = getelementptr double, ptr %A, i64 %offsetA
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store double 42.0, ptr %ptrA
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br label %for.latch.j
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for.latch.j:
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br label %for.j
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for.latch.i:
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br label %for.i
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exit:
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ret void
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}
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