================
@@ -0,0 +1,40 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; 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 dso_local void @prefetch_read(ptr noundef %a) {
+; RV32XMIPSPREFETCH-LABEL: prefetch_read:
+; RV32XMIPSPREFETCH: mips.perf 8, 511(a0)
+;
+; RV64XMIPSPREFETCH-LABEL: prefetch_read:
+; RV64XMIPSPREFETCH: mips.perf 8, 511(a0)
+entry:
+ %a.addr = alloca ptr, align 8
+ store ptr %a, ptr %a.addr, align 8
+ %0 = load ptr, ptr %a.addr, align 8
+ %arrayidx = getelementptr inbounds i8, ptr %0, i64 511
+ call void @llvm.prefetch.p0(ptr %arrayidx, i32 0, i32 0, i32 1)
+ ret void
+}
+
+declare void @llvm.prefetch.p0(ptr readonly captures(none), i32 immarg, i32
immarg, i32 immarg)
----------------
mshockwave wrote:
declaring intrinsics is no longer mandatory, so you can remove this line.
https://github.com/llvm/llvm-project/pull/145647
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