File: catchret.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 (41 lines) | stat: -rw-r--r-- 907 bytes parent folder | download | duplicates (14) 
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
 
; RUN: opt < %s -passes=loop-rotate -verify-memoryssa -S | FileCheck %s

target triple = "x86_64-pc-windows-msvc"

declare void @always_throws()

define i32 @test() personality ptr @__CxxFrameHandler3 {
entry:
  invoke void @always_throws()
          to label %continue unwind label %catch.dispatch

continue:
  unreachable

catch.dispatch:
  %t0 = catchswitch within none [label %catch] unwind to caller

catch:
  %t1 = catchpad within %t0 [ptr null, i32 64, ptr null]
  catchret from %t1 to label %for.cond

for.cond:
  %sum = phi i32 [ %add, %for.body ], [ 0, %catch ]
  %i = phi i32 [ %inc, %for.body ], [ 0, %catch ]
  %cmp = icmp slt i32 %i, 1
  br i1 %cmp, label %for.body, label %return

for.body:
  %add = add nsw i32 1, %sum
  %inc = add nsw i32 %i, 1
  br label %for.cond

return:
  ret i32 0
}

; CHECK: catch:
; CHECK-NEXT: catchpad
; CHECK-NEXT: catchret

declare i32 @__CxxFrameHandler3(...)