25 lines
814 B
LLVM
25 lines
814 B
LLVM
|
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4
|
||
|
|
|
||
|
|
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-S128"
|
||
|
|
|
||
|
|
define void @test() {
|
||
|
|
entry:
|
||
|
|
br i1 undef, label %while.end, label %while.body.lr.ph
|
||
|
|
|
||
|
|
while.body.lr.ph:
|
||
|
|
br label %while.body
|
||
|
|
|
||
|
|
while.body:
|
||
|
|
%it.sroa.0.091 = phi i32* [ undef, %while.body.lr.ph ], [ %incdec.ptr.i, %while.body ]
|
||
|
|
%incdec.ptr.i = getelementptr inbounds i32, i32* %it.sroa.0.091, i64 1
|
||
|
|
%inc32 = add i32 undef, 1 ; <------------- Make sure we don't set NSW flags to the undef.
|
||
|
|
%cmp.i11 = icmp eq i32* %incdec.ptr.i, undef
|
||
|
|
br i1 %cmp.i11, label %while.end, label %while.body
|
||
|
|
|
||
|
|
while.end:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
|