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
| ; RUN: llc -mtriple=i686-windows-msvc < %s | FileCheck %s
; Mostly make sure that llvm.eh.recoverfp doesn't crash if the parent
; function lacks a personality.
declare i8* @llvm.frameaddress(i32)
declare i8* @llvm.eh.recoverfp(i8*, i8*)
define i32 @main() {
entry:
ret i32 0
}
define internal i32 @"filt$main"() {
entry:
%ebp = tail call i8* @llvm.frameaddress(i32 1)
%parentfp = tail call i8* @llvm.eh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %ebp)
%info.addr = getelementptr inbounds i8, i8* %ebp, i32 -20
%0 = bitcast i8* %info.addr to i32***
%1 = load i32**, i32*** %0, align 4
%2 = load i32*, i32** %1, align 4
%3 = load i32, i32* %2, align 4
%matches = icmp eq i32 %3, u0xC0000005
%r = zext i1 %matches to i32
ret i32 %r
}
; CHECK: _main:
; CHECK: xorl %eax, %eax
; CHECK: retl
; CHECK: _filt$main:
; CHECK: retl
|