1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt %s -instcombine -S | FileCheck %s
4 define i32 @sharpening(i32 %b340, i1 %c, i1 %d, i32 %e, i32 %f, i32 %g, i32 %h) {
5 ; CHECK-LABEL: @sharpening(
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]]
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