File: 2008-01-14-VarArgTrampoline.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (24 lines) | stat: -rw-r--r-- 1,046 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: opt < %s -passes=instcombine -S | grep zeroext

	%struct.FRAME.nest = type { i32, ptr }
	%struct.__builtin_trampoline = type { [10 x i8] }

declare void @llvm.init.trampoline(ptr, ptr, ptr) nounwind 
declare ptr @llvm.adjust.trampoline(ptr) nounwind

declare i32 @f(ptr nest , ...)

define i32 @nest(i32 %n) {
entry:
	%FRAME.0 = alloca %struct.FRAME.nest, align 8		; <ptr> [#uses=3]
	%TRAMP.216 = alloca [10 x i8], align 16		; <ptr> [#uses=1]
	%TRAMP.216.sub = getelementptr [10 x i8], ptr %TRAMP.216, i32 0, i32 0		; <ptr> [#uses=1]
	%tmp3 = getelementptr %struct.FRAME.nest, ptr %FRAME.0, i32 0, i32 0		; <ptr> [#uses=1]
	store i32 %n, ptr %tmp3, align 8
	call void @llvm.init.trampoline( ptr %TRAMP.216.sub, ptr @f, ptr %FRAME.0 )		; <ptr> [#uses=1]
        %tramp = call ptr @llvm.adjust.trampoline( ptr %TRAMP.216.sub)
	%tmp7 = getelementptr %struct.FRAME.nest, ptr %FRAME.0, i32 0, i32 1		; <ptr> [#uses=1]
	store ptr %tramp, ptr %tmp7, align 8
	%tmp2.i = call i32 (...) %tramp( i32 zeroext 0 )		; <i32> [#uses=1]
	ret i32 %tmp2.i
}