File: fp-clobbered-by-eh.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; 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 (27 lines) | stat: -rw-r--r-- 964 bytes parent folder | download | duplicates (6)
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
; RUN: not llc -mtriple=x86_64-unknown-unknown -stackrealign -verify-machineinstrs %s -o - 2>&1 | FileCheck %s

declare ghccc void @may_throw_or_crash()
declare i32 @_except_handler3(...)

define internal i64 @catchall_filt() {
  ret i64 1
}

; If the invoked function clobbers frame pointer and/or base pointer according
; to its calling convention, we can't handle it currently, so reports an error
; message.

; CHECK: <unknown>:0: error: Frame pointer clobbered by function invoke is not supported
; CHECK: <unknown>:0: error: Stack realignment in presence of dynamic allocas is not supported with this calling convention
define void @use_except_handler3() personality ptr @_except_handler3 {
entry:
  invoke ghccc void @may_throw_or_crash()
      to label %cont unwind label %lpad
cont:
  ret void
lpad:
  %cs = catchswitch within none [label %catch] unwind to caller
catch:
  %p = catchpad within %cs [ptr @catchall_filt]
  catchret from %p to label %cont
}