xref: /llvm-project/llvm/test/CodeGen/Hexagon/builtin-prefetch.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=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(ptr %addr) #0 {
9entry:
10  %addr.addr = alloca ptr, align 4
11  store ptr %addr, ptr %addr.addr, align 4
12  %0 = load ptr, ptr %addr.addr, align 4
13  call void @llvm.prefetch(ptr %0, i32 0, i32 3, i32 1)
14  %1 = load ptr, ptr %addr.addr, align 4
15  %2 = load i32, ptr %1, align 4
16  %3 = add i32 %2, 8
17  %4 = inttoptr i32 %3 to ptr
18  call void @llvm.hexagon.prefetch(ptr %4)
19  %5 = load i8, ptr %4
20  ret i8 %5
21}
22
23; Function Attrs: nounwind
24declare void @llvm.prefetch(ptr nocapture, i32, i32, i32) #1
25declare void @llvm.hexagon.prefetch(ptr nocapture) #1
26
27attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
28attributes #1 = { nounwind }
29