forked from OSchip/llvm-project
21 lines
564 B
LLVM
21 lines
564 B
LLVM
; RUN: llc < %s -mtriple=i686-unknown-linux -O2 | FileCheck %s
|
|
|
|
; This tests the i686 lowering of mempcpy.
|
|
; Also see mempcpy.ll
|
|
|
|
@G = common global i8* null, align 8
|
|
|
|
; CHECK-LABEL: RET_MEMPCPY:
|
|
; CHECK: movl [[REG:%e[a-z0-9]+]], {{.*}}G
|
|
; CHECK: calll {{.*}}memcpy
|
|
; CHECK: movl [[REG]], %eax
|
|
;
|
|
define i8* @RET_MEMPCPY(i8* %DST, i8* %SRC, i32 %N) {
|
|
%add.ptr = getelementptr inbounds i8, i8* %DST, i32 %N
|
|
store i8* %add.ptr, i8** @G, align 8
|
|
%call = tail call i8* @mempcpy(i8* %DST, i8* %SRC, i32 %N)
|
|
ret i8* %call
|
|
}
|
|
|
|
declare i8* @mempcpy(i8*, i8*, i32)
|