1 ; RUN: llc < %s -march=x86-64 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64 2 ; RUN: llc < %s -march=x86 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86 3 4 ; Verify that we correctly lower the "Read Performance-Monitoring Counters" 5 ; x86 builtin. 6 7 8 define i64 @test_builtin_read_pmc(i32 %ID) { 9 %1 = tail call i64 @llvm.x86.rdpmc(i32 %ID) 10 ret i64 %1 11 } 12 ; CHECK-LABEL: test_builtin_read_pmc 13 ; CHECK: rdpmc 14 ; X86-NOT: shlq 15 ; X86-NOT: or 16 ; X86-64: shlq 17 ; X86-64: or 18 ; CHECK-NOT: mov 19 ; CHECK: ret 20 21 declare i64 @llvm.x86.rdpmc(i32 %ID) 22 23
