1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s
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"
; This test checks that we deal with an in-loop extractelement (for now, this
; means not crashing by not vectorizing).
; CHECK-LABEL: @_Z4foo1Pii(
; CHECK-NOT: <4 x i32>
; CHECK: ret
define i32 @_Z4foo1Pii(i32* %A, i32 %n, <2 x i32> %q) #0 {
entry:
%idx.ext = sext i32 %n to i64
%add.ptr = getelementptr inbounds i32, i32* %A, i64 %idx.ext
%cmp3.i = icmp eq i32 %n, 0
br i1 %cmp3.i, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %for.body.i
for.body.i: ; preds = %entry, %for.body.i
%__init.addr.05.i = phi i32 [ %add.i, %for.body.i ], [ 0, %entry ]
%__first.addr.04.i = phi i32* [ %incdec.ptr.i, %for.body.i ], [ %A, %entry ]
%0 = load i32, i32* %__first.addr.04.i, align 4
%q1 = extractelement <2 x i32> %q, i32 %n
%q2 = add nsw i32 %0, %q1
%add.i = add nsw i32 %q2, %__init.addr.05.i
%incdec.ptr.i = getelementptr inbounds i32, i32* %__first.addr.04.i, i64 1
%cmp.i = icmp eq i32* %incdec.ptr.i, %add.ptr
br i1 %cmp.i, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %for.body.i
_ZSt10accumulateIPiiET0_T_S2_S1_.exit: ; preds = %for.body.i, %entry
%__init.addr.0.lcssa.i = phi i32 [ 0, %entry ], [ %add.i, %for.body.i ]
ret i32 %__init.addr.0.lcssa.i
}
attributes #0 = { nounwind readonly ssp uwtable }
|