forked from OSchip/llvm-project
19 lines
740 B
LLVM
19 lines
740 B
LLVM
; RUN: llc -mtriple=armv7-arm-none-eabi -o - %s | FileCheck %s
|
|
|
|
%struct.sMyType = type { i32 }
|
|
|
|
@val = hidden constant %struct.sMyType zeroinitializer, align 4
|
|
@v = internal global %struct.sMyType zeroinitializer, align 4
|
|
|
|
define hidden void @InitVal() local_unnamed_addr {
|
|
entry:
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct.sMyType* @v to i8*), i8* align 4 bitcast (%struct.sMyType* @val to i8*), i32 4, i1 true)
|
|
; The last argument is the isvolatile argument. This is a volatile memcpy.
|
|
; Test that the memcpy expansion does not optimize away the load.
|
|
; CHECK: ldr
|
|
; CHECK: str
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg)
|