xref: /aosp_15_r20/external/llvm/test/CodeGen/Hexagon/builtin-prefetch.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1; RUN: llc -march=hexagon < %s | FileCheck %s
2; CHECK: dcfetch
3; CHECK: dcfetch{{.*}}#8
4target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
5target triple = "hexagon"
6
7; Function Attrs: nounwind
8define zeroext i8 @foo(i8* %addr) #0 {
9entry:
10  %addr.addr = alloca i8*, align 4
11  store i8* %addr, i8** %addr.addr, align 4
12  %0 = load i8*, i8** %addr.addr, align 4
13  call void @llvm.prefetch(i8* %0, i32 0, i32 3, i32 1)
14  %1 = load i8*, i8** %addr.addr, align 4
15  %2 = bitcast i8* %1 to i32*
16  %3 = load i32, i32* %2, align 4
17  %4 = add i32 %3, 8
18  %5 = inttoptr i32 %4 to i8*
19  call void @llvm.hexagon.prefetch(i8* %5)
20  %6 = load i8, i8* %5
21  ret i8 %6
22}
23
24; Function Attrs: nounwind
25declare void @llvm.prefetch(i8* nocapture, i32, i32, i32) #1
26declare void @llvm.hexagon.prefetch(i8* nocapture) #1
27
28attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
29attributes #1 = { nounwind }
30