| ; RUN: opt %loadPolly -polly-parallel \ |
| ; RUN: -polly-parallel-force -polly-codegen -S -verify-dom-info < %s \ |
| ; RUN: | FileCheck %s -check-prefix=IR |
| |
| ; #define N 1024 |
| ; float A[N]; |
| ; |
| ; void single_parallel_loop(float alpha) { |
| ; for (long i = 0; i < N; i++) |
| ; A[i] = alpha; |
| ; } |
| |
| 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" |
| |
| ; Ensure the scalars are initialized before the OpenMP code is launched. |
| |
| ; IR-LABEL: polly.start: |
| ; IR-NEXT: store float %alpha, float* %alpha.s2a |
| |
| ; IR: GOMP_parallel_loop_runtime_start |
| |
| @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], [1024 x float]* @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, float* %scevgep |
| br label %for.inc |
| |
| for.inc: |
| %indvar.next = add i64 %indvar, 1 |
| br label %for.i |
| |
| exit: |
| ret void |
| } |