You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
714 B
20 lines
714 B
; RUN: opt -memcpyopt -S < %s | FileCheck %s
|
|
|
|
@cst = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
|
|
declare void @foo(i32*) nounwind
|
|
|
|
define void @test1() nounwind {
|
|
%arr = alloca [3 x i32], align 4
|
|
%arr_i8 = bitcast [3 x i32]* %arr to i8*
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arr_i8, i8* bitcast ([3 x i32]* @cst to i8*), i64 12, i32 4, i1 false)
|
|
%arraydecay = getelementptr inbounds [3 x i32], [3 x i32]* %arr, i64 0, i64 0
|
|
call void @foo(i32* %arraydecay) nounwind
|
|
ret void
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK: call void @llvm.memset
|
|
; CHECK-NOT: call void @llvm.memcpy
|
|
; CHECK: ret void
|
|
}
|