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Differential D36852 Diff 112165 test/ScopInliner/scop-from-entry-successor.ll

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test/ScopInliner/scop-from-entry-successor.ll

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; RUN: opt %loadPolly -polly-detect-full-functions -polly-scop-inliner \
; RUN: -polly-scops -analyze < %s | FileCheck %s
; Check that we get the 2 nested loops by inlining `to_be_inlined` into
; `inline_site`, when the `to_be_inlined` has a `Scop` from the *successor* of
; the entry block to the exit node.
; CHECK: Max Loop Depth: 2
; static const int N = 1000;
;
; void to_be_inlined(int A[]) {
; int B; // we do not allow dead code elimination on purpose to have an alloca.
; for(int i = 0; i < N; i++)
; A[i] *= 10;
; }
;
; void inline_site(int A[]) {
; for(int i = 0; i < N; i++)
; to_be_inlined(A);
; }
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"
define void @to_be_inlined(i32* %A) {
entry:
%alloc_to_block_modelling = alloca i32
br label %entry.split
entry.split: ; preds = %entry
br label %for.body
for.body: ; preds = %entry.split, %for.body
%indvars.iv1 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv1
%tmp = load i32, i32* %arrayidx, align 4
%mul = mul nsw i32 %tmp, 10
store i32 %mul, i32* %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv1, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1000
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret void
}
define void @inline_site(i32* %A) {
entry:
br label %entry.split
entry.split: ; preds = %entry
br label %for.body
for.body: ; preds = %entry.split, %for.body
%i.01 = phi i32 [ 0, %entry.split ], [ %inc, %for.body ]
tail call void @to_be_inlined(i32* %A)
%inc = add nuw nsw i32 %i.01, 1
%exitcond = icmp eq i32 %inc, 1000
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret void
}