; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s ; Instcombine normally would fold the sdiv into the comparison, ; making "icmp slt i32 %h, 2", but in this case the sdiv has ; another use, so it wouldn't a big win, and it would also ; obfuscate an otherise obvious smax pattern to the point where ; other analyses wouldn't recognize it. define i32 @foo(i32 %h) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: [[SD:%.*]] = sdiv i32 [[H:%.*]], 2 ; CHECK-NEXT: [[T:%.*]] = icmp slt i32 [[SD]], 1 ; CHECK-NEXT: [[R:%.*]] = select i1 [[T]], i32 [[SD]], i32 1 ; CHECK-NEXT: ret i32 [[R]] ; %sd = sdiv i32 %h, 2 %t = icmp slt i32 %sd, 1 %r = select i1 %t, i32 %sd, i32 1 ret i32 %r } define i32 @bar(i32 %h) { ; CHECK-LABEL: @bar( ; CHECK-NEXT: [[SD:%.*]] = sdiv i32 [[H:%.*]], 2 ; CHECK-NEXT: [[T:%.*]] = icmp sgt i32 [[SD]], 1 ; CHECK-NEXT: [[R:%.*]] = select i1 [[T]], i32 [[SD]], i32 1 ; CHECK-NEXT: ret i32 [[R]] ; %sd = sdiv i32 %h, 2 %t = icmp sgt i32 %sd, 1 %r = select i1 %t, i32 %sd, i32 1 ret i32 %r }