1; RUN: opt -ipsccp -S %s | FileCheck %s
2
3%struct.S = type { i32 }
4
5
6define void @main() {
7; CHECK-LABEL: void @main() {
8; CHECK-NEXT:    %r = call i32 @f(%struct.S { i32 100 })
9; CHECK-NEXT:    call void @do_report(i32 123)
10  %r = call i32 @f(%struct.S { i32 100 })
11  call void @do_report(i32 %r)
12  ret void
13}
14
15declare void @do_report(i32)
16
17define internal i32 @f(%struct.S %s.coerce) {
18; CHECK-LABEL: define internal i32 @f(%struct.S %s.coerce)
19; CHECK-LABEL: entry:
20; CHECK-NEXT:     %call = call i8 @lsh(i8 1, i32 100)
21; CHECK-LABEL: if.end:
22; CHECK-NEXT:     ret i32 undef
23entry:
24  %ev = extractvalue %struct.S %s.coerce, 0
25  %call = call i8 @lsh(i8 1, i32 %ev)
26  %tobool = icmp ne i8 %call, 0
27  br i1 %tobool, label %for.cond, label %if.end
28
29for.cond:                                         ; preds = %for.cond, %if.then
30  %i.0 = phi i32 [ 0, %entry], [ %inc, %for.cond ]
31  %cmp = icmp slt i32 %i.0, 1
32  %inc = add nsw i32 %i.0, 1
33  br i1 %cmp, label %for.cond, label %if.end
34
35if.end:                                           ; preds = %for.cond, %entry
36  ret i32 123
37}
38
39define internal i8 @lsh(i8 %l, i32 %r) {
40entry:
41  %conv = sext i8 %l to i32
42  %cmp = icmp slt i32 %conv, 0
43  %shr = ashr i32 127, %r
44  %cmp4 = icmp sgt i32 %conv, %shr
45  %or.cond13 = or i1 %cmp, %cmp4
46  %cond = select i1 %or.cond13, i32 %conv, i32 0
47  %conv7 = trunc i32 %cond to i8
48  ret i8 %conv7
49}
50