1; RUN: llc -march=hexagon -debug-only=isel < %s 2>&1 | FileCheck %s
2; REQUIRES: asserts
3
4; Check that we generate 'cmpb.gtu' instruction for a byte comparision
5; The "Optimized Lowered Selection" converts the "ugt with #40" to
6; "ult with #41". The immediate value should be decremented to #40
7; with the selected cmpb.gtu pattern
8; CHECK: setcc{{.*}}41{{.*}}setult
9; CHECK: A4_cmpbgtui{{.*}}40
10
11@glob = common global i8 0, align 1
12
13define i32 @cmpgtudec(i32 %a0, i32 %a1) #0 {
14b2:
15  %v3 = xor i32 %a1, %a0
16  %v4 = and i32 %v3, 255
17  %v5 = icmp ugt i32 %v4, 40
18  br i1 %v5, label %b6, label %b8
19
20b6:                                               ; preds = %b2
21  %v7 = trunc i32 %a0 to i8
22  store i8 %v7, i8* @glob, align 1
23  br label %b8
24
25b8:                                               ; preds = %b6, %b2
26  %v9 = phi i32 [ 1, %b6 ], [ 0, %b2 ]
27  ret i32 %v9
28}
29
30attributes #0 = { nounwind }
31