forked from OSchip/llvm-project
42 lines
1.7 KiB
LLVM
42 lines
1.7 KiB
LLVM
; RUN: opt -loop-vectorize -S < %s | FileCheck %s
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: norecurse nounwind uwtable
|
|
define void @Test(i32* nocapture %res, i32* nocapture readnone %c, i32* nocapture readonly %d, i32* nocapture readonly %p) #0 {
|
|
entry:
|
|
br label %for.body
|
|
|
|
; CHECK-LABEL: @Test
|
|
; CHECK: <4 x i32>
|
|
|
|
for.body: ; preds = %cond.end, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %cond.end ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %p, i64 %indvars.iv
|
|
%0 = load i32, i32* %arrayidx, align 4, !llvm.mem.parallel_loop_access !0
|
|
%cmp1 = icmp eq i32 %0, 0
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %res, i64 %indvars.iv
|
|
%1 = load i32, i32* %arrayidx3, align 4, !llvm.mem.parallel_loop_access !0
|
|
br i1 %cmp1, label %cond.end, label %cond.false
|
|
|
|
cond.false: ; preds = %for.body
|
|
%arrayidx7 = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
|
|
%2 = load i32, i32* %arrayidx7, align 4, !llvm.mem.parallel_loop_access !0
|
|
%add = add nsw i32 %2, %1
|
|
br label %cond.end
|
|
|
|
cond.end: ; preds = %for.body, %cond.false
|
|
%cond = phi i32 [ %add, %cond.false ], [ %1, %for.body ]
|
|
store i32 %cond, i32* %arrayidx3, align 4, !llvm.mem.parallel_loop_access !0
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 16
|
|
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
|
|
|
|
for.end: ; preds = %cond.end
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { norecurse nounwind uwtable "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" }
|
|
|
|
!0 = distinct !{!0}
|