File: libcall.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (15 lines) | stat: -rw-r--r-- 607 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; A call to a libcall function is not a statepoint.
; This test verifies that calls to libcalls functions do not get converted to
; statepoint calls.
; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s
; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s

declare double @ldexp(double %x, i32 %n) nounwind readnone

define double @test_libcall(double %x) gc "statepoint-example" {
; CHECK-LABEL: test_libcall
; CHECK-NEXT: %res = call double @ldexp(double %x, i32 5)
; CHECK-NEXT: ret double %res
  %res = call double @ldexp(double %x, i32 5) nounwind readnone
  ret double %res
}