1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=generic | FileCheck %s --check-prefix=X86 3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=generic | FileCheck %s --check-prefix=X64 4 5 ; Verify that we correctly lower the "Read Performance-Monitoring Counters" 6 ; x86 builtin. 7 8 define i64 @test_builtin_read_pmc(i32 %ID) { 9 ; X86-LABEL: test_builtin_read_pmc: 10 ; X86: # %bb.0: 11 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx 12 ; X86-NEXT: rdpmc 13 ; X86-NEXT: retl 14 ; 15 ; X64-LABEL: test_builtin_read_pmc: 16 ; X64: # %bb.0: 17 ; X64-NEXT: movl %edi, %ecx 18 ; X64-NEXT: rdpmc 19 ; X64-NEXT: shlq $32, %rdx 20 ; X64-NEXT: orq %rdx, %rax 21 ; X64-NEXT: retq 22 %1 = tail call i64 @llvm.x86.rdpmc(i32 %ID) 23 ret i64 %1 24 } 25 declare i64 @llvm.x86.rdpmc(i32 %ID) 26 27
