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
35
36
37
38
39
40
41
42
43
44
|
; RUN: opt -passes=newgvn -S < %s | FileCheck %s
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i686-pc-windows-msvc"
%eh.ThrowInfo = type { i32, ptr, ptr, ptr }
%struct.A = type { ptr }
@"_TI1?AUA@@" = external constant %eh.ThrowInfo
define i8 @f() personality ptr @__CxxFrameHandler3 {
entry:
%b = alloca i8
%c = alloca i8
store i8 42, ptr %b
store i8 13, ptr %c
invoke void @_CxxThrowException(ptr %b, ptr nonnull @"_TI1?AUA@@")
to label %unreachable unwind label %catch.dispatch
catch.dispatch: ; preds = %entry
%cs1 = catchswitch within none [label %catch] unwind to caller
catch: ; preds = %catch.dispatch
%catchpad = catchpad within %cs1 [ptr null, i32 64, ptr null]
store i8 5, ptr %b
catchret from %catchpad to label %try.cont
try.cont: ; preds = %catch
%load_b = load i8, ptr %b
%load_c = load i8, ptr %c
%add = add i8 %load_b, %load_c
ret i8 %add
unreachable: ; preds = %entry
unreachable
}
; CHECK-LABEL: define i8 @f(
; CHECK: %[[load_b:.*]] = load i8, ptr %b
; CHECK-NEXT: %[[load_c:.*]] = load i8, ptr %c
; CHECK-NEXT: %[[add:.*]] = add i8 %[[load_b]], %[[load_c]]
; CHECK-NEXT: ret i8 %[[add]]
declare i32 @__CxxFrameHandler3(...)
declare x86_stdcallcc void @_CxxThrowException(ptr, ptr)
|
