39 lines
983 B
LLVM
39 lines
983 B
LLVM
; RUN: opt -loops -analyze -enable-new-pm=0 < %s | FileCheck %s
|
|
; RUN: opt -passes='print<loops>' -disable-output %s 2>&1 | FileCheck %s
|
|
;
|
|
; void func(long n, double A[static const restrict n]) {
|
|
; for (long i = 0; i < n; i += 1)
|
|
; A[i] = 21;
|
|
; }
|
|
;
|
|
; Check that isAnnotatedParallel is working as expected.
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @func(i64 %n, double* noalias nonnull %A) {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond:
|
|
%i.0 = phi i64 [ 0, %entry ], [ %add, %for.body ]
|
|
%cmp = icmp slt i64 %i.0, %n
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
for.body:
|
|
%arrayidx = getelementptr inbounds double, double* %A, i64 %i.0
|
|
store double 2.100000e+01, double* %arrayidx, align 8, !llvm.access.group !6
|
|
%add = add nuw nsw i64 %i.0, 1
|
|
br label %for.cond, !llvm.loop !7
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
!6 = distinct !{} ; access group
|
|
|
|
!7 = distinct !{!7, !9} ; LoopID
|
|
!9 = !{!"llvm.loop.parallel_accesses", !6}
|
|
|
|
|
|
; CHECK: Parallel Loop
|