File: musttail-thiscall.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • 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 (31 lines) | stat: -rw-r--r-- 1,106 bytes parent folder | download | duplicates (4)
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
; RUN: llc -mtriple=i686-- < %s | FileCheck %s
; RUN: llc -mtriple=i686-- -O0 < %s | FileCheck %s

; CHECK-LABEL: t1:
; CHECK: jmp {{_?}}t1_callee
define x86_thiscallcc void @t1(i8* %this) {
  %adj = getelementptr i8, i8* %this, i32 4
  musttail call x86_thiscallcc void @t1_callee(i8* %adj)
  ret void
}
declare x86_thiscallcc void @t1_callee(i8* %this)

; CHECK-LABEL: t2:
; CHECK: jmp {{_?}}t2_callee
define x86_thiscallcc i32 @t2(i8* %this, i32 %a) {
  %adj = getelementptr i8, i8* %this, i32 4
  %rv = musttail call x86_thiscallcc i32 @t2_callee(i8* %adj, i32 %a)
  ret i32 %rv
}
declare x86_thiscallcc i32 @t2_callee(i8* %this, i32 %a)

; CHECK-LABEL: t3:
; CHECK: jmp {{_?}}t3_callee
define x86_thiscallcc i8* @t3(i8* %this, <{ i8*, i32 }>* inalloca %args) {
  %adj = getelementptr i8, i8* %this, i32 4
  %a_ptr = getelementptr <{ i8*, i32 }>, <{ i8*, i32 }>* %args, i32 0, i32 1
  store i32 0, i32* %a_ptr
  %rv = musttail call x86_thiscallcc i8* @t3_callee(i8* %adj, <{ i8*, i32 }>* inalloca %args)
  ret i8* %rv
}
declare x86_thiscallcc i8* @t3_callee(i8* %this, <{ i8*, i32 }>* inalloca %args);