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