File: tailcall-calleesave.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (19 lines) | stat: -rw-r--r-- 559 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; RUN: llc -march=x86 -tailcallopt -mcpu=core < %s | FileCheck %s

target triple = "i686-apple-darwin"

declare fastcc void @foo(i32, i32, i32, i32, i32, i32)
declare i32* @bar(i32*)

define fastcc void @hoge(i32 %b) nounwind {
; Do not overwrite pushed callee-save registers
; CHECK: pushl
; CHECK: subl $[[SIZE:[0-9]+]], %esp
; CHECK-NOT: [[SIZE]](%esp)
  %a = alloca i32
  store i32 0, i32* %a
  %d = tail call i32* @bar(i32* %a) nounwind
  store i32 %b, i32* %d
  tail call fastcc void @foo(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6) nounwind
  ret void
}