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Differential D5517 Diff 16203 test/Isl/CodeGen/OpenMP/reference-preceeding-loop.ll

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test/Isl/CodeGen/OpenMP/reference-preceeding-loop.ll

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				; RUN: opt %loadPolly -polly-parallel -polly-ast -analyze -polly-codegen-scev < %s \| FileCheck %s -check-prefix=AST
				; RUN: opt %loadPolly -polly-parallel -polly-codegen-isl -S -polly-codegen-scev -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.
				; - Test the case where two parallel subfunctions are created.

				; AST: if (symbol >= p_2 + 1) {
				; AST-NEXT: #pragma simd
				; AST-NEXT: #pragma omp parallel for
				; AST-NEXT: for (int c1 = 0; c1 < p_0 + symbol; c1 += 1)
				; AST-NEXT: Stmt_while_body(c1);
				; AST-NEXT: } else
				; AST-NEXT: #pragma simd
				; AST-NEXT: #pragma omp parallel for
				; AST-NEXT: for (int c1 = 0; c1 <= p_0 + p_2; c1 += 1)
				; AST-NEXT: Stmt_while_body(c1);

				; IR: @update_model.polly.subfn
				; IR: @update_model.polly.subfn1

				target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
				target triple = "x86_64-unknown-linux-gnu"

				@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 [ %dec17, %for.one ], [ %symbol, %entry ]
				%dec17 = 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]* @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
				}