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| ; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -polly-parallel \
; RUN: -polly-parallel-force -S < %s | FileCheck %s
;
; Test to verify that we hand down the preloaded A[0] to the OpenMP subfunction but
; not B[0] as it is not needed
;
; void f(float *A, float *B) {
; // Not parallel
; for (int i = 1; i < 1000; i++) {
; B[i] = B[i+1] + B[0];
; // Parallel
; for (int j = 1; j < 1000; j++)
; A[j] += A[0];
; }
; }
;
; i A[0] A
; CHECK: %polly.par.userContext = alloca { i64, float, float* }
;
; CHECK: %polly.access.B.load =
; CHECK: %polly.subfn.storeaddr.polly.access.A.load = getelementptr inbounds
; CHECK: store float %polly.access.A.load, float* %polly.subfn.storeaddr.polly.access.A.load
; CHECK-NOT: store float %polly.access.B.load, float* %polly.subfn.storeaddr.polly.access.B.load
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(float* %A, float* %B) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc.9, %entry
%indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc.9 ], [ 1, %entry ]
%exitcond3 = icmp ne i64 %indvars.iv1, 1000
br i1 %exitcond3, label %for.body, label %for.end.11
for.body: ; preds = %for.cond
%tmp = load float, float* %B, align 4
%arrayidx1 = getelementptr inbounds float, float* %B, i64 %indvars.iv1
%iv.add = add nsw i64 %indvars.iv1, 1
%arrayidx2 = getelementptr inbounds float, float* %B, i64 %iv.add
%tmp4 = load float, float* %arrayidx2, align 4
%add = fadd float %tmp4, %tmp
store float %add, float* %arrayidx1, align 4
br label %for.cond.2
for.cond.2: ; preds = %for.inc, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 1, %for.body ]
%exitcond = icmp ne i64 %indvars.iv, 1000
br i1 %exitcond, label %for.body.4, label %for.end
for.body.4: ; preds = %for.cond.2
%tmp5 = load float, float* %A, align 4
%arrayidx7 = getelementptr inbounds float, float* %A, i64 %indvars.iv
%tmp6 = load float, float* %arrayidx7, align 4
%add8 = fadd float %tmp6, %tmp5
store float %add8, float* %arrayidx7, align 4
br label %for.inc
for.inc: ; preds = %for.body.4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond.2
for.end: ; preds = %for.cond.2
br label %for.inc.9
for.inc.9: ; preds = %for.end
%indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
br label %for.cond
for.end.11: ; preds = %for.cond
ret void
}
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