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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-- -mattr=+sse | FileCheck %s --check-prefix=X86-SSE3; RUN: llc < %s -mtriple=i686-- -mattr=+avx | FileCheck %s --check-prefix=X86-SSE4; RUN: llc < %s -mtriple=i686-- -mattr=+sse,+prfchw | FileCheck %s -check-prefix=X86-PRFCHWSSE5; RUN: llc < %s -mtriple=i686-- -mattr=+prfchw | FileCheck %s -check-prefix=X86-PRFCHWSSE6; RUN: llc < %s -mtriple=i686-- -mcpu=slm | FileCheck %s -check-prefix=X86-PRFCHWSSE7; RUN: llc < %s -mtriple=i686-- -mcpu=btver2 | FileCheck %s -check-prefix=X86-PRFCHWSSE8; RUN: llc < %s -mtriple=i686-- -mcpu=btver2 -mattr=-prfchw | FileCheck %s -check-prefix=X86-SSE9; RUN: llc < %s -mtriple=i686-- -mattr=+prfchw | FileCheck %s -check-prefix=X86-PRFCHWSSE10 11; Rules:12; sse provides prefetch0/1/2/nta13; supporting prefetchw implicitly provides prefetcht0/1/2/nta as well, as we need something to fall back to for the non-write hint.14 15define void @t(ptr %ptr) nounwind {16; X86-SSE-LABEL: t:17; X86-SSE: # %bb.0: # %entry18; X86-SSE-NEXT: movl {{[0-9]+}}(%esp), %eax19; X86-SSE-NEXT: prefetcht2 (%eax)20; X86-SSE-NEXT: prefetcht1 (%eax)21; X86-SSE-NEXT: prefetcht0 (%eax)22; X86-SSE-NEXT: prefetchnta (%eax)23; X86-SSE-NEXT: prefetcht2 (%eax)24; X86-SSE-NEXT: prefetcht1 (%eax)25; X86-SSE-NEXT: prefetcht0 (%eax)26; X86-SSE-NEXT: prefetchnta (%eax)27; X86-SSE-NEXT: retl28;29; X86-PRFCHWSSE-LABEL: t:30; X86-PRFCHWSSE: # %bb.0: # %entry31; X86-PRFCHWSSE-NEXT: movl {{[0-9]+}}(%esp), %eax32; X86-PRFCHWSSE-NEXT: prefetcht2 (%eax)33; X86-PRFCHWSSE-NEXT: prefetcht1 (%eax)34; X86-PRFCHWSSE-NEXT: prefetcht0 (%eax)35; X86-PRFCHWSSE-NEXT: prefetchnta (%eax)36; X86-PRFCHWSSE-NEXT: prefetchw (%eax)37; X86-PRFCHWSSE-NEXT: prefetchw (%eax)38; X86-PRFCHWSSE-NEXT: prefetchw (%eax)39; X86-PRFCHWSSE-NEXT: prefetchw (%eax)40; X86-PRFCHWSSE-NEXT: retl41 42entry:43 tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 1, i32 1 )44 tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 2, i32 1 )45 tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 3, i32 1 )46 tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 0, i32 1 )47 tail call void @llvm.prefetch( ptr %ptr, i32 1, i32 1, i32 1 )48 tail call void @llvm.prefetch( ptr %ptr, i32 1, i32 2, i32 1 )49 tail call void @llvm.prefetch( ptr %ptr, i32 1, i32 3, i32 1 )50 tail call void @llvm.prefetch( ptr %ptr, i32 1, i32 0, i32 1 )51 ret void52}53 54declare void @llvm.prefetch(ptr, i32, i32, i32) nounwind55