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; RUN: opt %loadPolly -polly-parallel \
; RUN: -polly-parallel-force -polly-codegen \
; RUN: -S -verify-dom-info < %s \
; RUN: | FileCheck %s -check-prefix=IR
; RUN: opt %loadPolly -polly-parallel \
; RUN: -polly-parallel-force -polly-codegen -polly-omp-backend=LLVM \
; RUN: -S -verify-dom-info < %s \
; RUN: | FileCheck %s -check-prefix=LIBOMP-IR
; RUN: opt %loadPolly -polly-parallel \
; RUN: -polly-parallel-force -polly-codegen -polly-omp-backend=LLVM \
; RUN: -polly-scheduling=static \
; RUN: -S -verify-dom-info < %s \
; RUN: | FileCheck %s -check-prefix=LIBOMP-STATIC-IR
; Ensure the scalars are initialized before the OpenMP code is launched.
;
; #define N 1024
; float A[N];
;
; void single_parallel_loop(float alpha) {
; for (long i = 0; i < N; i++)
; A[i] = alpha;
; }
;
; IR-LABEL: polly.start:
; IR-NEXT: store float %alpha, ptr %alpha.s2a
; IR: GOMP_parallel_loop_runtime_start
; LIBOMP-IR-LABEL: polly.start:
; LIBOMP-IR-NEXT: store float %alpha, ptr %alpha.s2a
; LIBOMP-IR: call void (ptr, i32, ptr, ...) @__kmpc_fork_call
; LIBOMP-IR: call void @__kmpc_dispatch_init_{{[4|8]}}
; LIBOMP-STATIC-IR: call void (ptr, i32, ptr, ...) @__kmpc_fork_call
; LIBOMP-STATIC-IR: call void @__kmpc_for_static_init_{{[4|8]}}
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
@A = common global [1024 x float] zeroinitializer, align 16
define void @single_parallel_loop(float %alpha) nounwind {
entry:
br label %for.i
for.i:
%indvar = phi i64 [ %indvar.next, %for.inc], [ 0, %entry ]
%scevgep = getelementptr [1024 x float], ptr @A, i64 0, i64 %indvar
%exitcond = icmp ne i64 %indvar, 1024
br i1 %exitcond, label %S, label %exit
S:
%alphaplus = fadd float 1.0, %alpha
store float %alphaplus, ptr %scevgep
br label %for.inc
for.inc:
%indvar.next = add i64 %indvar, 1
br label %for.i
exit:
ret void
}
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