File: unreachable.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (33 lines) | stat: -rw-r--r-- 716 bytes parent folder | download | duplicates (11) 
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
 
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -asm-verbose=false -fast-isel -fast-isel-abort=1 -verify-machineinstrs | FileCheck %s

; Test that LLVM unreachable instruction and trap intrinsic are lowered to
; wasm unreachable

target triple = "wasm32-unknown-unknown"

declare void @llvm.trap()
declare void @llvm.debugtrap()
declare void @abort()

; CHECK-LABEL: f1:
; CHECK: call abort{{$}}
; CHECK: unreachable
define i32 @f1() {
  call void @abort()
  unreachable
}

; CHECK-LABEL: f2:
; CHECK: unreachable
define void @f2() {
  call void @llvm.trap()
  ret void
}

; CHECK-LABEL: f3:
; CHECK: unreachable
define void @f3() {
  call void @llvm.debugtrap()
  ret void
}