1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 -mcpu=generic | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; Verify that we correctly lower ISD::READCYCLECOUNTER. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine i64 @test_builtin_readcyclecounter() { 8*9880d681SAndroid Build Coastguard Worker %1 = tail call i64 @llvm.readcyclecounter() 9*9880d681SAndroid Build Coastguard Worker ret i64 %1 10*9880d681SAndroid Build Coastguard Worker} 11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_builtin_readcyclecounter 12*9880d681SAndroid Build Coastguard Worker; CHECK: rdtsc 13*9880d681SAndroid Build Coastguard Worker; X86-NOT: shlq 14*9880d681SAndroid Build Coastguard Worker; X86-NOT: or 15*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mov 16*9880d681SAndroid Build Coastguard Worker; CHECK: ret 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; Verify that we correctly lower the Read Cycle Counter GCC x86 builtins 20*9880d681SAndroid Build Coastguard Worker; (i.e. RDTSC and RDTSCP). 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerdefine i64 @test_builtin_rdtsc() { 23*9880d681SAndroid Build Coastguard Worker %1 = tail call i64 @llvm.x86.rdtsc() 24*9880d681SAndroid Build Coastguard Worker ret i64 %1 25*9880d681SAndroid Build Coastguard Worker} 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_builtin_rdtsc 27*9880d681SAndroid Build Coastguard Worker; CHECK: rdtsc 28*9880d681SAndroid Build Coastguard Worker; X86-NOT: shlq 29*9880d681SAndroid Build Coastguard Worker; X86-NOT: or 30*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mov 31*9880d681SAndroid Build Coastguard Worker; CHECK: ret 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Worker 34*9880d681SAndroid Build Coastguard Workerdefine i64 @test_builtin_rdtscp(i8* %A) { 35*9880d681SAndroid Build Coastguard Worker %1 = tail call i64 @llvm.x86.rdtscp(i8* %A) 36*9880d681SAndroid Build Coastguard Worker ret i64 %1 37*9880d681SAndroid Build Coastguard Worker} 38*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_builtin_rdtscp 39*9880d681SAndroid Build Coastguard Worker; CHECK: rdtscp 40*9880d681SAndroid Build Coastguard Worker; X86-NOT: shlq 41*9880d681SAndroid Build Coastguard Worker; CHECK: movl %ecx, (%{{[a-z0-9]+}}) 42*9880d681SAndroid Build Coastguard Worker; X86-NOT: shlq 43*9880d681SAndroid Build Coastguard Worker; CHECK: ret 44*9880d681SAndroid Build Coastguard Worker 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.readcyclecounter() 47*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.x86.rdtscp(i8*) 48*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.x86.rdtsc() 49*9880d681SAndroid Build Coastguard Worker 50