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
35
36
37
38
39
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -enable-if-conversion -dce -instcombine -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"
;CHECK-LABEL: @foo(
;CHECK: icmp eq <4 x i32>
;CHECK: select <4 x i1>
;CHECK: ret i32
define i32 @foo(i32 %x, i32 %t, i32* nocapture %A) nounwind uwtable ssp {
entry:
%cmp10 = icmp sgt i32 %x, 0
br i1 %cmp10, label %for.body, label %for.end
for.body: ; preds = %entry, %if.end
%indvars.iv = phi i64 [ %indvars.iv.next, %if.end ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%0 = load i32, i32* %arrayidx, align 4
%tobool = icmp eq i32 %0, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %for.body
%1 = add nsw i64 %indvars.iv, 45
%2 = trunc i64 %indvars.iv to i32
%mul = mul nsw i32 %2, %t
%3 = trunc i64 %1 to i32
%add1 = add nsw i32 %3, %mul
br label %if.end
if.end: ; preds = %for.body, %if.then
%z.0 = phi i32 [ %add1, %if.then ], [ 9, %for.body ]
store i32 %z.0, i32* %arrayidx, align 4
%indvars.iv.next = add nsw i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp eq i32 %lftr.wideiv, %x
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %if.end, %entry
ret i32 undef
}
|