mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-04 22:07:27 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.5 KiB
LLVM
39 lines
1.5 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis > %t1.ll
|
|
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
|
|
; RUN: diff %t1.ll %t2.ll
|
|
|
|
; Demonstrate all of the variable argument handling intrinsic functions plus
|
|
; the va_arg instruction.
|
|
|
|
declare void @llvm.va_start(i8*)
|
|
|
|
declare void @llvm.va_copy(i8*, i8*)
|
|
|
|
declare void @llvm.va_end(i8*)
|
|
|
|
define i32 @test(i32 %X, ...) {
|
|
; Allocate two va_list items. On this target, va_list is of type sbyte*
|
|
%ap = alloca i8* ; <i8**> [#uses=4]
|
|
%aq = alloca i8* ; <i8**> [#uses=2]
|
|
|
|
; Initialize variable argument processing
|
|
%va.upgrd.1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
|
|
call void @llvm.va_start( i8* %va.upgrd.1 )
|
|
|
|
; Read a single integer argument
|
|
%tmp = va_arg i8** %ap, i32 ; <i32> [#uses=1]
|
|
|
|
; Demonstrate usage of llvm.va_copy and llvm_va_end
|
|
%apv = load i8*, i8** %ap ; <i8*> [#uses=1]
|
|
%va0.upgrd.2 = bitcast i8** %aq to i8* ; <i8*> [#uses=1]
|
|
%va1.upgrd.3 = bitcast i8* %apv to i8* ; <i8*> [#uses=1]
|
|
call void @llvm.va_copy( i8* %va0.upgrd.2, i8* %va1.upgrd.3 )
|
|
%va.upgrd.4 = bitcast i8** %aq to i8* ; <i8*> [#uses=1]
|
|
call void @llvm.va_end( i8* %va.upgrd.4 )
|
|
|
|
; Stop processing of arguments.
|
|
%va.upgrd.5 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
|
|
call void @llvm.va_end( i8* %va.upgrd.5 )
|
|
ret i32 %tmp
|
|
}
|