1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -O2 -S < %s -enable-new-pm=0 | FileCheck %s
3; RUN: opt -passes='default<O2>' -S < %s | FileCheck %s
4
5define i64 @PR36760(i64 %a) {
6; CHECK-LABEL: @PR36760(
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    [[TMP0:%.*]] = icmp sgt i64 [[A:%.*]], 0
9; CHECK-NEXT:    [[DOTA:%.*]] = select i1 [[TMP0]], i64 [[A]], i64 0
10; CHECK-NEXT:    ret i64 [[DOTA]]
11;
12entry:
13  %retval = alloca i64, align 8
14  %a.addr = alloca i64, align 8
15  store i64 %a, i64* %a.addr, align 8
16  %0 = load i64, i64* %a.addr, align 8
17  %cmp = icmp slt i64 %0, 0
18  br i1 %cmp, label %if.then, label %if.end
19
20if.then:
21  store i64 0, i64* %retval, align 8
22  br label %return
23
24if.end:
25  %1 = load i64, i64* %a.addr, align 8
26  %shr = ashr i64 %1, 63
27  %2 = load i64, i64* %a.addr, align 8
28  %xor = xor i64 %shr, %2
29  store i64 %xor, i64* %retval, align 8
30  br label %return
31
32return:
33  %3 = load i64, i64* %retval, align 8
34  ret i64 %3
35}
36
37define i64 @PR36760_2(i64 %a) #0 {
38; CHECK-LABEL: @PR36760_2(
39; CHECK-NEXT:  entry:
40; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i64 [[A:%.*]], -1
41; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[TMP0]], i64 [[A]], i64 -1
42; CHECK-NEXT:    [[RETVAL_0:%.*]] = xor i64 [[TMP1]], -1
43; CHECK-NEXT:    ret i64 [[RETVAL_0]]
44;
45entry:
46  %retval = alloca i64, align 8
47  %a.addr = alloca i64, align 8
48  store i64 %a, i64* %a.addr, align 8
49  %0 = load i64, i64* %a.addr, align 8
50  %cmp = icmp sge i64 %0, 0
51  br i1 %cmp, label %if.then, label %if.end
52
53if.then:                                          ; preds = %entry
54  store i64 0, i64* %retval, align 8
55  br label %return
56
57if.end:                                           ; preds = %entry
58  %1 = load i64, i64* %a.addr, align 8
59  %shr = ashr i64 %1, 63
60  %2 = load i64, i64* %a.addr, align 8
61  %xor = xor i64 %shr, %2
62  store i64 %xor, i64* %retval, align 8
63  br label %return
64
65return:                                           ; preds = %if.end, %if.then
66  %3 = load i64, i64* %retval, align 8
67  ret i64 %3
68}
69