116 lines
5.7 KiB
LLVM
116 lines
5.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -memcpyopt -dce -S | FileCheck %s
|
|
|
|
; Negative test
|
|
; Check this test is not transformed into memset, or cause a compiler warning
|
|
; warning: Compiler has made implicit assumption that TypeSize is not scalable. This may or may not lead to broken code.
|
|
|
|
define void @foo(i8* %p) {
|
|
; CHECK-LABEL: @foo(
|
|
; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[P:%.*]] to <vscale x 16 x i8>*
|
|
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* [[A]], i64 0
|
|
; CHECK-NEXT: store <vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8>* [[TMP0]]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* [[A]], i64 1
|
|
; CHECK-NEXT: store <vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8>* [[TMP1]]
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%a = bitcast i8* %p to <vscale x 16 x i8>*
|
|
%tmp0 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i64 0
|
|
store <vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8>* %tmp0
|
|
%tmp1 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i64 1
|
|
store <vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8>* %tmp1
|
|
ret void
|
|
}
|
|
|
|
; Positive test
|
|
|
|
define void @memset_vscale_index_zero(i8* %p, i8 %z) {
|
|
; CHECK-LABEL: @memset_vscale_index_zero(
|
|
; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[P:%.*]] to <vscale x 16 x i8>*
|
|
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* [[A]], i32 0, i32 0
|
|
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP0]], i8 [[Z:%.*]], i64 17, i1 false)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%a = bitcast i8* %p to <vscale x 16 x i8>*
|
|
%tmp0 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 0
|
|
store i8 %z, i8* %tmp0
|
|
%tmp1 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 1
|
|
store i8 %z, i8* %tmp1
|
|
%tmp2 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 2
|
|
store i8 %z, i8* %tmp2
|
|
%tmp3 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 3
|
|
store i8 %z, i8* %tmp3
|
|
%tmp4 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 4
|
|
store i8 %z, i8* %tmp4
|
|
%tmp5 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 5
|
|
store i8 %z, i8* %tmp5
|
|
%tmp6 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 6
|
|
store i8 %z, i8* %tmp6
|
|
%tmp7 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 7
|
|
store i8 %z, i8* %tmp7
|
|
%tmp8 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 8
|
|
store i8 %z, i8* %tmp8
|
|
%tmp9 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 9
|
|
store i8 %z, i8* %tmp9
|
|
%tmp10 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 10
|
|
store i8 %z, i8* %tmp10
|
|
%tmp11 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 11
|
|
store i8 %z, i8* %tmp11
|
|
%tmp12 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 12
|
|
store i8 %z, i8* %tmp12
|
|
%tmp13 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 13
|
|
store i8 %z, i8* %tmp13
|
|
%tmp14 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 14
|
|
store i8 %z, i8* %tmp14
|
|
%tmp15 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 15
|
|
store i8 %z, i8* %tmp15
|
|
%tmp16 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 0, i32 16
|
|
store i8 %z, i8* %tmp16
|
|
ret void
|
|
}
|
|
|
|
define void @memset_vscale_index_nonzero(i8* %p, i8 %z) {
|
|
; CHECK-LABEL: @memset_vscale_index_nonzero(
|
|
; CHECK-NEXT: [[A:%.*]] = bitcast i8* [[P:%.*]] to <vscale x 16 x i8>*
|
|
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* [[A]], i32 1, i32 0
|
|
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP0]], i8 [[Z:%.*]], i64 17, i1 false)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
%a = bitcast i8* %p to <vscale x 16 x i8>*
|
|
%tmp0 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 0
|
|
store i8 %z, i8* %tmp0
|
|
%tmp1 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 1
|
|
store i8 %z, i8* %tmp1
|
|
%tmp2 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 2
|
|
store i8 %z, i8* %tmp2
|
|
%tmp3 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 3
|
|
store i8 %z, i8* %tmp3
|
|
%tmp4 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 4
|
|
store i8 %z, i8* %tmp4
|
|
%tmp5 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 5
|
|
store i8 %z, i8* %tmp5
|
|
%tmp6 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 6
|
|
store i8 %z, i8* %tmp6
|
|
%tmp7 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 7
|
|
store i8 %z, i8* %tmp7
|
|
%tmp8 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 8
|
|
store i8 %z, i8* %tmp8
|
|
%tmp9 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 9
|
|
store i8 %z, i8* %tmp9
|
|
%tmp10 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 10
|
|
store i8 %z, i8* %tmp10
|
|
%tmp11 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 11
|
|
store i8 %z, i8* %tmp11
|
|
%tmp12 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 12
|
|
store i8 %z, i8* %tmp12
|
|
%tmp13 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 13
|
|
store i8 %z, i8* %tmp13
|
|
%tmp14 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 14
|
|
store i8 %z, i8* %tmp14
|
|
%tmp15 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 15
|
|
store i8 %z, i8* %tmp15
|
|
%tmp16 = getelementptr <vscale x 16 x i8>, <vscale x 16 x i8>* %a, i32 1, i32 16
|
|
store i8 %z, i8* %tmp16
|
|
ret void
|
|
}
|