blob: b2751fb6feb6636a9f5e739ae1ff01a174faf64d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
; RUN: opt -S -gvn-hoist < %s | FileCheck %s
%struct.__jmp_buf_tag = type { [8 x i64], i32 }
; Check that hoisting only happens when the expression is very busy.
; CHECK: store
; CHECK: store
@test_exit_buf = global %struct.__jmp_buf_tag zeroinitializer
@G = global i32 0
define void @test_command(i32 %c1) {
entry:
switch i32 %c1, label %exit [
i32 0, label %sw0
i32 1, label %sw1
]
sw0:
store i32 1, i32* @G
br label %exit
sw1:
store i32 1, i32* @G
br label %exit
exit:
call void @longjmp(%struct.__jmp_buf_tag* @test_exit_buf, i32 1) #0
unreachable
}
declare void @longjmp(%struct.__jmp_buf_tag*, i32) #0
attributes #0 = { noreturn nounwind }
|
