File: catchret.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (42 lines) | stat: -rwxr-xr-x 1,009 bytes parent folder | download | duplicates (7)
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
; RUN: opt < %s -loop-rotate -S | FileCheck %s
; RUN: opt < %s -loop-rotate -enable-mssa-loop-dependency=true -verify-memoryssa -S | FileCheck %s

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

declare void @always_throws()

define i32 @test() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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 [i8* null, i32 64, i8* 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(...)