File: libcall.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 (15 lines) | stat: -rw-r--r-- 607 bytes parent folder | download | duplicates (15)
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
}