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
|
; RUN: opt -S -jump-threading < %s | FileCheck %s
; CHECK-LABEL: @f(
; CHECK-LABEL: entry:
; CHECK-NEXT: br label %[[loop:.*]]
; CHECK: [[loop]]:
; CHECK-NEXT: br label %[[loop]]
define void @f() {
entry:
br label %for.cond1
if.end16:
%phi1 = phi i32 [ undef, %for.cond1 ]
%g.3 = phi i32 [ %g.1, %for.cond1 ]
%sext = shl i32 %g.3, 16
%conv20 = ashr exact i32 %sext, 16
%tobool21 = icmp eq i32 %phi1, 0
br i1 %tobool21, label %lor.rhs, label %for.cond1
for.cond1:
%g.1 = phi i32 [ 0, %entry ], [ 0, %lor.rhs ], [ %g.3, %if.end16 ]
br i1 undef, label %lor.rhs, label %if.end16
lor.rhs:
br label %for.cond1
}
|
