invariant-load-func.ll
2.39 KB
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; RUN: opt %loadPolly -polly-detect-full-functions -polly-scop-inliner \
; RUN: -polly-scops -analyze -polly-invariant-load-hoisting < %s | FileCheck %s
; Check that we inline a function that requires invariant load hoisting
; correctly.
; CHECK: Max Loop Depth: 2
; REQUIRES: pollyacc
; void to_be_inlined(int A[], int *begin, int *end) {
; for(int i = *begin; i < *end; i++) {
; A[i] = 10;
; }
; }
;
; static const int N = 1000;
;
; void inline_site(int A[], int *begin, int *end) {
; 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, i32* %begin, i32* %end) {
entry:
br label %entry.split
entry.split: ; preds = %entry
%tmp = load i32, i32* %begin, align 4
%tmp21 = load i32, i32* %end, align 4
%cmp3 = icmp slt i32 %tmp, %tmp21
br i1 %cmp3, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry.split
%tmp1 = sext i32 %tmp to i64
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%indvars.iv4 = phi i64 [ %tmp1, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv4
store i32 10, i32* %arrayidx, align 4
%indvars.iv.next = add i64 %indvars.iv4, 1
%tmp2 = load i32, i32* %end, align 4
%tmp3 = sext i32 %tmp2 to i64
%cmp = icmp slt i64 %indvars.iv.next, %tmp3
br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
for.cond.for.end_crit_edge: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
ret void
}
define void @inline_site(i32* %A, i32* %begin, i32 *%end) {
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, i32* %begin, i32* %end)
%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
}