21 lines
570 B
LLVM
21 lines
570 B
LLVM
; RUN: opt < %s -memcpyopt -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
|
|
|
|
; CHECK-LABEL: @foo(
|
|
; CHECK-NOT: store
|
|
; CHECK: call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 8, i32 2, i1 false)
|
|
|
|
define void @foo(i64* nocapture %P) {
|
|
entry:
|
|
%0 = bitcast i64* %P to i16*
|
|
%arrayidx = getelementptr inbounds i16, i16* %0, i64 1
|
|
%1 = bitcast i16* %arrayidx to i32*
|
|
%arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3
|
|
store i16 0, i16* %0, align 2
|
|
store i32 0, i32* %1, align 4
|
|
store i16 0, i16* %arrayidx1, align 2
|
|
ret void
|
|
}
|
|
|