File: catchswitch-crash.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (35 lines) | stat: -rw-r--r-- 1,217 bytes parent folder | download | duplicates (19)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=reg2mem -S < %s | FileCheck %s

declare void @"read_mem"()

define void @"memcpy_seh"() personality ptr @__C_specific_handler {
; CHECK-LABEL: @memcpy_seh(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    %"reg2mem alloca point" = bitcast i32 0 to i32
; CHECK-NEXT:    invoke void @read_mem()
; CHECK-NEXT:    to label [[CLEANUP:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
; CHECK:       catch.dispatch:
; CHECK-NEXT:    [[TMP0:%.*]] = catchswitch within none [label %__except] unwind to caller
; CHECK:       __except:
; CHECK-NEXT:    [[TMP1:%.*]] = catchpad within [[TMP0]] [ptr null]
; CHECK-NEXT:    unreachable
; CHECK:       cleanup:
; CHECK-NEXT:    ret void
;
entry:
  invoke void @"read_mem"()
  to label %cleanup unwind label %catch.dispatch

catch.dispatch:                                   ; preds = %entry
  %0 = catchswitch within none [label %__except] unwind to caller

__except:                                         ; preds = %catch.dispatch
  %1 = catchpad within %0 [ptr null]
  unreachable

cleanup:                                          ; preds = %entry
  ret void
}

declare i32 @__C_specific_handler(...)