1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -instcombine -S | FileCheck %s
3
4define i32 @sharpening(i32 %b340, i1 %c, i1 %d, i32 %e, i32 %f, i32 %g, i32 %h) {
5; CHECK-LABEL: @sharpening(
6; CHECK-NEXT:  entry:
7; CHECK-NEXT:    [[SMAX58:%.*]] = select i1 [[C:%.*]], i32 [[E:%.*]], i32 [[F:%.*]]
8; CHECK-NEXT:    [[SMAX59:%.*]] = select i1 [[D:%.*]], i32 [[G:%.*]], i32 [[H:%.*]]
9; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[SMAX59]], 1
10; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i32 [[TMP0]], -1
11; CHECK-NEXT:    [[TMP12:%.*]] = select i1 [[TMP1]], i32 [[TMP0]], i32 -1
12; CHECK-NEXT:    [[TMP13:%.*]] = icmp sgt i32 [[SMAX58]], [[TMP12]]
13; CHECK-NEXT:    [[SMAX61:%.*]] = select i1 [[TMP13]], i32 [[SMAX58]], i32 [[TMP12]]
14; CHECK-NEXT:    [[TMP14:%.*]] = xor i32 [[SMAX61]], -1
15; CHECK-NEXT:    ret i32 [[TMP14]]
16;
17entry:
18  %smax58 = select i1 %c, i32 %e, i32 %f
19  %smax59 = select i1 %d, i32 %g, i32 %h
20  %tmp10 = sub i32 -2, %smax59
21  %tmp11 = icmp sgt i32 %tmp10, 0
22  %smax60 = select i1 %tmp11, i32 %tmp10, i32 0
23  %tmp12 = xor i32 %smax60, -1
24  %tmp13 = icmp sgt i32 %smax58, %tmp12
25  %smax61 = select i1 %tmp13, i32 %smax58, i32 %tmp12
26  %tmp14 = xor i32 %smax61, -1
27  ret i32 %tmp14
28}
29