File: unreachable.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (34 lines) | stat: -rw-r--r-- 785 bytes parent folder | download
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
; 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 datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown-wasm"

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

; CHECK-LABEL: f1:
; CHECK: call abort@FUNCTION{{$}}
; 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
}