File: lowerinvoke.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (26 lines) | stat: -rw-r--r-- 731 bytes parent folder | download | duplicates (5) 
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
 
; RUN: opt < %s -passes=lowerinvoke -S | FileCheck %s
; RUN: opt < %s -passes='lowerinvoke' -S | FileCheck %s

declare i32 @external_func(i64 %arg)

define i32 @invoke_test(i64 %arg) personality ptr null {
entry:
  %result = invoke fastcc i32 @external_func(i64 inreg %arg)
      to label %cont unwind label %lpad
cont:
  ret i32 %result
lpad:
  %phi = phi i32 [ 99, %entry ]
  %lp = landingpad { ptr, i32 } cleanup
  ret i32 %phi
}

; The "invoke" should be converted to a "call".
; CHECK-LABEL: define i32 @invoke_test
; CHECK: %result = call fastcc i32 @external_func(i64 inreg %arg)
; CHECK-NEXT: br label %cont

; Note that this pass does not remove dead landingpad blocks.
; CHECK: lpad:
; CHECK-NOT: phi
; CHECK: landingpad