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path: root/polly/test/Isl/CodeGen/OpenMP/loop-body-references-outer-values.ll
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; RUN: opt %loadPolly -polly-detect-unprofitable -polly-parallel -polly-parallel-force -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-parallel -polly-parallel-force -polly-codegen-isl -S < %s | FileCheck %s -check-prefix=IR
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-parallel -polly-parallel-force -polly-codegen-isl -S < %s | FileCheck %s -check-prefix=IR

; Make sure we correctly forward the reference to 'A' to the OpenMP subfunction.
;
; void loop_references_outer_ids(float *A) {
;   for (long i = 0; i < 100; i++)
;     A[i] = i;
; }


; AST: #pragma simd
; AST: #pragma omp parallel for
; AST: for (int c0 = 0; c0 <= 99; c0 += 1)
; AST:   Stmt_for_body(c0);

; IR-LABEL: polly.start:
; IR-NEXT:  %0 = bitcast { float* }* %polly.par.userContext to i8*
; IR-NEXT:  call void @llvm.lifetime.start(i64 8, i8* %0)
; IR-NEXT:  %1 = getelementptr inbounds { float* }* %polly.par.userContext, i32 0, i32 0
; IR-NEXT:  store float* %A, float** %1
; IR-NEXT:  %polly.par.userContext1 = bitcast { float* }* %polly.par.userContext to i8*

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

define void @loop_references_outer_ids(float* %A) {
entry:
  br label %for.cond

for.cond:                                         ; preds = %for.inc, %entry
  %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
  %exitcond = icmp ne i64 %i.0, 100
  br i1 %exitcond, label %for.body, label %for.end

for.body:                                         ; preds = %for.cond
  %conv = sitofp i64 %i.0 to float
  %arrayidx = getelementptr inbounds float* %A, i64 %i.0
  store float %conv, float* %arrayidx, align 4
  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
}
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