File: wineh-setjmp.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (75 lines) | stat: -rw-r--r-- 3,238 bytes parent folder | download | duplicates (18)
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
; RUN: opt -mtriple=i686-pc-windows-msvc -S -x86-winehstate  < %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"

@jb = external global i8

define i32 @test1() personality i32 (...)* @__CxxFrameHandler3 {
entry:
; CHECK-LABEL: define i32 @test1(
; CHECK: %[[eh_reg:.*]] = alloca
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 2
; CHECK: store i32 -1, i32* %[[gep]]
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 2
; CHECK: store i32 0, i32* %[[gep]]
; CHECK: %[[lsda:.*]] = call i8* @llvm.x86.seh.lsda(i8* bitcast (i32 ()* @test1 to i8*))
; CHECK: invoke i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 3, void (i8*)* @__CxxLongjmpUnwind, i32 0, i8* %[[lsda]])
  %inv = invoke i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 0) #2
          to label %invoke.cont unwind label %ehcleanup

invoke.cont:
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 2
; CHECK: store i32 -1, i32* %[[gep]]
; CHECK: %[[lsda:.*]] = call i8* @llvm.x86.seh.lsda(i8* bitcast (i32 ()* @test1 to i8*))
; CHECK: call i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 3, void (i8*)* @__CxxLongjmpUnwind, i32 -1, i8* %[[lsda]])
  call i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 0)
  call void @cleanup()
  ret i32 %inv

ehcleanup:
  %cp = cleanuppad within none []
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 2
; CHECK: %[[load:.*]] = load i32, i32* %[[gep]]
; CHECK: %[[lsda:.*]] = call i8* @llvm.x86.seh.lsda(i8* bitcast (i32 ()* @test1 to i8*))
; CHECK: call i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 3, void (i8*)* @__CxxLongjmpUnwind, i32 %[[load]], i8* %[[lsda]]) [ "funclet"(token %cp) ]
  %cal = call i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 0) [ "funclet"(token %cp) ]
  call void @cleanup() [ "funclet"(token %cp) ]
  cleanupret from %cp unwind to caller
}

define i32 @test2() personality i32 (...)* @_except_handler3 {
entry:
; CHECK-LABEL: define i32 @test2(
; CHECK: %[[eh_reg:.*]] = alloca
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 4
; CHECK: store i32 -1, i32* %[[gep]]
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 4
; CHECK: store i32 0, i32* %[[gep]]
; CHECK: invoke i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 2, void (i8*)* @_seh_longjmp_unwind, i32 0)
  %inv = invoke i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 0) #2
          to label %invoke.cont unwind label %ehcleanup

invoke.cont:
; CHECK: %[[gep:.*]] = getelementptr inbounds {{.*}}, {{.*}} %[[eh_reg]], i32 0, i32 4
; CHECK: store i32 -1, i32* %[[gep]]
; CHECK: call i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 2, void (i8*)* @_seh_longjmp_unwind, i32 -1)
  call i32 (i8*, i32, ...) @_setjmp3(i8* @jb, i32 0)
  call void @cleanup()
  ret i32 %inv

ehcleanup:
  %cp = cleanuppad within none []
  call void @cleanup() [ "funclet"(token %cp) ]
  cleanupret from %cp unwind to caller
}

; Function Attrs: returns_twice
declare i32 @_setjmp3(i8*, i32, ...) #2

declare i32 @__CxxFrameHandler3(...)

declare i32 @_except_handler3(...)

declare void @cleanup()

attributes #2 = { returns_twice }