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| ; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-dependences -polly-dependences-analysis-type=value-based -polly-dependences-analysis-level=reference-wise -analyze < %s | FileCheck %s --check-prefix=REF
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-dependences -polly-dependences-analysis-type=value-based -polly-dependences-analysis-level=access-wise -analyze < %s | FileCheck %s --check-prefix=ACC
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-function-dependences -polly-dependences-analysis-type=value-based -polly-dependences-analysis-level=access-wise -analyze < %s | FileCheck %s --check-prefix=ACC
;
; REF: RAW dependences:
; REF-NEXT: [N] -> { Stmt_for_body[i0] -> Stmt_for_body[6 + i0] : 0 <= i0 <= -13 + N; Stmt_for_body[i0] -> Stmt_for_body[4 + i0] : 0 <= i0 <= -11 + N; [Stmt_for_body[i0] -> MemRef_a[]] -> [Stmt_for_body[4 + i0] -> MemRef_a[]] : 0 <= i0 <= -11 + N; [Stmt_for_body[i0] -> MemRef_b[]] -> [Stmt_for_body[6 + i0] -> MemRef_b[]] : 0 <= i0 <= -13 + N }
; REF-NEXT: WAR dependences:
; REF-NEXT: { }
; REF-NEXT: WAW dependences:
; REF-NEXT: { }
; REF-NEXT: Reduction dependences:
; REF-NEXT: { }
; ACC: RAW dependences:
; ACC-NEXT: [N] -> { Stmt_for_body[i0] -> Stmt_for_body[6 + i0] : 0 <= i0 <= -13 + N; Stmt_for_body[i0] -> Stmt_for_body[4 + i0] : 0 <= i0 <= -11 + N; [Stmt_for_body[i0] -> Stmt_for_body_Write1[]] -> [Stmt_for_body[4 + i0] -> Stmt_for_body_Read0[]] : 0 <= i0 <= -11 + N; [Stmt_for_body[i0] -> Stmt_for_body_Write3[]] -> [Stmt_for_body[6 + i0] -> Stmt_for_body_Read2[]] : 0 <= i0 <= -13 + N }
; ACC-NEXT: WAR dependences:
; ACC-NEXT: [N] -> { }
; ACC-NEXT: WAW dependences:
; ACC-NEXT: [N] -> { }
; ACC-NEXT: Reduction dependences:
; ACC-NEXT: [N] -> { }
; void test(char a[], char b[], long N) {
; for (long i = 6; i < N; ++i) {
; a[i] = a[i - 4] + i;
; b[i] = b[i - 6] + i;
; }
; }
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: nounwind uwtable
define void @test(i8* %a, i8* %b, i64 %N) #0 {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i64 [ 6, %entry ], [ %inc, %for.inc ]
%cmp = icmp slt i64 %i.0, %N
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%sub = sub nsw i64 %i.0, 4
%arrayidx = getelementptr inbounds i8, i8* %a, i64 %sub
%0 = load i8, i8* %arrayidx, align 1
%conv = sext i8 %0 to i64
%add = add nsw i64 %conv, %i.0
%conv1 = trunc i64 %add to i8
%arrayidx2 = getelementptr inbounds i8, i8* %a, i64 %i.0
store i8 %conv1, i8* %arrayidx2, align 1
%sub3 = sub nsw i64 %i.0, 6
%arrayidx4 = getelementptr inbounds i8, i8* %b, i64 %sub3
%1 = load i8, i8* %arrayidx4, align 1
%conv5 = sext i8 %1 to i64
%add6 = add nsw i64 %conv5, %i.0
%conv7 = trunc i64 %add6 to i8
%arrayidx8 = getelementptr inbounds i8, i8* %b, i64 %i.0
store i8 %conv7, i8* %arrayidx8, align 1
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i64 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.ident = !{!0}
!0 = !{!"clang version 3.9.0"}
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