1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=riscv32 -mattr=+xmipscbop -mattr=+m -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32XMIPSPREFETCH
; RUN: llc -mtriple=riscv64 -mattr=+xmipscbop -mattr=+m -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV64XMIPSPREFETCH
define void @prefetch_data_read(ptr noundef %ptr) nounwind {
; RV32XMIPSPREFETCH-LABEL: prefetch_data_read:
; RV32XMIPSPREFETCH: # %bb.0: # %entry
; RV32XMIPSPREFETCH-NEXT: mips.pref 8, 1(a0)
; RV32XMIPSPREFETCH-NEXT: ret
;
; RV64XMIPSPREFETCH-LABEL: prefetch_data_read:
; RV64XMIPSPREFETCH: # %bb.0: # %entry
; RV64XMIPSPREFETCH-NEXT: mips.pref 8, 1(a0)
; RV64XMIPSPREFETCH-NEXT: ret
entry:
%arrayidx = getelementptr inbounds nuw i8, ptr %ptr, i64 1
tail call void @llvm.prefetch.p0(ptr nonnull %arrayidx, i32 0, i32 0, i32 1)
ret void
}
define void @prefetch_data_write(ptr noundef %ptr) nounwind {
; RV32XMIPSPREFETCH-LABEL: prefetch_data_write:
; RV32XMIPSPREFETCH: # %bb.0:
; RV32XMIPSPREFETCH-NEXT: addi a0, a0, 512
; RV32XMIPSPREFETCH-NEXT: mips.pref 9, 0(a0)
; RV32XMIPSPREFETCH-NEXT: ret
;
; RV64XMIPSPREFETCH-LABEL: prefetch_data_write:
; RV64XMIPSPREFETCH: # %bb.0:
; RV64XMIPSPREFETCH-NEXT: addi a0, a0, 512
; RV64XMIPSPREFETCH-NEXT: mips.pref 9, 0(a0)
; RV64XMIPSPREFETCH-NEXT: ret
%arrayidx = getelementptr inbounds nuw i8, ptr %ptr, i64 512
tail call void @llvm.prefetch.p0(ptr nonnull %arrayidx, i32 1, i32 0, i32 1)
ret void
}
define void @prefetch_inst_read(ptr noundef %ptr) nounwind {
; RV32XMIPSPREFETCH-LABEL: prefetch_inst_read:
; RV32XMIPSPREFETCH: # %bb.0:
; RV32XMIPSPREFETCH-NEXT: ret
;
; RV64XMIPSPREFETCH-LABEL: prefetch_inst_read:
; RV64XMIPSPREFETCH: # %bb.0:
; RV64XMIPSPREFETCH-NEXT: ret
%arrayidx = getelementptr inbounds nuw i8, ptr %ptr, i64 512
tail call void @llvm.prefetch.p0(ptr nonnull %arrayidx, i32 0, i32 0, i32 0)
ret void
}
|