1
; RUN: opt < %s -instcombine -S | FileCheck %s
3
; Instcombine normally would fold the sdiv into the comparison,
4
; making "icmp slt i32 %h, 2", but in this case the sdiv has
5
; another use, so it wouldn't a big win, and it would also
6
; obfuscate an otherise obvious smax pattern to the point where
7
; other analyses wouldn't recognize it.
9
define i32 @foo(i32 %h) {
11
%t = icmp slt i32 %sd, 1
12
%r = select i1 %t, i32 %sd, i32 1
16
; CHECK: %sd = sdiv i32 %h, 2
17
; CHECK: %t = icmp slt i32 %sd, 1
18
; CHECK: %r = select i1 %t, i32 %sd, i32 1
21
define i32 @bar(i32 %h) {
23
%t = icmp sgt i32 %sd, 1
24
%r = select i1 %t, i32 %sd, i32 1
28
; CHECK: %sd = sdiv i32 %h, 2
29
; CHECK: %t = icmp sgt i32 %sd, 1
30
; CHECK: %r = select i1 %t, i32 %sd, i32 1