1*9880d681SAndroid Build Coastguard Worker; Intel chips with slow unaligned memory accesses 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium3 2>&1 | FileCheck %s --check-prefix=SLOW 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium3m 2>&1 | FileCheck %s --check-prefix=SLOW 5*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium-m 2>&1 | FileCheck %s --check-prefix=SLOW 6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium4 2>&1 | FileCheck %s --check-prefix=SLOW 7*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=pentium4m 2>&1 | FileCheck %s --check-prefix=SLOW 8*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=yonah 2>&1 | FileCheck %s --check-prefix=SLOW 9*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=prescott 2>&1 | FileCheck %s --check-prefix=SLOW 10*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=nocona 2>&1 | FileCheck %s --check-prefix=SLOW 11*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=core2 2>&1 | FileCheck %s --check-prefix=SLOW 12*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=penryn 2>&1 | FileCheck %s --check-prefix=SLOW 13*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bonnell 2>&1 | FileCheck %s --check-prefix=SLOW 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Worker; Intel chips with fast unaligned memory accesses 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=FAST 18*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=nehalem 2>&1 | FileCheck %s --check-prefix=FAST 19*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=westmere 2>&1 | FileCheck %s --check-prefix=FAST 20*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=sandybridge 2>&1 | FileCheck %s --check-prefix=FAST 21*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=ivybridge 2>&1 | FileCheck %s --check-prefix=FAST 22*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=haswell 2>&1 | FileCheck %s --check-prefix=FAST 23*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=broadwell 2>&1 | FileCheck %s --check-prefix=FAST 24*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=knl 2>&1 | FileCheck %s --check-prefix=FAST 25*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=skylake-avx512 2>&1 | FileCheck %s --check-prefix=FAST 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Worker; AMD chips with slow unaligned memory accesses 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon-4 2>&1 | FileCheck %s --check-prefix=SLOW 30*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon-xp 2>&1 | FileCheck %s --check-prefix=SLOW 31*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=k8 2>&1 | FileCheck %s --check-prefix=SLOW 32*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=opteron 2>&1 | FileCheck %s --check-prefix=SLOW 33*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon64 2>&1 | FileCheck %s --check-prefix=SLOW 34*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon-fx 2>&1 | FileCheck %s --check-prefix=SLOW 35*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=k8-sse3 2>&1 | FileCheck %s --check-prefix=SLOW 36*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=opteron-sse3 2>&1 | FileCheck %s --check-prefix=SLOW 37*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=athlon64-sse3 2>&1 | FileCheck %s --check-prefix=SLOW 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker; AMD chips with fast unaligned memory accesses 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=amdfam10 2>&1 | FileCheck %s --check-prefix=FAST 42*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=barcelona 2>&1 | FileCheck %s --check-prefix=FAST 43*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=btver1 2>&1 | FileCheck %s --check-prefix=FAST 44*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=btver2 2>&1 | FileCheck %s --check-prefix=FAST 45*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver1 2>&1 | FileCheck %s --check-prefix=FAST 46*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver2 2>&1 | FileCheck %s --check-prefix=FAST 47*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver3 2>&1 | FileCheck %s --check-prefix=FAST 48*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=bdver4 2>&1 | FileCheck %s --check-prefix=FAST 49*9880d681SAndroid Build Coastguard Worker 50*9880d681SAndroid Build Coastguard Worker; Other chips with slow unaligned memory accesses 51*9880d681SAndroid Build Coastguard Worker 52*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=c3-2 2>&1 | FileCheck %s --check-prefix=SLOW 53*9880d681SAndroid Build Coastguard Worker 54*9880d681SAndroid Build Coastguard Worker; Verify that the slow/fast unaligned memory attribute is set correctly for each CPU model. 55*9880d681SAndroid Build Coastguard Worker; Slow chips use 4-byte stores. Fast chips with SSE or later use something other than 4-byte stores. 56*9880d681SAndroid Build Coastguard Worker; Chips that don't have SSE use 4-byte stores either way, so they're not tested. 57*9880d681SAndroid Build Coastguard Worker 58*9880d681SAndroid Build Coastguard Worker; Also verify that SSE4.2 or SSE4a imply fast unaligned accesses. 59*9880d681SAndroid Build Coastguard Worker 60*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse4.2 2>&1 | FileCheck %s --check-prefix=FAST 61*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse4a 2>&1 | FileCheck %s --check-prefix=FAST 62*9880d681SAndroid Build Coastguard Worker 63*9880d681SAndroid Build Coastguard Workerdefine void @store_zeros(i8* %a) { 64*9880d681SAndroid Build Coastguard Worker; SLOW-NOT: not a recognized processor 65*9880d681SAndroid Build Coastguard Worker; SLOW-LABEL: store_zeros: 66*9880d681SAndroid Build Coastguard Worker; SLOW: # BB#0: 67*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 68*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 69*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 70*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 71*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 72*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 73*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 74*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 75*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 76*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 77*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 78*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 79*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 80*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 81*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 82*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 83*9880d681SAndroid Build Coastguard Worker; SLOW-NEXT: movl 84*9880d681SAndroid Build Coastguard Worker; 85*9880d681SAndroid Build Coastguard Worker; FAST-NOT: not a recognized processor 86*9880d681SAndroid Build Coastguard Worker; FAST-LABEL: store_zeros: 87*9880d681SAndroid Build Coastguard Worker; FAST: # BB#0: 88*9880d681SAndroid Build Coastguard Worker; FAST-NEXT: movl {{[0-9]+}}(%esp), %eax 89*9880d681SAndroid Build Coastguard Worker; FAST-NOT: movl 90*9880d681SAndroid Build Coastguard Worker call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 64, i32 1, i1 false) 91*9880d681SAndroid Build Coastguard Worker ret void 92*9880d681SAndroid Build Coastguard Worker} 93*9880d681SAndroid Build Coastguard Worker 94*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) 95*9880d681SAndroid Build Coastguard Worker 96