40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
|
; RUN: opt < %s -O3 -S | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
|
||
|
|
target triple = "nvptx64-nvidia-cuda"
|
||
|
|
|
||
|
|
define void @no_vectorization(i32 %n, i32 %a, i32 %b) {
|
||
|
|
; CHECK-LABEL: no_vectorization(
|
||
|
|
; CHECK-NOT: <4 x i32>
|
||
|
|
; CHECK-NOT: <4 x i1>
|
||
|
|
entry:
|
||
|
|
%cmp.5 = icmp sgt i32 %n, 0
|
||
|
|
br i1 %cmp.5, label %for.body.preheader, label %for.cond.cleanup
|
||
|
|
|
||
|
|
for.body.preheader: ; preds = %entry
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.cond.cleanup.loopexit: ; preds = %for.body
|
||
|
|
br label %for.cond.cleanup
|
||
|
|
|
||
|
|
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
|
||
|
|
ret void
|
||
|
|
|
||
|
|
for.body: ; preds = %for.body.preheader, %for.body
|
||
|
|
%i.06 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||
|
|
%add = add nsw i32 %i.06, %a
|
||
|
|
%mul = mul nsw i32 %add, %b
|
||
|
|
%cmp1 = icmp sgt i32 %mul, -1
|
||
|
|
tail call void @llvm.assume(i1 %cmp1)
|
||
|
|
%inc = add nuw nsw i32 %i.06, 1
|
||
|
|
%exitcond = icmp eq i32 %inc, %n
|
||
|
|
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @llvm.assume(i1) #0
|
||
|
|
|
||
|
|
attributes #0 = { nounwind }
|
||
|
|
|
||
|
|
!nvvm.annotations = !{!0}
|
||
|
|
!0 = !{void (i32, i32, i32)* @no_vectorization, !"kernel", i32 1}
|