forked from OSchip/llvm-project
46 lines
1.2 KiB
LLVM
46 lines
1.2 KiB
LLVM
; 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
|
|
}
|