reference-preceeding-loop.ll
1.38 KB
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; RUN: opt %loadPolly -polly-parallel -polly-parallel-force -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST
; RUN: opt %loadPolly -polly-parallel -polly-parallel-force -polly-codegen -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR
; - Test the case where scalar evolution references a loop that is outside
; of the scop, but does not contain the scop.
; AST: {
; AST-NEXT: #pragma simd
; AST-NEXT: #pragma omp parallel for
; AST-NEXT: for (int c0 = 0; c0 < -p_0 + symbol; c0 += 1)
; AST-NEXT: Stmt_while_body(c0);
; AST-NEXT: if (p_0 >= symbol)
; AST-NEXT: Stmt_while_body(0);
; AST-NEXT: }
; IR: @update_model_polly_subfn
; IR-NOT: @update_model_polly_subfn_1
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@cum_freq = external global [258 x i64], align 16
define void @update_model(i64 %symbol) {
entry:
br label %for.one
for.one:
%i.1 = phi i64 [ %dec07, %for.one ], [ %symbol, %entry ]
%dec07 = add nsw i64 %i.1, -1
br i1 undef, label %for.one, label %while.body
while.body:
%indvar = phi i64 [ %sub42, %while.body ], [ %i.1, %for.one ]
%sub42 = add nsw i64 %indvar, -1
%arrayidx44 = getelementptr inbounds [258 x i64], [258 x i64]* @cum_freq, i64 0, i64 %sub42
store i64 1, i64* %arrayidx44, align 4
%cmp40 = icmp sgt i64 %sub42, 0
br i1 %cmp40, label %while.body, label %while.end
while.end:
ret void
}